SAFECO COMMON STOCK TRUST
NSAR-B, 1999-02-23
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<PAGE>      PAGE  1
000 B000000 12/31/98
000 C000000 867579
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 A
001 A000000 SAFECO COMMON STOCK TRUST
001 B000000 811-6167
001 C000000 4253768213
002 A000000 10865 WILLOWS ROAD NE E-2
002 B000000 REDMOND
002 C000000 WA
002 D010000 98052
003  000000 N
004  000000 N
005  000000 N
006  000000 N
007 A000000 Y
007 B000000  8
007 C010100  1
007 C020100 SAFECO GROWTH FUND
007 C030100 N
007 C010200  2
007 C020200 SAFECO INCOME FUND
007 C030200 N
007 C010300  3
007 C020300 SAFECO EQUITY FUND
007 C030300 N
007 C010400  4
007 C020400 SAFECO NORTHWEST FUND
007 C030400 N
007 C010500  5
007 C020500 SAFECO INTERNATIONAL STOCK FUND
007 C030500 N
007 C010600  6
007 C020600 SAFECO BALANCED FUND
007 C030600 N
007 C010700  7
007 C020700 SAFECO SMALL COMPANY STOCK FUND
007 C030700 N
007 C010800  8
007 C020800 SAFECO US VALUE FUND
007 C030800 N
007 C010900  9
007 C011000 10
011 A00AA01 SAFECO SECURITIES, INC.
011 B00AA01 8-13470
011 C01AA01 SEATTLE
<PAGE>      PAGE  2
011 C02AA01 WA
011 C03AA01 98185
012 A00AA01 SAFECO SERVICES CORP.
012 B00AA01 84-00138
012 C01AA01 SEATTLE
012 C02AA01 WA
012 C03AA01 98185
013 A00AA01 ERNST & YOUNG, LLP
013 B01AA01 SEATTLE
013 B02AA01 WA
013 B03AA01 98104
018  00AA00 Y
019 A00AA00 Y
019 B00AA00   25
019 C00AA00 SAFECOFUND
020 A000001 INSTINET CORP.
020 B000001 13-3443395
020 C000001    417
020 A000002 SANFORD C. BERNSTEIN & CO., INC.
020 B000002 13-2625874
020 C000002    319
020 A000003 J.C. BRADFORD & CO., INC.
020 B000003 62-0136910
020 C000003    228
020 A000004 SALOMON, SMITH BARNEY,HARRIS UPHAM & CO.,INC.
020 B000004 13-1912900
020 C000004    159
020 A000005 J.P. MORGAN, INC.
020 B000005 13-3224016
020 C000005    143
020 A000006 PAINE WEBBER, INC.
020 B000006 13-2638166
020 C000006    125
020 A000007 HANIFEN, IMHOFF, INC.
020 B000007 84-0503513
020 C000007    112
020 A000008 BUCKINGHAM RESEARCH GROUP, INC.
020 B000008 13-3134008
020 C000008    110
020 A000009 LEHMAN BROTHERS, INC.
020 B000009 13-2518466
020 C000009    107
020 A000010 COWEN & CO.
020 B000010 13-5616116
020 C000010    100
021  000000     4429
022 A000001 ASSOCIATES CORP. OF NORTH AMERICA
022 B000001 74-1494554
022 C000001  13379335
022 D000001         0
022 A000002 SSGA PRIME MONEY MARKET PORTFOLIO
<PAGE>      PAGE  3
022 B000002 91-1627438
022 C000002   1480891
022 D000002   1455310
022 A000003 LEHMAN BROTHERS, INC.
022 B000003 13-2518466
022 C000003   2733483
022 D000003     11849
022 A000004 MERRILL LYNCH,PIERCE,FENNER & SMITH, INC.
022 B000004 13-5674065
022 C000004   1660895
022 D000004       155
022 A000005 GOLDMAN SACHS & CO.
022 B000005 13-5108880
022 C000005   1139400
022 D000005     12569
022 A000006 SSGA U.S. TREASURY MONEY MARKET PORTFOLIO
022 B000006 91-1618599
022 C000006    295756
022 D000006    313300
022 A000007 HOUSEHOLD FINANCE CORP.
022 B000007 36-1239445
022 C000007    498733
022 D000007         0
022 A000008 HELLER FINANCIAL, INC.
022 B000008 36-1208070
022 C000008    111627
022 D000008         0
022 A000009 JEFFERIES & COMPANY, INC.
022 B000009 95-2622900
022 C000009     78775
022 D000009         0
022 A000010 MORGAN STANLEY & CO., INC.
022 B000010 13-2655998
022 C000010     78149
022 D000010         0
023 C000000   22471414
023 D000000    2204515
026 A000000 N
026 B000000 Y
026 C000000 N
026 D000000 Y
026 E000000 N
026 F000000 N
026 G010000 N
026 G020000 N
026 H000000 Y
027  000000 Y
037  00AA00 N
038  00AA00      0
039  00AA00 N
040  00AA00 Y
<PAGE>      PAGE  4
041  00AA00 Y
049  00AA00 N
050  00AA00 N
051  00AA00 N
052  00AA00 N
053 A00AA00 N
054 A00AA00 Y
054 B00AA00 Y
054 C00AA00 Y
054 D00AA00 N
054 E00AA00 N
054 F00AA00 Y
054 G00AA00 Y
054 H00AA00 Y
054 I00AA00 N
054 J00AA00 Y
054 K00AA00 N
054 L00AA00 Y
054 M00AA00 Y
054 N00AA00 N
054 O00AA00 Y
055 A00AA00 N
055 B00AA00 Y
056  00AA00 Y
057  00AA00 N
058 A00AA00 N
059  00AA00 Y
060 A00AA00 Y
060 B00AA00 Y
061  00AA00     1000
062 A00AA00 N
062 B00AA00   0.0
062 C00AA00   0.0
062 D00AA00   0.0
062 E00AA00   0.0
062 F00AA00   0.0
062 G00AA00   0.0
062 H00AA00   0.0
062 I00AA00   0.0
062 J00AA00   0.0
062 K00AA00   0.0
062 L00AA00   0.0
062 M00AA00   0.0
062 N00AA00   0.0
062 O00AA00   0.0
062 P00AA00   0.0
062 Q00AA00   0.0
062 R00AA00   0.0
063 A00AA00   0
063 B00AA00  0.0
077 A000000 Y
<PAGE>      PAGE  5
077 B000000 Y
077 C000000 N
077 D000000 N
077 E000000 N
077 F000000 N
077 G000000 N
077 H000000 N
077 I000000 N
077 J000000 N
077 K000000 N
077 L000000 N
077 M000000 N
077 N000000 N
077 O000000 N
077 P000000 N
077 Q010000 Y
077 Q020000 N
077 Q030000 N
078  000000 N
080 A00AA00 UNITED PACIFIC INSURANCE CO.
080 C00AA00     4000
081 A00AA00 N
081 B00AA00   0
082 A00AA00 N
082 B00AA00        0
086 A010000      0
086 A020000      0
086 B010000      0
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086 A02AA00      0
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086 B02AA00      0
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086 D02AA00      0
086 E01AA00      0
086 E02AA00      0
086 F01AA00      0
086 F02AA00      0
008 A000101 SAFECO ASSET MANAGEMENT COMPANY
008 B000101 A
<PAGE>      PAGE  6
008 C000101 801-8254
008 D010101 SEATTLE
008 D020101 WA
008 D030101 98185
015 A000101 STATE STREET BANK
015 B000101 C
015 C010101 BOSTON
015 C020101 MA
015 C030101 02105
015 C040101 1713
015 E010101 X
024  000100 N
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028 G010100    765308
028 G020100     43907
028 G030100         0
028 G040100    784978
028 H000100     15099
029  000100 Y
030 A000100    478
<PAGE>      PAGE  7
030 B000100  4.50
030 C000100  0.00
031 A000100     79
031 B000100      0
032  000100    366
033  000100     33
034  000100 Y
035  000100     22
036 A000100 N
036 B000100      0
042 A000100   0
042 B000100   0
042 C000100 100
042 D000100   0
042 E000100   0
042 F000100   0
042 G000100   0
042 H000100   0
043  000100     79
044  000100      0
045  000100 Y
046  000100 N
047  000100 Y
048  000100  0.000
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048 A020100 0.750
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048 B020100 0.650
048 C010100   250000
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048 K020100 0.450
066 A000100 Y
066 B000100 N
