<TABLE> <S> <C>
<ARTICLE> 5
<LEGEND>
PS BUSINESS PARKS. INC.
EXHIBIT 27 - FINANCIAL DATA SCHEDULE
ARTICLE 5 OF REGULATION S-X
</LEGEND>
<CIK> 0000866368
<NAME> PS Business Parks, Inc.
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<CURRENCY> U.S. $
<S> <C>
<PERIOD-TYPE> 6-MOS
<FISCAL-YEAR-END> DEC-31-2000
<PERIOD-START> JAN-01-2000
<PERIOD-END> JUN-30-2000
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<CURRENT-LIABILITIES> 26,602,000
<BONDS> 0
0
55,000,000
<COMMON> 232,000
<OTHER-SE> 501,829,000
<TOTAL-LIABILITY-AND-EQUITY> 906,321,000
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<EPS-BASIC> 0.84
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</TABLE>