| x | QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES |
|---|--------------------------------------------------------------------|

| o | TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 |
|---|------------------------------------------------------------------------------------------|

| Maryland                                 | 52-1328767                           |
|------------------------------------------|--------------------------------------|
| (State of Incorporation)                 | (I.R.S. Employer Identification No.) |
|                                     |                                 |
| 11200 Rockville Pike                     |                                 |
| Rockville, MD                            | 20852                                |
| (Address of Principal Executive Offices) | (ZIP Code)                           |

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| •   | Amendment to Part I, Item 4, Controls and Procedures |
|---------------------|------------------------------------------------------|

| •   | Corrected Exhibits 31.1 and 31.2. |
|---------------------|-----------------------------------|

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|      |                    | Page   |
|-----------|-------------------------|--------|
|      |                    |   |
| Part I    | FINANCIAL INFORMATION   |   |
|      |                    |   |
| Item 4.   | Controls and Procedures | 4      |
|      |                    |   |
| Part II   | OTHER INFORMATION       |   |
|      |                    |   |
| Item 6.   | Exhibits                | 4      |
|      |                    |   |
| SIGNATURE |                    | 4      |

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| Exhibit No. |   | Description                                                                                            |
|-------------|--------|--------------------------------------------------------------------------------------------------------|
|        |   |                                                                                                   |
| 31.1        |   | Certification of Principal Executive Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 |
|        |   |                                                                                                   |
| 31.2        |   | Certification of Principal Financial Officer pursuant to Section 302 of the Sarbanes-Oxley Act of 2002 |

|              |   | CAPITAL REALTY INVESTORS-IV LIMITED    PARTNERSHIP                                                                 |
|-------------------|--------|------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|
|              |   | (Registrant)                                                                                                                                                                                                                                                                                                                                                                                                                                                           |
|              |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|              |   | by:    C.R.I., Inc.                                                                                      |
|              |   | Managing General Partner                                                                                                                                                                                                                                                                                                                                                                                                                                               |
|              |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|              |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
|              |   |                                                                                                                                                                                                                                                                                                                                                                                                                                                                   |
| September 1, 2010 |   | by:     /s/ H. William Willoughby                                                                                                                                                                                                                         |
| DATE              |   | H. William Willoughby                                                                                                                                                                                                                                                                                                                                                                                                                                                  |
|              |   | Director, President, Secretary,                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|              |   | Principal Financial Officer and                                                                                                                                                                                                                                                                                                                                                                                                                                        |
|              |   | Principal Account Officer                                                                                                                                                                                                                                                                                                                                                                                                                                              |

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