SECURITIES AND EXCHANGE COMMISSION
                           Washington, D.C.  20549

                                 SCHEDULE 13G
                   Under the Securities Exchange Act of 1934

                              (Amendment No. 3)*

                           Trizec Properties, Inc.
             ________________________________________________________
                              (Name of Issuer)


                       Common Stock, $0.01 par value
              _______________________________________________________
                       (Title of Class and Securities)

                                 89687P107
              _______________________________________________________

                      (CUSIP Number of Class of Securities)


Check the appropriate box to designate the rule pursuant to which this
Schedule is filed:

/X/	Rule 13d-1(b)
/ /	Rule 13d-1(c)
/ /	Rule 13d-1(d)

* The remainder of this cover page shall be filled out for a

reporting person's initial filing on this form with respect to the

subject class of securities, and for any subsequent amendment

containing information which would alter the disclosures provided

in a prior page.



The information required in the remainder of this cover page shall

not be deemed to be "filed" for the purpose of Section 18 of the

Securities Exchange Act of 1934 ("Act") or otherwise subject to the

liabilities of that section of the Act but shall be subject to all

other provisions of the Act (however, see the Notes).





                  (Continued on following page(s))





CUSIP No. 89687P107                                             13G
_____________________________________________________________________________
(1)  NAMES OF REPORTING PERSONS
     Southeastern Asset Management, Inc.       I.D. No. 62-0951781
_____________________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                              (a)
                                              (b) X
_____________________________________________________________________________
(3)  SEC USE ONLY
_____________________________________________________________________________
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
     Tennessee
_____________________________________________________________________________
                                   :(5) SOLE VOTING POWER
                                   :   (Discretionary Accounts)
NUMBER OF SHARES BENEFICIALLY      :      0 shares
OWNED BY EACH REPORTING PERSON     __________________________________________
WITH                               :(6) SHARED OR NO VOTING POWER

                                          0 shares (shared)
                                          0 shares (No Vote)
                                   __________________________________________
                                   :(7) SOLE DISPOSITIVE POWER
                                       (Discretionary Accounts)
                                   :      0 shares
                                   __________________________________________
                                   :(8)  SHARED DISPOSITIVE POWER

                                   :      0 shares (Shared)
                                          0 shares (None)
_____________________________________________________________________________
(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      
         0 shares
_____________________________________________________________________________
(10)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES
      CERTAIN SHARES 
_____________________________________________________________________________
(11)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
         0.0%
_____________________________________________________________________________
(12)  TYPE OF REPORTING PERSON
      IA
_____________________________________________________________________________


CUSIP No. 89687P107						13G 
_____________________________________________________________________________

(1)  NAMES OF REPORTING PERSONS
       Longleaf Partners Fund                  I.D. No. 63-6147721
_____________________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                              (a)
                                              (b) X
_____________________________________________________________________________
(3)  SEC USE ONLY
_____________________________________________________________________________
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
     Massachusetts Business Trust
_____________________________________________________________________________
                                   :(5) SOLE VOTING POWER
                                      
NUMBER OF SHARES BENEFICIALLY      :    None
OWNED BY EACH REPORTING PERSON     __________________________________________
WITH                               :(6) SHARED OR NO VOTING POWER

                                        0 shares (shared)
                                            
                                   __________________________________________
                                   :(7) SOLE DISPOSITIVE POWER
                                        
                                   :    None
                                   __________________________________________
                                   :(8)  SHARED DISPOSITIVE POWER

                                   :    0 shares (Shared)
                                          
_____________________________________________________________________________
(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      
       0 shares
_____________________________________________________________________________
(10)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES
      CERTAIN SHARES
_____________________________________________________________________________
(11)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
      0.0%
_____________________________________________________________________________
(12)  TYPE OF REPORTING PERSON
      IV
_____________________________________________________________________________





CUSIP No. 89687P107						13G
_____________________________________________________________________________
(1)  NAMES OF REPORTING PERSONS
      Longleaf Partners International Fund            I.D. No. 62-1749486
_____________________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                              (a)
                                              (b) X
_____________________________________________________________________________
(3)  SEC USE ONLY
_____________________________________________________________________________
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
     Massachusetts Business Trust
_____________________________________________________________________________
                                   :(5) SOLE VOTING POWER
                                      
NUMBER OF SHARES BENEFICIALLY      :      None
OWNED BY EACH REPORTING PERSON     __________________________________________
WITH                               :(6) SHARED OR NO VOTING POWER