066 C000100 N
066 D000100 Y
066 E000100 N
<PAGE>      PAGE  8
066 F000100 N
066 G000100 N
067  000100 N
068 A000100 N
068 B000100 N
069  000100 N
070 A010100 Y
070 A020100 N
070 B010100 N
070 B020100 N
070 C010100 N
070 C020100 N
070 D010100 Y
070 D020100 N
070 E010100 N
070 E020100 N
070 F010100 N
070 F020100 N
070 G010100 N
070 G020100 N
070 H010100 N
070 H020100 N
070 I010100 N
070 I020100 N
070 J010100 Y
070 J020100 N
070 K010100 Y
070 K020100 Y
070 L010100 Y
070 L020100 Y
070 M010100 N
070 M020100 N
070 N010100 N
070 N020100 N
070 O010100 Y
070 O020100 Y
070 P010100 N
070 P020100 N
070 Q010100 N
070 Q020100 N
070 R010100 N
070 R020100 N
071 A000100   1555448
071 B000100    675787
071 C000100   1238216
071 D000100   55
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072 C000100     6085
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<PAGE>      PAGE  9
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073 A020100   0.0000
073 B000100   0.7300
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074 N000100  1478151
074 O000100        0
074 P000100        0
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074 R010100        0
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<PAGE>      PAGE  10
074 R030100        0
074 R040100    34645
074 S000100        0
074 T000100  1443506
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074 V010100    22.70
074 V020100    22.66
074 W000100   0.0000
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075 B000100  1316015
076  000100     0.00
083 A000100 N
083 B000100        0
084 A000100 N
084 B000100        0
085 A000100 Y
085 B000100 N
008 A000201 SAFECO ASSET MANAGEMENT COMPANY
008 B000201 A
008 C000201 801-8254
008 D010201 SEATTLE
008 D020201 WA
008 D030201 98185
015 A000201 STATE STREET BANK
015 B000201 C
015 C010201 BOSTON
015 C020201 MA
015 C030201 02105
015 C040201 1713
015 E010201 X
024  000200 Y
025 A000201 MERRILL LYNCH,PIERCE,FENNER & SMITH, INC.
025 B000201 13-5674085
025 C000201 E
025 D000201   15318
025 D000202       0
025 D000203       0
025 D000204       0
025 D000205       0
025 D000206       0
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028 A010200     12453
028 A020200         0
028 A030200         0
028 A040200      6965
028 B010200      7171
028 B020200         0
<PAGE>      PAGE  11
028 B030200         0
028 B040200     20976
028 C010200      5500
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028 C030200         0
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030 B000200  4.50
030 C000200  0.00
031 A000200      6
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032  000200     28
033  000200      8
034  000200 Y
035  000200      1
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042 A000200   0
042 B000200   0
042 C000200 100
042 D000200   0
042 E000200   0
042 F000200   0
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042 H000200   0
043  000200     15
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047  000200 Y
048  000200  0.000
048 A010200   100000
048 A020200 0.750
<PAGE>      PAGE  12
048 B010200   150000
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066 A000200 Y
066 B000200 N
066 C000200 N
066 D000200 N
066 E000200 Y
066 F000200 N
066 G000200 N
067  000200 N
068 A000200 N
068 B000200 N
069  000200 N
070 A010200 Y
070 A020200 N
070 B010200 N
070 B020200 N
070 C010200 N
070 C020200 N
070 D010200 Y
070 D020200 N
070 E010200 N
070 E020200 N
070 F010200 N
070 F020200 N
070 G010200 N
070 G020200 N
070 H010200 N
070 H020200 N
070 I010200 N
070 I020200 N
070 J010200 Y
070 J020200 Y
<PAGE>      PAGE  13
070 K010200 Y
070 K020200 Y
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070 N020200 N
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<PAGE>      PAGE  14
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008 A000301 SAFECO ASSET MANAGEMENT COMPANY
008 B000301 A
008 C000301 801-8254
008 D010301 SEATTLE
008 D020301 WA
008 D030301 98185
<PAGE>      PAGE  15
015 A000301 STATE STREET BANK
015 B000301 C
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015 C020301 MA
015 C030301 02105
015 C040301 1713
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<PAGE>      PAGE  16
032  000300    317
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<PAGE>      PAGE  17
068 B000300 N
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070 B020300 N
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070 C020300 N
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070 D020300 N
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070 E020300 N
070 F010300 N
070 F020300 N
070 G010300 N
070 G020300 N
070 H010300 N
070 H020300 N
070 I010300 N
070 I020300 N
070 J010300 Y
070 J020300 N
070 K010300 N
070 K020300 N
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070 L020300 Y
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<PAGE>      PAGE  18
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<PAGE>      PAGE  19
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015 A000401 STATE STREET BANK
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015 C030401 02105
015 C040401 1713
015 E010401 X
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<PAGE>      PAGE  20
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<PAGE>      PAGE  21
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066 D000400 Y
066 E000400 N
066 F000400 N
066 G000400 N
067  000400 N
068 A000400 N
068 B000400 N
069  000400 N
070 A010400 Y
070 A020400 N
070 B010400 N
070 B020400 N
070 C010400 N
070 C020400 N
070 D010400 Y
070 D020400 N
070 E010400 N
070 E020400 N
070 F010400 N
070 F020400 N
070 G010400 N
070 G020400 N
070 H010400 N
070 H020400 N
070 I010400 N
070 I020400 N
070 J010400 Y
070 J020400 N
070 K010400 Y
070 K020400 Y
070 L010400 Y
070 L020400 N
070 M010400 N
070 M020400 N
070 N010400 N
<PAGE>      PAGE  22
070 N020400 N
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070 O020400 Y
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070 P020400 N
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070 Q020400 N
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070 R020400 N
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<PAGE>      PAGE  23
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008 A000502 BANK OF IRELAND ASSET MANAGEMENT (U.S.) LTD.
