UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K

CURRENT REPORT

Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934

Date of Report (Date of earliest event reported): February 4, 2010

CB RICHARD ELLIS GROUP, INC.

(Exact Name of Registrant as specified in its charter)

(310) 405-8900

Registrant’s telephone number, including area code

Not Applicable

(Former name or former address, if changed since last report.)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions (see General Instruction A.2. below):

This Current Report on Form 8-K is filed by CB Richard Ellis Group, Inc., a Delaware corporation (the “Company”), in connection with the matters described herein.

Loan Modification Agreement

On February 5, 2010, the Company, CB Richard Ellis Services, Inc. (“Services”), a subsidiary of the Company, certain subsidiaries of Services, the lenders parties thereto, and Credit Suisse AG (formerly known as “Credit Suisse”), as administrative agent and collateral agent, entered into the Loan Modification Agreement (the “Loan Modification Agreement”) amending the Second Amended and Restated Credit Agreement, dated as of March 24, 2009 (as amended, the “Credit Agreement”), among the Company, Services, certain subsidiaries of Services, the lenders parties thereto and Credit Suisse AG, as administrative agent and collateral agent. Capitalized terms used herein and not otherwise defined herein shall have the meanings assigned to such terms in the Loan Modification Agreement or the Credit Agreement. The Loan Modification Agreement extended maturities and/or amortization on $272.1 million of Loans under the Credit Agreement.

The Loan Modification Agreement amended the Credit Agreement to, among other things:

Form of Supplement to the Amended and Restated Guarantee and Pledge Agreement

On February 4, 2010, certain of the Company’s non-U.S. subsidiaries (as contemplated by Section 5.09(b) of the Credit Agreement), entered into Supplements (“Supplements”) to the Amended and Restated Guarantee and Pledge Agreement, dated as of March 24, 2009, among Services, the Company, each subsidiary of Services from time to time party thereto and Credit Suisse AG, as collateral agent. Pursuant to these Supplements, such subsidiaries agreed to guarantee certain obligations of the borrowers (other than Services) under the Credit Agreement and the other Loan Documents (as defined in the Credit Agreement).

The above descriptions of the Loan Modification Agreement and the Supplements do not purport to be complete and are qualified in their entirety by reference to such agreements, which are attached hereto as Exhibits 10.1 and 10.2, respectively, and incorporated herein by reference.

(d) Exhibits

The following documents are attached as exhibits to this Current Report on Form 8-K:

SIGNATURE

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 hereunto duly authorized.

Date: February 10, 2010

EXHIBIT INDEX