                                          0 shares (shared)
                                                                                
                                   __________________________________________
                                  :(7) SOLE DISPOSITIVE POWER
                                        
                                   :      None
                                   __________________________________________
                                   :(8)  SHARED DISPOSITIVE POWER

                                   :      0 shares (Shared)
                                          
_____________________________________________________________________________
(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON
      
       0 shares
_____________________________________________________________________________
(10)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES
      CERTAIN SHARES
_____________________________________________________________________________
(11)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
      0.0%
_____________________________________________________________________________
(12)  TYPE OF REPORTING PERSON
      IV
_____________________________________________________________________________














CUSIP No.  89687P107                                     13G
_____________________________________________________________________________
(1)  NAMES OF REPORTING PERSONS
     O. Mason Hawkins                        I.D. No. XXX-XX-XXXX
_____________________________________________________________________________
(2)  CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP:
                                              (a)
                                              (b) X
_____________________________________________________________________________
(3)  SEC USE ONLY
_____________________________________________________________________________
(4)  CITIZENSHIP OR PLACE OF ORGANIZATION
     Citizen of United States
_____________________________________________________________________________
                                   :(5) SOLE VOTING POWER
                                   :   (Discretionary Accounts)
NUMBER OF SHARES BENEFICIALLY      :    None
OWNED BY EACH REPORTING PERSON     __________________________________________
WITH                               :(6) SHARED VOTING POWER

                                   :    None
                                   __________________________________________
                                   :(7) SOLE DISPOSITIVE POWER

                                   :    None
                                   __________________________________________
                                   :(8) SHARED DISPOSITIVE POWER

                                   :    None
_____________________________________________________________________________
(9)  AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON

      None  (See Item 3)
_____________________________________________________________________________
(10)  CHECK BOX IF THE AGGREGATE AMOUNT IN ROW 9 EXCLUDES
      CERTAIN SHARES
_____________________________________________________________________________
(11)  PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9
      0.0%
_____________________________________________________________________________
(12)  TYPE OF REPORTING PERSON
      IN
_____________________________________________________________________________



Item 1.

     (a). Name of Issuer: Trizec Properties, Inc.
          ("Issuer")

     (b). Address of Issuer's Principal Executive Offices:

            233 South Wacker Drive
            46th Floor
            Chicago, IL 60606


Item 2.

     (a). and (b). Names and Principal Business Addresses of Persons
          Filing:

      (1)         Southeastern Asset Management, Inc.
                  6410 Poplar Ave., Suite 900
                  Memphis, TN 38119

      (2)	  Longleaf Partners Fund
                  Longleaf Partners International Fund
                  c/o Southeastern Asset Management, Inc. 
                  6410 Poplar Avenue, Suite 900
                  Memphis, TN, 38119

      (3)	  Mr. O. Mason Hawkins
                  Chairman of the Board and C.E.O.
                  Southeastern Asset Management, Inc.
                  6410 Poplar Ave., Suite 900
                  Memphis, TN 38119

     (c). Citizenship:

          Southeastern Asset Management, Inc. - A Tennessee corporation

          Longleaf Partners Fund and Longleaf Partners International 
          Fund are series of Longleaf Partners Funds Trust, a                 
	  Massachusetts business trust. 
          	  
          Mr. O. Mason Hawkins - U.S. Citizen

     (d). Title of Class of Securities: Common stock (the "Securities").

     (e). Cusip Number:  89687P107


Item 3.  If this statement is filed pursuant to Rules 13d-1 (b) or
         13d-2 (b), check whether the person filing is a:

     (d.) Investment Company registered under Sec. 8 of the Investment 
          Company Act - Longleaf Partners Fund and Longleaf 
          Partners International Fund, seriew of Longeaf Partners         
	  Funds Trust.


     (e.) Investment Adviser registered under Section 203 of the 
          Investment Advisers Act of 1940.  This statement is being filed
          by Southeastern Asset Management, Inc. as a registered investment 
          adviser. All of the securities covered by this report are owned 
          legally by Southeastern's investment advisory clients and none 
          are owned directly or indirectly by Southeastern.  As permitted 
          by Rule 13d-4, the filing of this statement shall not be construed 
          as an admission that Southeastern Asset Management, Inc. is the 
          beneficial owner of any of the securities covered by this statement.