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008 D010502 GREENWICH
008 D020502 CT
008 D030502 06830
015 A000501 CHASE MANHATTEN BANK, N.A.
<PAGE>      PAGE  24
015 B000501 C
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<PAGE>      PAGE  25
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066 D000500 N
066 E000500 N
066 F000500 N
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067  000500 N
<PAGE>      PAGE  26
068 A000500 N
068 B000500 Y
069  000500 N
070 A010500 Y
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070 C020500 N
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070 D020500 N
070 E010500 Y
070 E020500 N
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070 F020500 N
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070 G020500 N
070 H010500 Y
070 H020500 N
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070 I020500 N
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070 J020500 N
070 K010500 Y
070 K020500 N
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070 L020500 Y
070 M010500 Y
070 M020500 Y
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070 N020500 N
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070 O020500 Y
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070 P020500 N
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<PAGE>      PAGE  27
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<PAGE>      PAGE  28
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008 A000601 SAFECO ASSET MANAGEMENT COMPANY
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008 D010601 SEATTLE
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008 D030601 98185
015 A000601 STATE STREET BANK
015 B000601 C
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015 E010601 X
024  000600 Y
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<PAGE>      PAGE  29
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<PAGE>      PAGE  30
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070 F020600 N
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070 J020600 N
<PAGE>      PAGE  31
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<PAGE>      PAGE  32
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008 A000701 SAFECO ASSET MANAGEMENT COMPANY
008 B000701 A
008 C000701 801-8254
008 D010701 SEATTLE
008 D020701 WA
008 D030701 98185
<PAGE>      PAGE  33
015 A000701 STATE STREET BANK
015 B000701 C
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015 C030701 02105
015 C040701 1713
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<PAGE>      PAGE  34
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<PAGE>      PAGE  35
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<PAGE>      PAGE  36
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<PAGE>      PAGE  37
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008 B000801 A
008 C000801 801-8254
008 D010801 SEATTLE
008 D020801 WA
008 D030801 98185
015 A000801 STATE STREET BANK
015 B000801 C
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015 C030801 02105
015 C040801 1713
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<PAGE>      PAGE  38
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<PAGE>      PAGE  39
048 E020800 0.000
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066 A000800 Y
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066 C000800 N
066 D000800 N
066 E000800 Y
066 F000800 N
066 G000800 N
067  000800 N
068 A000800 N
068 B000800 N
069  000800 N
070 A010800 Y
070 A020800 N
070 B010800 N
070 B020800 N
070 C010800 N
070 C020800 N
070 D010800 Y
070 D020800 N
070 E010800 N
070 E020800 N
070 F010800 N
070 F020800 N
070 G010800 N
070 G020800 N
070 H010800 N
070 H020800 N
070 I010800 N
070 I020800 N
070 J010800 Y
070 J020800 N
070 K010800 Y
070 K020800 Y
070 L010800 Y
070 L020800 N
070 M010800 N
070 M020800 N
070 N010800 N
<PAGE>      PAGE  40
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070 O010800 Y
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070 Q020800 N
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072DD020800        1
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<PAGE>      PAGE  41
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083 A000800 N
083 B000800        0
084 A000800 N
084 B000800        0
085 A000800 Y
085 B000800 N
SIGNATURE   DAVID F. HILL                                
TITLE       PRESIDENT           
 

WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
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   <NAME> SAFECO GROWTH FUND NO-LOAD CLASS
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<S>                             <C>
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 1
   <NAME> SAFECO GROWTH FUND CLASS A
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<S>                             <C>
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 1
   <NAME> SAFECO GROWTH FUND CLASS B
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<S>                             <C>
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
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   <NUMBER> 2
   <NAME> SAFECO INCOME FUND NO-LOAD CLASS
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<S>                             <C>
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 2
   <NAME> SAFECO INCOME FUND CLASS A
<MULTIPLIER> 1,000
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<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
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<NUMBER-OF-SHARES-REDEEMED>                      (14)
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<EXPENSE-RATIO>                                 1.34
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</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 2
   <NAME> SAFECO INCOME FUND CLASS B
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<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
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<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                          2,747
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                3,613
<AVERAGE-NET-ASSETS>                           1,512
<PER-SHARE-NAV-BEGIN>                          23.95
<PER-SHARE-NII>                                 0.30
<PER-SHARE-GAIN-APPREC>                         0.90
<PER-SHARE-DIVIDEND>                           (0.30)
<PER-SHARE-DISTRIBUTIONS>                      (1.28)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            23.57
<EXPENSE-RATIO>                                 2.08
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 3
   <NAME> SAFECO EQUITY FUND NO-LOAD CLASS
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                      1,454,198
<INVESTMENTS-AT-VALUE>                     2,078,977
<RECEIVABLES>                                 31,781
<ASSETS-OTHER>                                     1
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                             2,110,759
<PAYABLE-FOR-SECURITIES>                       9,066
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                      9,230
<TOTAL-LIABILITIES>                           18,296
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                   1,467,684
<SHARES-COMMON-STOCK>                         87,101
<SHARES-COMMON-PRIOR>                         76,277
<ACCUMULATED-NII-CURRENT>                     17,446
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                       79,369
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                     624,779
<NET-ASSETS>                               2,024,877
<DIVIDEND-INCOME>                             27,732
<INTEREST-INCOME>                              2,978
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                              13,264
<NET-INVESTMENT-INCOME>                       17,446
<REALIZED-GAINS-CURRENT>                      79,369
<APPREC-INCREASE-CURRENT>                    295,679
<NET-CHANGE-FROM-OPS>                        392,494
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                    (17,149)
<DISTRIBUTIONS-OF-GAINS>                     (76,799)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                       29,980
<NUMBER-OF-SHARES-REDEEMED>                  (23,017)
<SHARES-REINVESTED>                            3,861
<NET-CHANGE-IN-ASSETS>                       591,453
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                          8,913
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                               13,264
<AVERAGE-NET-ASSETS>                       1,727,436
<PER-SHARE-NAV-BEGIN>                          19.54
<PER-SHARE-NII>                                 0.21
<PER-SHARE-GAIN-APPREC>                         4.64
<PER-SHARE-DIVIDEND>                           (0.21)
<PER-SHARE-DISTRIBUTIONS>                      (0.93)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            23.25
<EXPENSE-RATIO>                                 0.74
