EXHIBIT 32.4

                      LIBERTY PROPERTY LIMITED PARTNERSHIP

                           CERTIFICATIONS REQUIRED BY
            RULE 13a-14(b) UNDER THE SECURITIES EXCHANGE ACT OF 1934

      In connection with the Annual Report of Liberty Property Limited
Partnership (the "Company") on Form 10-Q for the quarterly period ended June 30,
2006, as filed with the Securities and Exchange Commission on the date hereof
(the "Report"), I, GEORGE J. ALBURGER, JR., Executive Vice President and Chief
Financial Officer of Liberty Property Trust (the sole general partner of the
Company), certify in connection with Rule 13a-14(b) under the Securities
Exchange Act of 1934, as amended, that based on my knowledge:

      (1) The Report fully complies with the requirements of section 13(a) or
15(d) of the Securities Exchange Act of 1934; and

      (2) The information contained in the Report fairly presents, in all
material respects, the financial condition and result of operations of the
Company.

/s/ GEORGE J. ALBURGER, JR.
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George J. Alburger, Jr.
Executive Vice President and Chief
Financial Officer of Liberty Property Trust,
the Company's sole general partner

Date: August 7, 2006