**EXHIBIT 32.2****Certification of Chief Financial Officer**     Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, theundersigned officer of Arden Realty, Inc., a Maryland corporation , the general partner of ArdenRealty Limited Partnership (the “Partnership”), hereby certifies, to such officer’s knowledge,that: (i) the accompanying Annual Report on Form 10-K of the Partnership for the fiscalyear ended December 31, 2005 (the “Report”) fully complies with the requirements ofSection 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934,as amended; and  (ii) the information contained in the Report fairly presents, in all materialrespects, the financial condition and results of operations of the Partnership.       Date: March 15, 2006 By: /s/ Richard S. Davis             Richard S. Davis      Executive Vice President and Chief FinancialOfficer      Arden Realty, Inc.       A signed original of this written statement required by Section 906 has been provided to thePartnership and will be retained by the Partnership and furnished to the Securities and ExchangeCommission or its staff upon request.     The foregoing certification is being furnished solely to accompany the Report pursuant to 18U.S.C. § 1350 and in accordance with SEC Release No. 33-8238, and is not being “filed” for purposesof Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated byreference into any filing of the Partnership, whether made before or after the date hereof,regardless of any general incorporation language in such filing.
 

 
**Certification of Chief Operating Officer**     Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, theundersigned officer of Arden Realty, Inc., a Maryland corporation , the general partner of ArdenRealty Limited Partnership (the “Partnership”), hereby certifies, to such officer’s knowledge,that: (i) the accompanying Annual Report on Form 10-K of the Partnership for the fiscalyear ended December 31, 2005 (the “Report”) fully complies with the requirements ofSection 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934,as amended; and  (ii) the information contained in the Report fairly presents, in all materialrespects, the financial condition and results of operations of the Partnership.       Date: March 15, 2006 By: /s/ Victor J. Coleman             Victor J. Coleman      President and Chief Operating Officer      Arden Realty, Inc.       A signed original of this written statement required by Section 906 has been provided to thePartnership and will be retained by the Partnership and furnished to the Securities and ExchangeCommission or its staff upon request.     The foregoing certification is being furnished solely to accompany the Report pursuant to 18U.S.C. § 1350 and in accordance with SEC Release No. 33-8238, and is not being “filed” for purposesof Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated byreference into any filing of the Partnership, whether made before or after the date hereof,regardless of any general incorporation language in such filing.
 

 
**Certification of Executive Vice President**     Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, theundersigned officer of Arden Realty, Inc., a Maryland corporation , the general partner of ArdenRealty Limited Partnership (the “Partnership”), hereby certifies, to such officer’s knowledge,that: (i) the accompanying Annual Report on Form 10-K of the Partnership for the fiscalyear ended December 31, 2005 (the “Report”) fully complies with the requirements ofSection 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934,as amended; and  (ii) the information contained in the Report fairly presents, in all materialrespects, the financial condition and results of operations of the Partnership.       Date: March 15, 2006 By: /s/ Robert C. Peddicord             Robert C. Peddicord      Executive Vice President — Leasing andProperty Operations      Arden Realty, Inc.       A signed original of this written statement required by Section 906 has been provided to thePartnership and will be retained by the Partnership and furnished to the Securities and ExchangeCommission or its staff upon request.     The foregoing certification is being furnished solely to accompany the Report pursuant to 18U.S.C. § 1350 and in accordance with SEC Release No. 33-8238, and is not being “filed” for purposesof Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated byreference into any filing of the Partnership, whether made before or after the date hereof,regardless of any general incorporation language in such filing.
 

 
**Certification of General Counsel**     Pursuant to 18 U.S.C. § 1350, as created by Section 906 of the Sarbanes-Oxley Act of 2002, theundersigned officer of Arden Realty, Inc., a Maryland corporation , the general partner of ArdenRealty Limited Partnership (the “Partnership”), hereby certifies, to such officer’s knowledge,that: (i) the accompanying Annual Report on Form 10-K of the Partnership for the fiscalyear ended December 31, 2005 (the “Report”) fully complies with the requirements ofSection 13(a) or Section 15(d), as applicable, of the Securities Exchange Act of 1934,as amended; and  (ii) the information contained in the Report fairly presents, in all materialrespects, the financial condition and results of operations of the Partnership.       Date: March 15, 2006 By: /s/ David A. Swartz             David A. Swartz      Senior Vice President,      General Counsel and Secretary      Arden Realty, Inc.       A signed original of this written statement required by Section 906 has been provided to thePartnership and will be retained by the Partnership and furnished to the Securities and ExchangeCommission or its staff upon request.     The foregoing certification is being furnished solely to accompany the Report pursuant to 18U.S.C. § 1350 and in accordance with SEC Release No. 33-8238, and is not being “filed” for purposesof Section 18 of the Securities Exchange Act of 1934, as amended, and is not to be incorporated byreference into any filing of the Partnership, whether made before or after the date hereof,regardless of any general incorporation language in such filing.