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

|   | For      the fiscal year ended December 31,2008. |
|--------|--------------------------------------------------|

|   | or |
|--------|----|

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

|   | Commission      File Number:     0-08908 |
|--------|--------------------------------------------------------------|

|   | PUBLIC STORAGE      PROPERTIES IV, LTD. |
|--------|-----------------------------------------|

|   | (Exact      name of Registrant as specified in itscharter) |
|--------|------------------------------------------------------------|

| 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. |
|--------|-------------------------------------------------------------------------------|

| Securities      registered pursuant to Section 12(b) of the Act: | NONE |
|------------------------------------------------------------------|------|

|   | Securities      registered pursuant to Section 12(g) of theAct: |
|--------|-----------------------------------------------------------------|

| Units      of Limited Partnership Interest |
|--------------------------------------------|
| (Title      of class)                      |

----

----

|                                     | PUBLIC      STORAGE PROPERTIES IV, LTD. |
|------------------------------------------|-----------------------------------------|
|                                     | a      California Limited Partnership   |
| Dated:  November      24, 2009 | By:                                     | Public      Storage, General Partner |
|                                     |                                    |   |
|                                     |                                    | By: | /s/      Ronald L. Havner, Jr. |
|                                     |                                    |   | Ronald      L. Havner, Jr., Vice Chairman of the Board, Chief Executive Officer and      President of Public Storage, Corporate General  Partner |

----

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

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