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 3
   <NAME> SAFECO EQUITY FUND CLASS A
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                      1,454,198
<INVESTMENTS-AT-VALUE>                     2,078,977
<RECEIVABLES>                                 31,781
<ASSETS-OTHER>                                     1
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                             2,110,759
<PAYABLE-FOR-SECURITIES>                       9,066
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                      9,230
<TOTAL-LIABILITIES>                           18,296
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                   1,467,684
<SHARES-COMMON-STOCK>                          2,164
<SHARES-COMMON-PRIOR>                            371
<ACCUMULATED-NII-CURRENT>                     17,446
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                       79,369
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                     624,779
<NET-ASSETS>                                  50,354
<DIVIDEND-INCOME>                             27,732
<INTEREST-INCOME>                              2,978
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                              13,264
<NET-INVESTMENT-INCOME>                       17,446
<REALIZED-GAINS-CURRENT>                      79,369
<APPREC-INCREASE-CURRENT>                    295,679
<NET-CHANGE-FROM-OPS>                        392,494
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                       (343)
<DISTRIBUTIONS-OF-GAINS>                      (1,908)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                        2,002
<NUMBER-OF-SHARES-REDEEMED>                     (306)
<SHARES-REINVESTED>                               97
<NET-CHANGE-IN-ASSETS>                       591,453
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                          8,913
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                               13,264
<AVERAGE-NET-ASSETS>                          38,629
<PER-SHARE-NAV-BEGIN>                          19.55
<PER-SHARE-NII>                                 0.18
<PER-SHARE-GAIN-APPREC>                         4.65
<PER-SHARE-DIVIDEND>                           (0.18)
<PER-SHARE-DISTRIBUTIONS>                      (0.93)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            23.27
<EXPENSE-RATIO>                                 0.88
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 3
   <NAME> SAFECO EQUITY FUND CLASS B
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                      1,454,198
<INVESTMENTS-AT-VALUE>                     2,078,977
<RECEIVABLES>                                 31,781
<ASSETS-OTHER>                                     1
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                             2,110,759
<PAYABLE-FOR-SECURITIES>                       9,066
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                      9,230
<TOTAL-LIABILITIES>                           18,296
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                   1,467,684
<SHARES-COMMON-STOCK>                            744
<SHARES-COMMON-PRIOR>                            182
<ACCUMULATED-NII-CURRENT>                     17,446
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                       79,369
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                     624,779
<NET-ASSETS>                                  17,232
<DIVIDEND-INCOME>                             27,732
<INTEREST-INCOME>                              2,978
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                              13,264
<NET-INVESTMENT-INCOME>                       17,446
<REALIZED-GAINS-CURRENT>                      79,369
<APPREC-INCREASE-CURRENT>                    295,679
<NET-CHANGE-FROM-OPS>                        392,494
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                        (656)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                          604
<NUMBER-OF-SHARES-REDEEMED>                      (70)
<SHARES-REINVESTED>                               28
<NET-CHANGE-IN-ASSETS>                       591,453
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                          8,913
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                               13,264
<AVERAGE-NET-ASSETS>                           9,771
<PER-SHARE-NAV-BEGIN>                          19.55
<PER-SHARE-NII>                                (0.03)
<PER-SHARE-GAIN-APPREC>                         4.56
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                      (0.93)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            23.15
<EXPENSE-RATIO>                                 1.94
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 4
   <NAME> SAFECO NORTHWEST FUND NO-LOAD CLASS
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         47,257
<INVESTMENTS-AT-VALUE>                        68,102
<RECEIVABLES>                                  1,037
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                69,139
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        734
<TOTAL-LIABILITIES>                              734
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      47,560
<SHARES-COMMON-STOCK>                          3,587
<SHARES-COMMON-PRIOR>                          3,734
<ACCUMULATED-NII-CURRENT>                       (373)
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                        1,091
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                      20,845
<NET-ASSETS>                                  63,594
<DIVIDEND-INCOME>                                366
<INTEREST-INCOME>                                 63
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 802
<NET-INVESTMENT-INCOME>                         (373)
<REALIZED-GAINS-CURRENT>                       1,091
<APPREC-INCREASE-CURRENT>                      1,410
<NET-CHANGE-FROM-OPS>                          2,128
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                        (658)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                          987
<NUMBER-OF-SHARES-REDEEMED>                   (1,165)
<SHARES-REINVESTED>                               31
<NET-CHANGE-IN-ASSETS>                         1,212
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            519
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  802
<AVERAGE-NET-ASSETS>                          64,726
<PER-SHARE-NAV-BEGIN>                          17.31
<PER-SHARE-NII>                                (0.09)
<PER-SHARE-GAIN-APPREC>                         0.70
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                      (0.19)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            17.73
<EXPENSE-RATIO>                                 1.12
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 4
   <NAME> SAFECO NORTHWEST FUND CLASS A
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         47,257
<INVESTMENTS-AT-VALUE>                        68,102
<RECEIVABLES>                                  1,037
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                69,139
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        734
<TOTAL-LIABILITIES>                              734
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      47,560
<SHARES-COMMON-STOCK>                            126
<SHARES-COMMON-PRIOR>                             79
<ACCUMULATED-NII-CURRENT>                       (373)
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                        1,091
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                      20,845
<NET-ASSETS>                                   2,208
<DIVIDEND-INCOME>                                366
<INTEREST-INCOME>                                 63
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 802
<NET-INVESTMENT-INCOME>                         (373)
<REALIZED-GAINS-CURRENT>                       1,091
<APPREC-INCREASE-CURRENT>                      1,410
<NET-CHANGE-FROM-OPS>                          2,128
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                         (23)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                           77
<NUMBER-OF-SHARES-REDEEMED>                      (31)
<SHARES-REINVESTED>                                2
<NET-CHANGE-IN-ASSETS>                         1,212
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            519
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  802
<AVERAGE-NET-ASSETS>                           1,856
<PER-SHARE-NAV-BEGIN>                          17.25
<PER-SHARE-NII>                                (0.16)
<PER-SHARE-GAIN-APPREC>                         0.66
