UNITED STATES
                       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): March 31, 2009

                             PS BUSINESS PARKS, INC.
             (Exact Name of Registrant as Specified in its Charter)

          California                       1-10709               95-4300881
(State or Other Jurisdiction of   (Commission File Number)    (I.R.S. Employer
        Incorporation)                                       Identification No.)

701 Western Avenue, Glendale, California                         91201-2349
  (Address of Principal Executive Offices)                       (Zip Code)

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

Check the  appropriate  box below if the Form 8-K is intended to  simultaneously
satisfy  the filing  obligation  of the  registrant  under any of the  following
provisions:

|_|      Written communication pursuant to Rule 425 under the Securities Act (17
         CFR 230.425)

|_|      Soliciting  material pursuant to Rule 14a-12 under the Exchange Act (17
         CFR 240.14a-12)

|_|      Pre-commencement  communications  pursuant to Rule  14d-2(b)  under the
         Exchange Act (17 CFR 240.14d-2(b))

|_|      Pre-commencements  communications  pursuant to Rule 13e-4(c)  under the
         Exchange Act (17 CFR 240.13e-4(c))








ITEM 5.02  DEPARTURE OF DIRECTORS OR CERTAIN  OFFICERS;  ELECTION OF  DIRECTORS;
APPOINTMENT OF CERTAIN OFFICERS; COMPENSATORY ARRANGEMENTS OF CERTAIN OFFICERS.


         (b) (e)  Effective  March 31,  2009,  M. Brett  Franklin,  Senior  Vice
President,  Acquisitions and Dispositions  resigned from PS Business Parks, Inc.
In connection with Mr. Franklin's resignation,  PS Business Parks entered into a
Separation Agreement and General Release (the "Agreement") dated March 31, 2009.
The  Agreement  provides  among  other  things,  that as  consideration  for the
Agreement and subject to the terms of the Agreement, Mr. Franklin will receive a
lump sum payment of $153,750, subject to applicable withholding taxes, will have
until December 31, 2009 to exercise his vested stock options, and vesting of 400
restricted stock units will be accelerated to March 31, 2009. All other unvested
restricted stock units previously awarded to Mr. Franklin by the company will be
cancelled as of March 31, 2009.

         A copy of the Agreement is filed as Exhibit 10.1 to this Current Report
on Form 8-K.

ITEM 9.01  FINANCIAL STATEMENTS AND EXHIBITS

      (c)  EXHIBITS

Exhibit 10.1--Agreement dated March 31, 2009 between Public Storage and M. Brett
Franklin






                                   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.

Date:    March 31, 2009

                                                  PS BUSINESS PARKS, INC.


                                                  By: /s/ Stephanie G. Heim
                                                      Stephanie G. Heim
                                                      Vice President









                                  Exhibit Index


Exhibit 10.1--Agreement dated March 31, 2009 between Public Storage and M. Brett
Franklin