FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF 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

OMB APPROVAL OMB Number: 3235-0104 Expires: January 31, 2005 Estimated average burden hours per response... 0.5

(Print or Type Responses)

1. Name and Address of Reporting Person *   Lennox John G. Jr. 2. Date of Event Requiring Statement (Month/Day/Year) 09/14/2007 3. Issuer Name and Ticker or Trading Symbol EQUITY RESIDENTIAL [EQR] (Last) (First) (Middle) TWO NORTH RIVERSIDE PLAZA, SUITE 400 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Interim Chief Financial Ofcr. 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) CHICAGO, IL 60606 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 Beneficially Owned

1.Title of Security (Instr. 4) 2. Amount of Securities Beneficially Owned (Instr. 4) 3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5) 4. Nature of Indirect Beneficial Ownership (Instr. 5) Common Shares of Beneficial Interest 4,362 (1) D   Common Shares of Beneficial Interest 8,586 (2) I SERP Account

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.			SEC 1473 (7-02)
	Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Non-Qualified Stock Option (right to buy)	01/27/2007(3)	01/27/2014	Common Shares of Beneficial Interest	1,478	$ 29.25	D	Â
Non-Qualified Stock Option (right to buy)	02/03/2007(4)	02/03/2015	Common Shares of Beneficial Interest	2,846	$ 31.76	D	Â
Non-Qualified Stock Option (right to buy)	02/03/2007(5)	02/03/2016	Common Shares of Beneficial Interest	2,963	$ 42.8	D	Â
Non-Qualified Stock Option (right to buy)	02/08/2008(6)	02/08/2017	Common Shares of Beneficial Interest	2,636	$ 53.5	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Lennox John G. Jr. TWO NORTH RIVERSIDE PLAZA, SUITE 400 CHICAGO, IL 60606	Â	Â	  Interim Chief Financial Ofcr.	Â

Signatures

By: Yasmina Duwe, Attorney-In-Fact		09/19/2007
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 5(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).
(4)	The share options reported on this line are scheduled to vest as follows: 1,423 of the share options vest on February 3, 2007; and 1,423 of the share options vest on February 3, 2008.
(3)	All of the share options reported on this line vest on January 27, 2007.
(5)	The share options reported on this line are scheduled to vest as follows: 987 of the share options vest on February 3, 2007; 988 of the share options vest on February 3, 2008; and 988 of the share options vest on February 3, 2009.
(2)	Shares reported in this column are owned by the AST Trust Company, as Trustee of the Equity Residential Supplemental Executive Retirement Plan, for the benefit of the reporting person.
(1)	Direct total includes restricted shares.
(6)	The share options reported on this line are scheduled to vest as follows: 878 of the share options vest on February 8, 2008; 879 of the share options vest on February 8, 2009; and 879 of the share options vest on February 8, 2010.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, See Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.