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                      (0.19)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            17.56
<EXPENSE-RATIO>                                 1.70
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 4
   <NAME> SAFECO NORTHWEST FUND CLASS B
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         47,257
<INVESTMENTS-AT-VALUE>                        68,102
<RECEIVABLES>                                  1,037
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                69,139
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        734
<TOTAL-LIABILITIES>                              734
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      47,560
<SHARES-COMMON-STOCK>                            150
<SHARES-COMMON-PRIOR>                             70
<ACCUMULATED-NII-CURRENT>                       (373)
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                        1,091
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                      20,845
<NET-ASSETS>                                   2,603
<DIVIDEND-INCOME>                                366
<INTEREST-INCOME>                                 63
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 802
<NET-INVESTMENT-INCOME>                         (373)
<REALIZED-GAINS-CURRENT>                       1,091
<APPREC-INCREASE-CURRENT>                      1,410
<NET-CHANGE-FROM-OPS>                          2,128
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                         (28)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                          106
<NUMBER-OF-SHARES-REDEEMED>                      (28)
<SHARES-REINVESTED>                                1
<NET-CHANGE-IN-ASSETS>                         1,212
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            519
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  802
<AVERAGE-NET-ASSETS>                           2,122
<PER-SHARE-NAV-BEGIN>                          17.09
<PER-SHARE-NII>                                (0.23)
<PER-SHARE-GAIN-APPREC>                         0.64
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                      (0.19)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            17.31
<EXPENSE-RATIO>                                 2.30
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 5
   <NAME> SAFECO INTERNATIONAL FUND NO-LOAD CLASS
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         14,431
<INVESTMENTS-AT-VALUE>                        19,099
<RECEIVABLES>                                  3,589
<ASSETS-OTHER>                                 1,186
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                23,874
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        357
<TOTAL-LIABILITIES>                              357
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      19,694
<SHARES-COMMON-STOCK>                          1,682
<SHARES-COMMON-PRIOR>                          1,283
<ACCUMULATED-NII-CURRENT>                         14
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                         (910)
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       4,589
<NET-ASSETS>                                  22,111
<DIVIDEND-INCOME>                                289
<INTEREST-INCOME>                                 23
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 298
<NET-INVESTMENT-INCOME>                           14
<REALIZED-GAINS-CURRENT>                        (910)
<APPREC-INCREASE-CURRENT>                      3,209
<NET-CHANGE-FROM-OPS>                          2,313
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                           0
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                        2,000
<NUMBER-OF-SHARES-REDEEMED>                   (1,600)
<SHARES-REINVESTED>                                0
<NET-CHANGE-IN-ASSETS>                         8,137
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                          (55)
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            197
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  328
<AVERAGE-NET-ASSETS>                          16,721
<PER-SHARE-NAV-BEGIN>                          11.50
<PER-SHARE-NII>                                 0.01
<PER-SHARE-GAIN-APPREC>                         1.63
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                       0.00
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            13.14
<EXPENSE-RATIO>                                 1.62
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 5
   <NAME> SAFECO INTERNATIONAL FUND CLASS A
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         14,431
<INVESTMENTS-AT-VALUE>                        19,099
<RECEIVABLES>                                  3,589
<ASSETS-OTHER>                                 1,186
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                23,874
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        357
<TOTAL-LIABILITIES>                              357
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      19,694
<SHARES-COMMON-STOCK>                             48
<SHARES-COMMON-PRIOR>                             25
<ACCUMULATED-NII-CURRENT>                         14
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                         (910)
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       4,589
<NET-ASSETS>                                     629
<DIVIDEND-INCOME>                                289
<INTEREST-INCOME>                                 23
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 298
<NET-INVESTMENT-INCOME>                           14
<REALIZED-GAINS-CURRENT>                        (910)
<APPREC-INCREASE-CURRENT>                      3,209
<NET-CHANGE-FROM-OPS>                          2,313
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                           0
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                           28
<NUMBER-OF-SHARES-REDEEMED>                       (6)
<SHARES-REINVESTED>                                0
<NET-CHANGE-IN-ASSETS>                         8,137
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                          (55)
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            197
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  328
<AVERAGE-NET-ASSETS>                             419
<PER-SHARE-NAV-BEGIN>                          11.55
<PER-SHARE-NII>                                (0.02)
<PER-SHARE-GAIN-APPREC>                         1.60
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                       0.00
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            13.13
<EXPENSE-RATIO>                                 2.14
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 5
   <NAME> SAFECO INTERNATIONAL FUND CLASS B
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         14,431
<INVESTMENTS-AT-VALUE>                        19,099
<RECEIVABLES>                                  3,589
<ASSETS-OTHER>                                 1,186
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                23,874
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        357
<TOTAL-LIABILITIES>                              357
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      19,694
<SHARES-COMMON-STOCK>                             60
<SHARES-COMMON-PRIOR>                             29
<ACCUMULATED-NII-CURRENT>                         14
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                         (910)
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       4,589
<NET-ASSETS>                                     777
<DIVIDEND-INCOME>                                289
<INTEREST-INCOME>                                 23
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 298
<NET-INVESTMENT-INCOME>                           14
<REALIZED-GAINS-CURRENT>                        (910)
<APPREC-INCREASE-CURRENT>                      3,209
<NET-CHANGE-FROM-OPS>                          2,313
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                           0
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                           40
<NUMBER-OF-SHARES-REDEEMED>                       (9)
<SHARES-REINVESTED>                                0
<NET-CHANGE-IN-ASSETS>                         8,137
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                          (55)
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            197
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  328
<AVERAGE-NET-ASSETS>                             569
<PER-SHARE-NAV-BEGIN>                          11.53
<PER-SHARE-NII>                                (0.11)
<PER-SHARE-GAIN-APPREC>                         1.57
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                       0.00
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            12.99