     (g.) Parent Holding Company.  This statement is also being filed by 
          Mr. O. Mason Hawkins, Chairman of the Board and C.E.O. of 
          Southeastern Asset Management, Inc. in the event he could be 
          deemed to be a controlling person of that firm as the result of 
          his official positions with or ownership of its voting securities. 
          The existence of such control is expressly disclaimed.  Mr. Hawkins 
          does not own directly or indirectly any securities covered by 
          this statement for his own account.  As permitted by Rule 13d-4, 
          the filing of this statement shall not be construed as an admission 
          that Mr. Hawkins is the beneficial owner of any of the securities 
          covered by this statement.


Item 4. Ownership:

    (a). Amount Beneficially Owned: (At 11/30/04)

         0 shares

    (b). Percent of Class:

         0.0%

         Above percentage is based on 151,918,599 shares of common 
         stock outstanding.                 
         
    (c). Number of shares as to which such person has:

    (i).  sole power to vote or to direct the vote:

          0 shares

    (ii). shared or no power to vote or to direct the vote:

          Shared - 0 shares.
                  
          Securities owned by the following series of Longleaf
          Partners Funds Trust, an open-end management
          investment company registered under the Investment
          Company Act of 1940, as follows:

          Longleaf Partners Fund - 0
                  
          Longleaf Partners International Fund - 0

          No Power to Vote - 0 shares. 

   (iii). sole power to dispose or to direct the disposition of:

          0 shares

   (iv).  shared or no power to dispose or to direct the
          disposition of:

          Shared - 0 shares
                 
          Securities owned by the following series of Longleaf
          Partners Funds Trust, an open-end management
          investment company registered under the Investment
          Company Act of 1940, as follows:

          Longleaf Partners Fund - 0

          Longleaf Partners International Fund - 0

          No Power - 0 shares. 


Item 5. Ownership of Five Percent or Less of a Class:  The filing
        parties no longer own 5% of the Securities of the Issuer.


Item 6. Ownership of More Than Five Percent on Behalf of Another
        Person:  N/A


Item 7. Identification and Classification of the Subsidiary Which
        Acquired the Security Being Reported on By the Parent
        Holding Company:  N/A


Item 8. Identification and Classification of Members of the Group:
        N/A


Item 9. Notice of Dissolution of Group:  N/A


Item 10. Certification:

By signing below I certify that, to the best of my knowledge and
belief, the securities referred to above were acquired in the
ordinary course of business and were not acquired for the purpose
and do not have the effect of changing or influencing the control
of the issuer of such securities and were not acquired in
connection with or as a participant in any transaction having such
purposes or effect.



                             Signatures

After reasonable inquiry and to the best of the knowledge and
belief of the undersigned, the undersigned certifies that the
information set forth in this statement is true, complete, and
correct.

Dated: December 9, 2004
                              Southeastern Asset Management, Inc.

                              By  /s/ Andrew R. McCarroll
			      _______________________________________________
                              Andrew R. McCarroll 
                              Vice President and General Counsel

                              Longleaf Partners Fund
			      Longleaf Partners International Fund

                              By: Southeastern Asset Management, Inc.  
                                 /s/ Andrew R. McCarroll 
        		      ____________________________________________
                              Andrew R. McCarroll 
                              Vice President & General Counsel 
 
                              O. Mason Hawkins, Individually

                                /s/ O. Mason Hawkins
                              _______________________________________________


                      Joint Filing Agreement

In accordance with Rule 13d-1(f) under the Securities Exchange Act
of 1934, the persons or entities named below agree to the joint
filing on behalf of each of them of this Schedule 13G with respect
to the Securities of the Issuer and further agree that this joint
filing agreement be included as an exhibit to this Schedule 13G. In
evidence thereof, the undersigned hereby execute this Agreement as
of December 9, 2004.

                                      Southeastern Asset Management, Inc.

                                      By  /s/ Andrew R. McCarroll 
 				      ______________________________________________
                                      Andrew R. McCarroll 
                                      Vice President and General Counsel

                                      Longleaf Partners Fund
      				      Longleaf Partners International Fund

                                      By: Southeastern Asset Management, Inc.
                                         /s/ Andrew R. McCarroll 
 		 		      ______________________________________________
                                      Andrew R. McCarroll 
                                      Vice President and General Counsel

                                      O. Mason Hawkins, Individually
                                        /s/ O. Mason Hawkins



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TRZ13G3.doc	
SCHEDULE 13G - Trizec Properties, Inc. ("Issuer")
Amendment No. 3
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TRZ13G3.doc