SECURITIES AND EXCHANGE COMMISSION

                             WASHINGTON, D.C. 20549

                                    FORM 8-K


                 Current Report Pursuant to Section 13 or 15(d)
                     of The Securities Exchange Act of 1934

        Date of Report (Date of earliest event reported) October 8, 2001


                             PS BUSINESS PARKS, INC.
                             -----------------------
             (Exact name of registrant as specified in its charter)


      CALIFORNIA                        1-10709                 95-4300881
      ----------                        -------                 ----------
(State or Other Jurisdiction    (Commission File Number)    (I.R.S. Employer
     of Incorporation)                                    Identification Number)


               701 WESTERN AVENUE, GLENDALE, CALIFORNIA 91201-2397
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               (Address of principal executive offices) (Zip Code)


       Registrant's telephone number, including area code: (818) 244-8080
                                                           --------------


                                       N/A
                                       ---
          (Former name or former address, if changed since last report)





ITEM 7.  FINANCIAL STATEMENTS AND EXHIBITS

(c)      EXHIBITS
         --------

         99.1         Press release dated October 8, 2001.

ITEM 9.  REGULATION FD DISCLOSURE

         On October 8, 2001, the Company  issued a press release  announcing the
         Company's results for the quarter ended September 30, 2001. The Company
         is attaching the press  release as Exhibit 99.1 to this Current  Report
         on  Form  8-K.  The  information  included  pursuant  to  this  Item  9
         (including  the  exhibits)  shall not be deemed to be  incorporated  by
         reference  into  any  filing  made  by  the  Company  pursuant  to  the
         Securities  Act of 1933,  other  than to the  extent  that such  filing
         incorporates  by reference  any or all of such  information  by express
         reference thereto.

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                                   SIGNATURES


Pursuant  to the  requirements  of the  Securities  Exchange  Act of  1934,  the
Registrant  has duly  caused  this  report  to be  signed  on its  behalf by the
undersigned hereunto duly authorized.


                                                         PS BUSINESS PARKS, INC.
DATE: October 8, 2001                                      By: /S/ JACK CORRIGAN
                                                               -----------------
                                                                   Jack Corrigan
                                      Vice President and Chief Financial Officer


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