<SEC-DOCUMENT>0000866368-17-000021-index.html : 20170929
<SEC-HEADER>0000866368-17-000021.hdr.sgml : 20170929
<ACCEPTANCE-DATETIME>20170830171313
<PRIVATE-TO-PUBLIC>
ACCESSION NUMBER:		0000866368-17-000021
CONFORMED SUBMISSION TYPE:	CORRESP
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20170830

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			PS BUSINESS PARKS INC/CA
		CENTRAL INDEX KEY:			0000866368
		STANDARD INDUSTRIAL CLASSIFICATION:	REAL ESTATE INVESTMENT TRUSTS [6798]
		IRS NUMBER:				954300881
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		CORRESP

	BUSINESS ADDRESS:	
		STREET 1:		701 WESTERN AVE
		CITY:			GLENDALE
		STATE:			CA
		ZIP:			91201
		BUSINESS PHONE:		(818) 244-8080

	MAIL ADDRESS:	
		STREET 1:		701 WESTERN AVE
		CITY:			GLENDALE
		STATE:			CA
		ZIP:			91201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	PUBLIC STORAGE PROPERTIES XI INC
		DATE OF NAME CHANGE:	19930328
</SEC-HEADER>
<DOCUMENT>
<TYPE>CORRESP
<SEQUENCE>1
<FILENAME>filename1.htm
<TEXT>
Document 1 - file: filename1.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>psb-20170830correspg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: psb-20170830correspg001.jpg

</DOCUMENT>
</SEC-DOCUMENT>