<ARTICLE> 5
<LEGEND>
This schedule contains summary financial information extracted from the
Consolidated Balance Sheet at March 31, 1998 (unaudited) and the Consolidated
Statement of Operations for the Three Months Ended March 31, 1998 (unaudited)
and is qualified in its entirety by reference to such financial statements.
</LEGEND>
<CIK> 0000921112
<NAME> LIBERTY PROPERTY TRUST
<MULTIPLIER> 1,000
       
                             
<PERIOD-TYPE>                   3-MOS
<FISCAL-YEAR-END>                          DEC-31-1998
<PERIOD-START>                             JAN-01-1998
<PERIOD-END>                               MAR-31-1998
<CASH>                                          37,119
<SECURITIES>                                         0
<RECEIVABLES>                                    6,402
<ALLOWANCES>                                     2,151
<INVENTORY>                                          0
<CURRENT-ASSETS>                                43,521
<PP&E>                                       2,454,661
<DEPRECIATION>                                 165,437
<TOTAL-ASSETS>                               2,406,764
<CURRENT-LIABILITIES>                           25,819
<BONDS>                                      1,158,954
<PREFERRED-MANDATORY>                                0
<PREFERRED>                                    120,814
<COMMON>                                            57
<OTHER-SE>                                     936,829
<TOTAL-LIABILITY-AND-EQUITY>                 2,406,764
<SALES>                                              0
<TOTAL-REVENUES>                                82,619
<CGS>                                                0
<TOTAL-COSTS>                                   21,935
<OTHER-EXPENSES>                                17,569
<LOSS-PROVISION>                                     0
<INTEREST-EXPENSE>                              16,566
<INCOME-PRETAX>                                 26,549
<INCOME-TAX>                                         0
<INCOME-CONTINUING>                             26,549
<DISCONTINUED>                                       0
<EXTRAORDINARY>                                      0
<CHANGES>                                            0
<NET-INCOME>                                    21,990
<EPS-PRIMARY>                                     0.40
<EPS-DILUTED>                                     0.40