<PAGE> PAGE 1
000 B000000 03/31/99
000 C000000 0000762855
000 D000000 N
000 E000000 NF
000 F000000 Y
000 G000000 N
000 H000000 N
000 I000000 3.0
000 J000000 U
001 A000000 DREYFUS CALIFORNIA TAX EXEMPT MONEY MARKET FD
001 B000000 811-4216
001 C000000 2129226807
002 A000000 200 PARK AVENUE
002 B000000 NEW YORK
002 C000000 NY
002 D010000 10166
003 000000 N
004 000000 N
005 000000 N
006 000000 N
007 A000000 N
007 B000000 0
018 000000 Y
019 A000000 Y
019 B000000 161
019 C000000 DREYFUSFAM
020 C000001 0
020 C000002 0
020 C000003 0
020 C000004 0
020 C000005 0
020 C000006 0
020 C000007 0
020 C000008 0
020 C000009 0
020 C000010 0
021 000000 0
022 A000001 GOLDMAN, SACHS & CO.
022 B000001 13-5108880
022 C000001 86850
022 D000001 43150
022 A000002 J.P MORGAN SECURITIES INC.
022 B000002 13-3224016
022 C000002 55287
022 D000002 39250
022 A000003 BEAR, STEARNS & CO. INC.
022 B000003 13-3299429
022 C000003 48709
022 D000003 37500
022 A000004 LEHMAN BROTHERS INC.
022 B000004 13-2518466
<PAGE> PAGE 2
022 C000004 35905
022 D000004 33905
022 A000005 SALOMON SMITH BARNEY INC.
022 B000005 13-1912900
022 C000005 43787
022 D000005 25070
022 A000006 JOHN NUVEEN & CO. INCORPORATED
022 B000006 36-2639476
022 C000006 38250
022 D000006 19150
022 A000007 PAINEWEBBER INCORPORATED
022 B000007 13-2638166
022 C000007 17500
022 D000007 29700
022 A000008 BT ALEX BROWN SECURITIES CORPORATION
022 B000008 13-3131014
022 C000008 16105
022 D000008 30738
022 A000009 NEWMAN & ASSOCIATES. INC.
022 B000009 84-0775574
022 C000009 38491
022 D000009 6325
022 A000010 MORGAN STANLEY DEAN WITTER & CO.
022 B000010 13-2655998
022 C000010 33068
022 D000010 0
023 C000000 505315
023 D000000 321778
028 A010000 30017
028 A020000 271
028 A030000 0
028 A040000 30028
028 B010000 28601
028 B020000 263
028 B030000 0
028 B040000 19193
028 C010000 33752
028 C020000 295
028 C030000 0
028 C040000 35065
028 D010000 25608
028 D020000 276
028 D030000 0
028 D040000 27993
028 E010000 28040
028 E020000 198
028 E030000 0
028 E040000 33434
028 F010000 33121
028 F020000 238
028 F030000 0
<PAGE> PAGE 3
028 F040000 36046
028 G010000 179139
028 G020000 1541
028 G030000 0
028 G040000 181759
028 H000000 0
029 000000 N
030 A000000 0
030 B000000 0.00
030 C000000 0.00
031 A000000 0
031 B000000 0
032 000000 0
033 000000 0
034 000000 N
035 000000 0
036 B000000 0
037 000000 N
038 000000 0
039 000000 N
040 000000 N
042 A000000 0
042 B000000 0
042 C000000 0
042 D000000 0
042 E000000 0
042 F000000 0
042 G000000 0
042 H000000 0
043 000000 0
044 000000 0
058 A000000 N
059 000000 Y
060 A000000 Y
060 B000000 Y
061 000000 2500
062 A000000 Y
062 B000000 0.0
062 C000000 0.0
062 D000000 0.0
062 E000000 98.3
062 F000000 0.0
062 G000000 0.0
062 H000000 0.0
062 I000000 0.0
062 J000000 0.0
062 K000000 0.0
062 L000000 0.0
062 M000000 0.0
062 N000000 0.0
062 O000000 0.0
<PAGE> PAGE 4
062 P000000 0.0
062 Q000000 0.0
062 R000000 0.0
063 A000000 49
063 B000000 0.0
064 A000000 Y
064 B000000 N
066 A000000 N
067 000000 N
068 A000000 N
068 B000000 N
069 000000 N
071 A000000 0
071 B000000 0
071 C000000 0
