Company:  PS BUSINESS PARKS, L.P.
Form Type:  S-3ASR
Filing Date:  3/9/2021 
CIK:  0001849881 
Address:  701 WESTERN AVENUE 
City, State, Zip:  GLENDALE, California 91201 
Telephone:  (818)244-8080 
Fiscal Year:  12/31 
Register and access this filing in:     
  FORM S-3ASR
    CALCULATION OF REGISTRATION FEE
      STOCKHOLDERS EQUITY
    TABLE OF CONTENTS
    RISK FACTORS
    ABOUT THIS PROSPECTUS
    WHERE YOU CAN FIND MORE INFORMATION
    FORWARD-LOOKING STATEMENTS
    USE OF PROCEEDS
    DESCRIPTION OF COMMON STOCK
    DESCRIPTION OF PREFERRED STOCK
    DESCRIPTION OF EQUITY STOCK
    DESCRIPTION OF DEPOSITARY SHARES
    DESCRIPTION OF WARRANTS
    DESCRIPTION OF DEBT SECURITIES
      Maintenance of Properties
    DESCRIPTION OF GUARANTEES
    DESCRIPTION OF UNITS
    SELLING SECURITYHOLDERS
    MATERIAL U.S. FEDERAL INCOME TAX CONSIDERATIONS
    Taxation of PS Business Parks as a REIT
    PLAN OF DISTRIBUTION
    Selling Securityholders
    Underwriting Compensation
    Subscription Offerings
    LEGAL MATTERS
    EXPERTS
    PART II
      ITEM 14. Other Expenses of Issuance and Distribution.
      ITEM 15. Indemnification of Directors and Officers.
      ITEM 16. Exhibits.
      ITEM 17. UNDERTAKINGS.
    SIGNATURES
    Power of Attorney
  EXHIBIT 4.5
  EXHIBIT 4.6
  EXHIBIT 5.1
  EXHIBIT 8.1
  EXHIBIT 23.1
    Consent of Independent Registered Public Accounting Firm