<EXPENSE-RATIO>                                 3.02
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 6
   <NAME> SAFECO BALANCED FUND NO-LOAD CLASS
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         20,337
<INVESTMENTS-AT-VALUE>                        22,277
<RECEIVABLES>                                    164
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                22,441
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        355
<TOTAL-LIABILITIES>                              355
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      20,146
<SHARES-COMMON-STOCK>                          1,566
<SHARES-COMMON-PRIOR>                          1,177
<ACCUMULATED-NII-CURRENT>                        505
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                          890
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       1,940
<NET-ASSETS>                                  19,137
<DIVIDEND-INCOME>                                247
<INTEREST-INCOME>                                497
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 239
<NET-INVESTMENT-INCOME>                          505
<REALIZED-GAINS-CURRENT>                         890
<APPREC-INCREASE-CURRENT>                        679
<NET-CHANGE-FROM-OPS>                          2,074
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                       (476)
<DISTRIBUTIONS-OF-GAINS>                        (771)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                        1,183
<NUMBER-OF-SHARES-REDEEMED>                     (860)
<SHARES-REINVESTED>                               66
<NET-CHANGE-IN-ASSETS>                         7,883
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            144
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  239
<AVERAGE-NET-ASSETS>                          17,430
<PER-SHARE-NAV-BEGIN>                          11.61
<PER-SHARE-NII>                                 0.32
<PER-SHARE-GAIN-APPREC>                         1.12
<PER-SHARE-DIVIDEND>                           (0.32)
<PER-SHARE-DISTRIBUTIONS>                      (0.51)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            12.22
<EXPENSE-RATIO>                                 1.17
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 6
   <NAME> SAFECO BALANCED FUND CLASS A
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         20,337
<INVESTMENTS-AT-VALUE>                        22,277
<RECEIVABLES>                                    164
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                22,441
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        355
<TOTAL-LIABILITIES>                              355
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      20,146
<SHARES-COMMON-STOCK>                             73
<SHARES-COMMON-PRIOR>                             18
<ACCUMULATED-NII-CURRENT>                        505
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                          890
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       1,940
<NET-ASSETS>                                     893
<DIVIDEND-INCOME>                                247
<INTEREST-INCOME>                                497
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 239
<NET-INVESTMENT-INCOME>                          505
<REALIZED-GAINS-CURRENT>                         890
<APPREC-INCREASE-CURRENT>                        679
<NET-CHANGE-FROM-OPS>                          2,074
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                        (12)
<DISTRIBUTIONS-OF-GAINS>                         (36)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                           72
<NUMBER-OF-SHARES-REDEEMED>                      (20)
<SHARES-REINVESTED>                                3
<NET-CHANGE-IN-ASSETS>                         7,883
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            144
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  239
<AVERAGE-NET-ASSETS>                             571
<PER-SHARE-NAV-BEGIN>                          11.60
<PER-SHARE-NII>                                 0.25
<PER-SHARE-GAIN-APPREC>                         1.14
<PER-SHARE-DIVIDEND>                           (0.25)
<PER-SHARE-DISTRIBUTIONS>                      (0.51)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            12.23
<EXPENSE-RATIO>                                 1.67
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 6
   <NAME> SAFECO BALANCED FUND CLASS B
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         20,337
<INVESTMENTS-AT-VALUE>                        22,277
<RECEIVABLES>                                    164
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                22,441
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        355
<TOTAL-LIABILITIES>                              355
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      20,146
<SHARES-COMMON-STOCK>                            168
<SHARES-COMMON-PRIOR>                             29
<ACCUMULATED-NII-CURRENT>                        505
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                          890
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       1,940
<NET-ASSETS>                                   2,056
<DIVIDEND-INCOME>                                247
<INTEREST-INCOME>                                497
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 239
<NET-INVESTMENT-INCOME>                          505
<REALIZED-GAINS-CURRENT>                         890
<APPREC-INCREASE-CURRENT>                        679
<NET-CHANGE-FROM-OPS>                          2,074
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                        (16)
<DISTRIBUTIONS-OF-GAINS>                         (83)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                          148
<NUMBER-OF-SHARES-REDEEMED>                      (16)
<SHARES-REINVESTED>                                7
<NET-CHANGE-IN-ASSETS>                         7,883
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            144
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  239
<AVERAGE-NET-ASSETS>                           1,027
<PER-SHARE-NAV-BEGIN>                          11.60
<PER-SHARE-NII>                                 0.15
<PER-SHARE-GAIN-APPREC>                         1.15
<PER-SHARE-DIVIDEND>                           (0.15)
<PER-SHARE-DISTRIBUTIONS>                      (0.51)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            12.24
<EXPENSE-RATIO>                                 2.34
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 7
   <NAME> SAFECO SMALL COMPANY FUND NO-LOAD CLASS
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         38,166
<INVESTMENTS-AT-VALUE>                        32,918
<RECEIVABLES>                                  6,008
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                38,926
<PAYABLE-FOR-SECURITIES>                         384
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                      1,126
<TOTAL-LIABILITIES>                            1,510
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      46,836
<SHARES-COMMON-STOCK>                          3,150
<SHARES-COMMON-PRIOR>                          1,592
<ACCUMULATED-NII-CURRENT>                       (220)
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                       (4,172)
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                      (5,248)
<NET-ASSETS>                                  35,162
<DIVIDEND-INCOME>                                142
<INTEREST-INCOME>                                189
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 551
<NET-INVESTMENT-INCOME>                         (220)
<REALIZED-GAINS-CURRENT>                      (4,172)
<APPREC-INCREASE-CURRENT>                     (9,513)
<NET-CHANGE-FROM-OPS>                        (13,905)
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                           0
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                        9,098
<NUMBER-OF-SHARES-REDEEMED>                   (7,540)
<SHARES-REINVESTED>                                0
<NET-CHANGE-IN-ASSETS>                        14,091
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            360
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  551
<AVERAGE-NET-ASSETS>                          40,397
<PER-SHARE-NAV-BEGIN>                          14.23
<PER-SHARE-NII>                                (0.06)
<PER-SHARE-GAIN-APPREC>                        (3.01)
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                       0.00
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            11.16
<EXPENSE-RATIO>                                 1.28
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 7
   <NAME> SAFECO SMALL COMPANY FUND CLASS A