071 D000000 0
072 A000000 12
072 B000000 6280
072 C000000 0
072 D000000 0
072 E000000 0
072 F000000 977
072 G000000 0
072 H000000 0
072 I000000 178
072 J000000 21
072 K000000 0
072 L000000 12
072 M000000 40
072 N000000 25
072 O000000 1
072 P000000 0
072 Q000000 0
072 R000000 12
072 S000000 12
072 T000000 0
072 U000000 0
072 V000000 0
072 W000000 7
072 X000000 1285
072 Y000000 0
072 Z000000 4995
072AA000000 36
072BB000000 2
072CC010000 0
072CC020000 0
072DD010000 4995
072DD020000 0
072EE000000 0
073 A010000 0.0260
073 A020000 0.0000
<PAGE> PAGE 5
073 B000000 0.0000
073 C000000 0.0000
074 A000000 2279
074 B000000 0
074 C000000 190994
074 D000000 0
074 E000000 0
074 F000000 0
074 G000000 0
074 H000000 0
074 I000000 0
074 J000000 0
074 K000000 0
074 L000000 1060
074 M000000 19
074 N000000 194352
074 O000000 0
074 P000000 73
074 Q000000 0
074 R010000 0
074 R020000 0
074 R030000 0
074 R040000 59
074 S000000 0
074 T000000 194220
074 U010000 194353
074 U020000 0
074 V010000 1.00
074 V020000 0.00
074 W000000 0.9995
074 X000000 2606
074 Y000000 0
075 A000000 195384
075 B000000 0
076 000000 0.00
077 A000000 Y
077 B000000 Y
080 A000000 VIGILANT INSURANCE COMPANY
080 B000000 NATIONAL UNION FIRE INS. CO. OF PITTSBURGH,PA
080 C000000 125000
081 A000000 Y
081 B000000 182
082 A000000 N
082 B000000 0
083 A000000 N
083 B000000 0
084 A000000 N
084 B000000 0
085 A000000 Y
085 B000000 N
<PAGE> PAGE 6
SIGNATURE STEPHANIE D. PIERCE
TITLE ASSISTANT TREASURER
<TABLE> <S> <C>
<ARTICLE> 6
<CIK> 0000762855
<NAME> DREYFUS CALIFORNIA TAX EXEMPT MONEY MARKET FUND
<MULTIPLIER> 1000
<S> <C>
<PERIOD-TYPE> YEAR
<FISCAL-YEAR-END> MAR-31-1999
<PERIOD-END> MAR-31-1999
<INVESTMENTS-AT-COST> 190994
<INVESTMENTS-AT-VALUE> 190944
<RECEIVABLES> 1060
<ASSETS-OTHER> 2298
<OTHER-ITEMS-ASSETS> 0
<TOTAL-ASSETS> 194352
<PAYABLE-FOR-SECURITIES> 0
<SENIOR-LONG-TERM-DEBT> 0
<OTHER-ITEMS-LIABILITIES> 132
<TOTAL-LIABILITIES> 132
<SENIOR-EQUITY> 0
<PAID-IN-CAPITAL-COMMON> 194320
<SHARES-COMMON-STOCK> 194353
<SHARES-COMMON-PRIOR> 194380
<ACCUMULATED-NII-CURRENT> 0
<OVERDISTRIBUTION-NII> 0
<ACCUMULATED-NET-GAINS> (100)
<OVERDISTRIBUTION-GAINS> 0
<ACCUM-APPREC-OR-DEPREC> 0
<NET-ASSETS> 194220
<DIVIDEND-INCOME> 0
<INTEREST-INCOME> 6280
<OTHER-INCOME> 0
<EXPENSES-NET> 1285
<NET-INVESTMENT-INCOME> 4995
<REALIZED-GAINS-CURRENT> 34
<APPREC-INCREASE-CURRENT> 0
<NET-CHANGE-FROM-OPS> 5029
<EQUALIZATION> 0
<DISTRIBUTIONS-OF-INCOME> (4995)
<DISTRIBUTIONS-OF-GAINS> 0
<DISTRIBUTIONS-OTHER> 0
<NUMBER-OF-SHARES-SOLD> 356240
<NUMBER-OF-SHARES-REDEEMED> (359534)
<SHARES-REINVESTED> 3267
<NET-CHANGE-IN-ASSETS> 7
<ACCUMULATED-NII-PRIOR> 0
<ACCUMULATED-GAINS-PRIOR> (167)
<OVERDISTRIB-NII-PRIOR> 0
<OVERDIST-NET-GAINS-PRIOR> 0
<GROSS-ADVISORY-FEES> 977
<INTEREST-EXPENSE> 0
<GROSS-EXPENSE> 1285
<AVERAGE-NET-ASSETS> 195384
<PER-SHARE-NAV-BEGIN> 1.00
<PER-SHARE-NII> .026
<PER-SHARE-GAIN-APPREC> 0
<PER-SHARE-DIVIDEND> (.026)
<PER-SHARE-DISTRIBUTIONS> 0
<RETURNS-OF-CAPITAL> 0
<PER-SHARE-NAV-END> 1.00
<EXPENSE-RATIO> .007
<AVG-DEBT-OUTSTANDING> 0
<AVG-DEBT-PER-SHARE> 0
</TABLE>