UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C.  20549

FORM 10-Q/A

[X]  Quarterly Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the period ended March 31, 2009

or

[   ] Transition Report Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

For the transition period from ________________________ to ________________________.

Commission File Number: 0-08908

PUBLIC STORAGE PROPERTIES IV, LTD.

(Exact name of registrant as specified in its charter)

California	95-3192402
(State or other jurisdiction of	(I.R.S. Employer
incorporation or organization)	Identification Number)
701 Western Avenue, Glendale, California	91201-2349
(Address of principal executive offices)	(Zip Code)

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

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports) and (2) has been subject to such filing requirements for the past 90 days.

[X]  Yes [   ]  No

Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site, if any, every Interactive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T (§232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit and post such files).

[   ]  Yes [   ]  No

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer or a non-accelerated filer.  See definition of “accelerated filer” and “large accelerated filer” in Rule 12b-2 of the Exchange Act.

Large Accelerated Filer [  ] Accelerated Filer [  ] Non-accelerated Filer [X] Smaller Reporting Company [  ]

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act).

[   ]  Yes [X]  No

The Registrant is a limited partnership and issues units representing ownership of limited partner interests, with a par value of $500.00 per unit.  Number of units outstanding at May 13, 2009:  40,000.

EXPLANATORY NOTE

This Amendment No. 1 on Form 10-Q/A (this “Amendment”) amends the Public Storage Properties IV, Ltd. (the “Partnership”) Quarterly Report on Form 10-Q for the quarter ended March 31, 2009, previously filed with the Securities and Exchange Commission on May 14, 2009 (the “Original Filing”).  This Amendment is being filed solely to include portions of the certifications of the Principal Executive Officer and Principal Financial and Accounting Officer, revised as required pursuant to Rule 13a-14(a)/15d-14(a) of the Securities Exchange Act and 18 U.S.C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002.  Each certification, as corrected by this Amendment, was true and correct as of the date of the Original Filing.

No modification or update is otherwise being made to any other disclosures in the Original Filing, nor does this Amendment reflect any events occurring after the date of the Original Filing.

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 thereunto duly authorized.

DATED: November 24, 2009

PUBLIC STORAGE PROPERTIES IV, LTD.

BY:      Public Storage

General Partner

BY:       /s/ John Reyes                                        

John Reyes

Senior Vice President and

Chief Financial Officer

Exhibit No.                      Exhibit Index

31.1   Rule 13a - 14(a) Certification.  Filed herewith.

31.2   Rule 13a - 14(a) Certification.  Filed herewith.