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         38,166
<INVESTMENTS-AT-VALUE>                        32,918
<RECEIVABLES>                                  6,008
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                38,926
<PAYABLE-FOR-SECURITIES>                         384
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                      1,126
<TOTAL-LIABILITIES>                            1,510
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      46,836
<SHARES-COMMON-STOCK>                            110
<SHARES-COMMON-PRIOR>                             19
<ACCUMULATED-NII-CURRENT>                       (220)
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                       (4,172)
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                      (5,248)
<NET-ASSETS>                                   1,220
<DIVIDEND-INCOME>                                142
<INTEREST-INCOME>                                189
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 551
<NET-INVESTMENT-INCOME>                         (220)
<REALIZED-GAINS-CURRENT>                      (4,172)
<APPREC-INCREASE-CURRENT>                     (9,513)
<NET-CHANGE-FROM-OPS>                        (13,905)
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                           0
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                          108
<NUMBER-OF-SHARES-REDEEMED>                      (16)
<SHARES-REINVESTED>                                0
<NET-CHANGE-IN-ASSETS>                        14,091
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            360
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  551
<AVERAGE-NET-ASSETS>                             889
<PER-SHARE-NAV-BEGIN>                          14.21
<PER-SHARE-NII>                                (0.08)
<PER-SHARE-GAIN-APPREC>                        (3.04)
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                       0.00
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            11.09
<EXPENSE-RATIO>                                 1.66
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 7
   <NAME> SAFECO SMALL COMPANY FUND CLASS B
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                         38,166
<INVESTMENTS-AT-VALUE>                        32,918
<RECEIVABLES>                                  6,008
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                38,926
<PAYABLE-FOR-SECURITIES>                         384
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                      1,126
<TOTAL-LIABILITIES>                            1,510
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                      46,836
<SHARES-COMMON-STOCK>                             96
<SHARES-COMMON-PRIOR>                             28
<ACCUMULATED-NII-CURRENT>                       (220)
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                       (4,172)
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                      (5,248)
<NET-ASSETS>                                   1,034
<DIVIDEND-INCOME>                                142
<INTEREST-INCOME>                                189
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 551
<NET-INVESTMENT-INCOME>                         (220)
<REALIZED-GAINS-CURRENT>                      (4,172)
<APPREC-INCREASE-CURRENT>                     (9,513)
<NET-CHANGE-FROM-OPS>                        (13,905)
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                           0
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                           87
<NUMBER-OF-SHARES-REDEEMED>                      (20)
<SHARES-REINVESTED>                                0
<NET-CHANGE-IN-ASSETS>                        14,091
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                            360
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  551
<AVERAGE-NET-ASSETS>                             755
<PER-SHARE-NAV-BEGIN>                          14.07
<PER-SHARE-NII>                                (0.15)
<PER-SHARE-GAIN-APPREC>                        (3.04)
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                       0.00
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            10.88
<EXPENSE-RATIO>                                 2.64
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 8
   <NAME> SAFECO US VALUE FUND NO-LOAD CLASS
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                          9,880
<INVESTMENTS-AT-VALUE>                        11,139
<RECEIVABLES>                                     37
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                11,176
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        324
<TOTAL-LIABILITIES>                              324
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                       9,593
<SHARES-COMMON-STOCK>                            838
<SHARES-COMMON-PRIOR>                            810
<ACCUMULATED-NII-CURRENT>                        102
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                          464
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       1,259
<NET-ASSETS>                                  10,014
<DIVIDEND-INCOME>                                219
<INTEREST-INCOME>                                 13
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 130
<NET-INVESTMENT-INCOME>                          102
<REALIZED-GAINS-CURRENT>                         464
<APPREC-INCREASE-CURRENT>                        598
<NET-CHANGE-FROM-OPS>                          1,164
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                       (102)
<DISTRIBUTIONS-OF-GAINS>                        (428)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                          225
<NUMBER-OF-SHARES-REDEEMED>                     (215)
<SHARES-REINVESTED>                               17
<NET-CHANGE-IN-ASSETS>                         1,435
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                             78
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  130
<AVERAGE-NET-ASSETS>                           9,704
<PER-SHARE-NAV-BEGIN>                          11.19
<PER-SHARE-NII>                                 0.12
<PER-SHARE-GAIN-APPREC>                         1.28
<PER-SHARE-DIVIDEND>                           (0.12)
<PER-SHARE-DISTRIBUTIONS>                      (0.52)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            11.95
<EXPENSE-RATIO>                                 1.19
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 8
   <NAME> SAFECO US VALUE FUND CLASS A
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                          9,880
<INVESTMENTS-AT-VALUE>                        11,139
<RECEIVABLES>                                     37
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                11,176
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        324
<TOTAL-LIABILITIES>                              324
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                       9,593
<SHARES-COMMON-STOCK>                             17
<SHARES-COMMON-PRIOR>                             12
<ACCUMULATED-NII-CURRENT>                        102
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                          464
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       1,259
<NET-ASSETS>                                     210
<DIVIDEND-INCOME>                                219
<INTEREST-INCOME>                                 13
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 130
<NET-INVESTMENT-INCOME>                          102
<REALIZED-GAINS-CURRENT>                         464
<APPREC-INCREASE-CURRENT>                        598
<NET-CHANGE-FROM-OPS>                          1,164
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                         (1)
<DISTRIBUTIONS-OF-GAINS>                          (9)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                            7
<NUMBER-OF-SHARES-REDEEMED>                       (1)
<SHARES-REINVESTED>                                0
<NET-CHANGE-IN-ASSETS>                         1,435
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                             78
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  130
<AVERAGE-NET-ASSETS>                             166
<PER-SHARE-NAV-BEGIN>                          11.18
<PER-SHARE-NII>                                 0.05
<PER-SHARE-GAIN-APPREC>                         1.27
<PER-SHARE-DIVIDEND>                           (0.05)
<PER-SHARE-DISTRIBUTIONS>                      (0.52)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            11.93
<EXPENSE-RATIO>                                 2.07
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>
WARNING: THE EDGAR SYSTEM ENCOUNTERED ERROR(S) WHILE PROCESSING THIS SCHEDULE.

