**Exhibit 31.2**

**Reckson Associates Realty Corp.  Certification of Michael Maturo, Executive Vice President, Treasurer   and Chief        Financial Officer of the Registrant,  Pursuant to Rule 13a – 14(a)/15(d) – 14(a)**

I, Michael Maturo, certify that:

|        | 1.     | I have reviewed this quarterly report on Form 10-Qof Reckson Associates Realty Corp.;                                                                                                                                                                                                                                                 |
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|        | 2.     | Based on my knowledge, this report does not containany untrue statement of a material fact or omit to state a material fact necessaryto make the statements made, in light of the circumstances under which such statementswere made, not misleading with respect to the period covered by this report;                               |
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|        | 3.     | Based on my knowledge, the financial statements,and other financial information included in this report, fairly present in allmaterial respects the financial condition, results of operations and cash flowsof the Registrant as of, and for, the periods presented in this report;                                                  |
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|        | 4.     | The Registrant’s other certifying officer andI are responsible for establishing and maintaining disclosure controls and procedures(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and internal controlover financial reporting (as defined in Exchange Act Rules 13a-15(f) and 15d-15(f))for the Registrant and have: |
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|        |        | a)     | designed such disclosure controls and procedures,or caused such disclosure controls and procedures to be designed under our supervision,to ensure that material information relating to the Registrant, including itsconsolidated subsidiaries, is made known to us by others within those entities,particularly during the period in which this report is being prepared;                             |
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|        |        | b)     | designed such internal control over financial reporting,or caused such internal control over financial reporting to be designed underour supervision, to provide reasonable assurance regarding the reliability offinancial reporting and the preparation of financial statements for externalpurposes in accordance with generally accepted accounting principles;                                    |
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|        |        | c)     | evaluated the effectiveness of the Registrant’sdisclosure controls and procedures and presented in this report our conclusionsabout the effectiveness of the disclosure controls and procedures, as of theend of the period covered by this report based on such evaluation; and                                                                                                                  |
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|        |        | d)     | disclosed in this report any change in the Registrant’sinternal control over financial reporting that occurred during the Registrant’smost recent fiscal quarter (the Registrant’s fourth fiscal quarter in thecase of an annual report) that has materially affected, or is reasonably likelyto materially affect, the Registrant’s internal control over financialreporting; and |
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|  | 5. | The Registrant’s other certifying officer andI have disclosed, based on our most recent evaluation of internal control overfinancial reporting, to the Registrant’s auditors and the audit committeeof the Registrant’s board of directors (or persons performing the equivalentfunctions): |
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|   |   | a)     | all significant deficiencies and material weaknessesin the design or operation of internal control over financial reporting whichare reasonably likely to adversely affect the Registrant’s ability to record,process, summarize and report financial information; and |
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|   |   | b)     | any fraud, whether or not material, that involvesmanagement or other employees who have a significant role in the Registrant’sinternal control over financial reporting.                                                                                               |

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|   | Date: August 8, 2005 |

|   |   | /s/ Michael Maturo                                                 |
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|   |   |                                                                    |
|   |   | Michael Maturo                                                     |
|   |   | Executive Vice President, Treasurer    and Chief Financial Officer |
|   |   |                                                               |

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