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 *
DUNCAN BRUCE W
  2. Issuer Name and Ticker or Trading Symbol
EQUITY RESIDENTIAL [EQR]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
President and Chief Executive
(Last)
(First)
(Middle)
TWO NORTH RIVERSIDE PLAZA, SUITE 400
3. Date of Earliest Transaction (Month/Day/Year)
02/28/2005
(Street)

CHICAGO, IL 60606
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 Shares of Beneficial Interest               192,835 (1) D  
Common Shares of Beneficial Interest 02/28/2005   A   3,585 A $ 27.89 17,079 (2) I SERP Account

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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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
Non-Qualified Stock Option (right to buy) $ 23.55             02/07/2004 02/07/2013 Common Shares of Beneficial Interest 168,820   168,820 (3) D  
Non-Qualified Stock Option (right to buy) $ 28.98             09/14/2002 03/14/2012 Common Shares of Beneficial Interest 4,000   4,000 (4) D  
Non-Qualified Stock Option (right to buy) $ 28.98             03/18/2003 03/18/2012 Common Shares of Beneficial Interest 41,361   41,361 (5) D  
Non-Qualified Stock Option (right to buy) $ 29.25             01/27/2004 01/27/2014 Common Shares of Beneficial Interest 283,464   283,464 (6) D  
Non-Qualified Stock Option (right to buy) $ 31.76             02/03/2005 02/03/2015 Common Shares of Beneficial Interest 330,504   330,504 (7) D  
Operating Partnership Units $ 0             03/14/2002 08/08/1988 Common Shares of Beneficial Interest 44,794   44,794 (8) I Revocable Trust

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
DUNCAN BRUCE W
TWO NORTH RIVERSIDE PLAZA, SUITE 400
CHICAGO, IL 60606
  X     President and Chief Executive  

Signatures

 Bruce W Duncan   03/02/2005
**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) Shares reported on this line are owned directly and are subject to vesting.
(2) Shares reported herein are owned by The Security Trust Company, as Trustee of the Equity Residential Supplemental Retirement Plan for the benefit of the Reporting Person.
(3) 56,273 share options reported herein will become exercisable on February 7, 2004; 56,273 share options will become exercisable on February 7, 2005; and 56,274 share options will become exercisable on February 7, 2006.
(4) 1,333 share options reported herein are currently exercisable; 1,334 share options will become exercisable on March 14, 2003; and 1,333 share options will become exercisable on March 14, 2004.
(5) 13,787 share options reported herein will become exercisable on March 14, 2003; 13,787 share options will become exercisable on March 14, 2004; and 13,787 share options will become exercisable on March 14, 2005.
(6) Share options reported on this line will become exercisable in three equal installments on January 27, 2005; January 27, 2006 and January 27, 2007.
(7) Share options reported on this line will become exercisable in three equal installments on February 3, 2006; February 3, 2007 and February 3, 2008.
(8) OP Units reported herein are indirectly held by Mr. Duncan in the Bruce W. Duncan Revocable Trust under trust agreement dated July 29, 1993.

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