Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
ERWIN JAMES R
  2. Issuer Name and Ticker or Trading Symbol
TRAMMELL CROW CO [TCC]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
20 GLENMEADOW COURT
3. Date of Earliest Transaction (Month/Day/Year)
12/20/2006
(Street)

DALLAS, TX 75225
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)
2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)
4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)
5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)
6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)
7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 12/20/2006   D   9,000 D $ 49.51 0 (1) D  

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)
2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)
5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)
6. Date Exercisable and Expiration Date
(Month/Day/Year)
7. Title and Amount of Underlying Securities
(Instr. 3 and 4)
8. Price of Derivative Security
(Instr. 5)
9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)
10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)
11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Performance Units $ 0 (2) 12/20/2006   D     1,184 05/17/2006   (3) Common Stock 1,184 $ 49.51 0 D  
Performance Units $ 0 (2) 12/20/2006   D     1,988 05/18/2005   (3) Common Stock 1,988 $ 49.51 0 D  
Performance Units $ 0 (2) 12/20/2006   D     3,591 05/19/2004   (3) Common Stock 3,591 $ 49.51 0 D  
Performance Units $ 0 (2) 12/20/2006   D     3,922 05/25/2001   (3) Common Stock 3,922 $ 49.51 0 D  
Stock Option (right to buy) $ 9.74 12/20/2006   D     9,719 05/21/2003 05/21/2010 Common Stock 9,719 $ 39.77 (4) 0 D  
Stock Option (right to buy) $ 13.9 12/20/2006   D     6,200 05/24/2002 05/24/2009 Common Stock 6,200 $ 35.61 (5) 0 D  
Stock Option (right to buy) $ 10.2 12/20/2006   D     8,772 05/25/2001 05/25/2008 Common Stock 8,772 $ 39.31 (6) 0 D  
Stock Option (right to buy) $ 11.44 12/20/2006   D     4,615 03/08/2000 03/08/2010 Common Stock 4,615 $ 37.71 (7) 0 D  
Stock Option (right to buy) $ 17.94 12/20/2006   D     3,345 03/30/1999 03/30/2009 Common Stock 3,345 $ 31.57 (8) 0 D  
Stock Option (right to buy) $ 22.75 12/20/2006   D     5,274 12/22/1997 12/22/2007 Common Stock 5,274 $ 26.76 (9) 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ERWIN JAMES R
20 GLENMEADOW COURT
DALLAS, TX 75225
  X      

Signatures

 /s/ James R. Erwin   12/18/2006
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) The shares were disposed of upon the merger of A-2 Acquisition Corp. with and into the Issuer pursuant to an agreement and plan of merger by and among the Issuer, CB Richard Ellis Group, Inc., and A-2 Acquisition Corp. (the "Merger Agreement").
(2) As awarded, each performance unit could be settled for one share of common stock. Pursuant to the Merger Agreement, each performance unit was converted into the right to receive $49.51 in cash, less any applicable withholding taxes and subject to and in accordance with the provisions set forth in the performance unit award agreement between the Issuer and the reporting person.
(3) As awarded, the units could be settled (a) in cash or in the Issuer's common stock, (b) in a single lump sum or in annual installments of up to five years and (c) upon the reporting person's termination of employment or service, completion of a stated number of years or a date specified by the reporting person. Pursuant to the Merger Agreement, each performance unit was converted into the right to receive $49.51 in cash, less any withholding taxes and subject to and in accordance with the provisions set forth in the performance unit award agreement between the Issuer and the reporting person.
(4) Pursuant to the Merger Agreement, the options were converted into the right to receive, upon exercise, the difference of $49.51 per option and the exercise price per option ($9.74 in this instance), resulting in the right to receive consideration of $39.77 per option, less any applicable withholding taxes.
(5) Pursuant to the Merger Agreement, the options were converted into the right to receive, upon exercise, the difference of $49.51 per option and the exercise price per option ($13.90 in this instance), resulting in the right to receive consideration of $35.61 per option, less any applicable withholding taxes.
(6) Pursuant to the Merger Agreement, the options were converted into the right to receive, upon exercise, the difference of $49.51 per option and the exercise price per option ($10.20 in this instance), resulting in the right to receive consideration of $39.31 per option, less any applicable withholding taxes.
(7) Pursuant to the Merger Agreement, the options were converted into the right to receive, upon exercise, the difference of $49.51 per option and the exercise price per option ($11.44 in this instance), resulting in the right to receive consideration of $38.07 per option, less any applicable withholding taxes.
(8) Pursuant to the Merger Agreement, the options were converted into the right to receive, upon exercise, the difference of $49.51 per option and the exercise price per option ($17.94 in this instance), resulting in the right to receive consideration of $31.57 per option, less any applicable withholding taxes.
(9) Pursuant to the Merger Agreement, the options were converted into the right to receive, upon exercise, the difference of $49.51 per option and the exercise price per option ($22.75 in this instance), resulting in the right to receive consideration of $26.76 per option, less any applicable withholding taxes.

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