<TABLE> <S> <C>

<ARTICLE> 6
<CIK> 0000867579
<NAME> SAFECO COMMON STOCK TRUST
<SERIES>
   <NUMBER> 8
   <NAME> SAFECO US VALUE FUND CLASS B
<MULTIPLIER> 1,000
<CURRENCY> U.S. DOLLARS
       
<S>                             <C>
<PERIOD-TYPE>                   ANNUAL
<FISCAL-YEAR-END>                         DEC-31-1998
<PERIOD-START>                            JAN-01-1998
<PERIOD-END>                              DEC-31-1998
<EXCHANGE-RATE>                                    1
<INVESTMENTS-AT-COST>                          9,880
<INVESTMENTS-AT-VALUE>                        11,139
<RECEIVABLES>                                     37
<ASSETS-OTHER>                                     0
<OTHER-ITEMS-ASSETS>                               0
<TOTAL-ASSETS>                                11,176
<PAYABLE-FOR-SECURITIES>                           0
<SENIOR-LONG-TERM-DEBT>                            0
<OTHER-ITEMS-LIABILITIES>                        324
<TOTAL-LIABILITIES>                              324
<SENIOR-EQUITY>                                    0
<PAID-IN-CAPITAL-COMMON>                       9,593
<SHARES-COMMON-STOCK>                             53
<SHARES-COMMON-PRIOR>                             20
<ACCUMULATED-NII-CURRENT>                        102
<OVERDISTRIBUTION-NII>                             0
<ACCUMULATED-NET-GAINS>                          464
<OVERDISTRIBUTION-GAINS>                           0
<ACCUM-APPREC-OR-DEPREC>                       1,259
<NET-ASSETS>                                     628
<DIVIDEND-INCOME>                                219
<INTEREST-INCOME>                                 13
<OTHER-INCOME>                                     0
<EXPENSES-TOTAL>                                 130
<NET-INVESTMENT-INCOME>                          102
<REALIZED-GAINS-CURRENT>                         464
<APPREC-INCREASE-CURRENT>                        598
<NET-CHANGE-FROM-OPS>                          1,164
<EQUALIZATION>                                     0
<DISTRIBUTIONS-OF-INCOME>                          0
<DISTRIBUTIONS-OF-GAINS>                         (27)
<DISTRIBUTIONS-OTHER>                              0
<NUMBER-OF-SHARES-SOLD>                           34
<NUMBER-OF-SHARES-REDEEMED>                       (3)
<SHARES-REINVESTED>                                2
<NET-CHANGE-IN-ASSETS>                         1,435
<ACCUMULATED-NII-PRIOR>                            0
<ACCUMULATED-GAINS-PRIOR>                          0
<OVERDISTRIB-NII-PRIOR>                            0
<OVERDIST-NET-GAINS-PRIOR>                         0
<GROSS-ADVISORY-FEES>                             78
<INTEREST-EXPENSE>                                 0
<GROSS-EXPENSE>                                  130
<AVERAGE-NET-ASSETS>                             437
<PER-SHARE-NAV-BEGIN>                          11.18
<PER-SHARE-NII>                                (0.03)
<PER-SHARE-GAIN-APPREC>                         1.28
<PER-SHARE-DIVIDEND>                            0.00
<PER-SHARE-DISTRIBUTIONS>                      (0.52)
<RETURNS-OF-CAPITAL>                               0
<PER-SHARE-NAV-END>                            11.91
<EXPENSE-RATIO>                                 2.59
<AVG-DEBT-OUTSTANDING>                             0
<AVG-DEBT-PER-SHARE>                            0.00
        


</TABLE>

Report of Ernst & Young LLP, Independent Auditors

To  the  Board  of Trustees and Shareholders of  the  SAFECO
Common Stock Trust

      We  have audited the accompanying statements of assets
and liabilities, including the portfolios of investments  in
securities,  of  the SAFECO Common Stock Trust  (comprising,
respectively,  the SAFECO Growth Fund, SAFECO  Equity  Fund,
SAFECO   Income   Fund,   SAFECO  Northwest   Fund,   SAFECO
International Stock Fund, SAFECO Balanced Fund, SAFECO Small
Company  Stock  Fund,  and SAFECO U.S.  Value  Fund)  as  of
December 31, 1998, and the related statements of operations,
the  statements of changes in net assets, and the  financial
highlights for each of the periods indicated therein.  These
financial  statements  and  financial  highlights  are   the
responsibility    of    the   Trust's    management.     Our
responsibility  is to express an opinion on these  financial
statements and financial highlights based on our audits.

      We  conducted our audits in accordance with  generally
accepted  auditing standards.  Those standards require  that
we plan and perform the audit to obtain reasonable assurance
about   whether  the  financial  statements  and   financial
highlights  are  free  of material misstatement.   An  audit
includes examining, on a test basis, evidence supporting the
amounts  and  disclosures  in the financial  statements  and
financial  highlights.  Our procedures included confirmation
of   securities   owned  as  of  December   31,   1998,   by
correspondence  with the custodians and brokers.   An  audit
also  includes assessing the accounting principles used  and
significant  estimates  made  by  management,  as  well   as
evaluating the overall financial statement presentation.  We
believe  that our audits provide a reasonable basis for  our
opinion.

      In our opinion, the financial statements and financial
highlights referred to above present fairly, in all material
respects,  the financial position of each of the  respective
funds constituting the SAFECO Common Stock Trust at December
31,  1998,  the results of their operations, the changes  in
their  net assets, and financial highlights for each of  the
periods  indicated  therein, in  conformity  with  generally
accepted accounting principles.


Seattle, Washington
February 5, 1999



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