<ARTICLE> 5
<CIK> 0000104894
<NAME> WASHINGTON REAL ESTATE INVESTMENT TRUST
<MULTIPLIER> 1000
<CURRENCY> U.S. DOLLARS

                                                  
<PERIOD-TYPE>                   3-MOS                   6-MOS
<FISCAL-YEAR-END>                          DEC-31-1999             DEC-31-1999
<PERIOD-START>                             APR-01-1999             JAN-01-1999
<PERIOD-END>                               JUN-30-1999             JUN-30-1999
<EXCHANGE-RATE>                                      1                       1
<CASH>                                            5320                    5320
<SECURITIES>                                         0                       0
<RECEIVABLES>                                     4741                    4741
<ALLOWANCES>                                       928                     928
<INVENTORY>                                          0                       0
<CURRENT-ASSETS>                                 17290                   17290
<PP&E>                                          631985                  631985
<DEPRECIATION>                                   73525                   73525
<TOTAL-ASSETS>                                  585811                  585811
<CURRENT-LIABILITIES>                            20939                   20939
<BONDS>                                         304642                  304642
<PREFERRED-MANDATORY>                                0                       0
<PREFERRED>                                          0                       0
<COMMON>                                           357                     357
<OTHER-SE>                                      258328                  258328
<TOTAL-LIABILITY-AND-EQUITY>                    585811                  585811
<SALES>                                          28864                   56518
<TOTAL-REVENUES>                                 29096                   64864
<CGS>                                            13239                   26195
<TOTAL-COSTS>                                    13239                   26195
<OTHER-EXPENSES>                                  1706                    2939
<LOSS-PROVISION>                                     0                       0
<INTEREST-EXPENSE>                                5386                   10607
<INCOME-PRETAX>                                   8765                   25123
<INCOME-TAX>                                         0                       0
<INCOME-CONTINUING>                               8765                   25123
<DISCONTINUED>                                       0                       0
<EXTRAORDINARY>                                      0                       0
<CHANGES>                                            0                       0
<NET-INCOME>                                      8765                   25123
<EPS-BASIC>                                       0.25                    0.70
<EPS-DILUTED>                                     0.25                    0.70