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 *
ZIMMERMAN CRAIG K
  2. Issuer Name and Ticker or Trading Symbol
ESSEX PROPERTY TRUST INC [ESS]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice President
(Last)
(First)
(Middle)
1100 PARK PLACE, SUITE 200
3. Date of Earliest Transaction (Month/Day/Year)
12/09/2015
(Street)

SAN MATEO, CA 94403
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

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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
LTIP Units (1) (2) 12/09/2015   A   998 (3)     (2)(3)   (2) Common Stock 998 $ 0 2,873 D  
LTIP Units (1) (2) 12/09/2015   A   998 (4)     (2)(4)   (2) Common Stock 998 $ 0 2,873 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ZIMMERMAN CRAIG K
1100 PARK PLACE
SUITE 200
SAN MATEO, CA 94403
      Executive Vice President  

Signatures

 /s/ John Farias, as Attorney in Fact   12/11/2015
**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) Represents LTIP Units in Essex Portfolio, L.P.
(2) Conditioned upon minimum allocations to the capital accounts of the LTIP Units for federal income tax purposes and vesting as described in footnote 3 below, each LTIP Unit may be converted, at the election of the holder, into a unit of limited partnership interest in Essex Portfolio, L.P. (a "Common Unit"). Each Common Unit acquired upon conversion of an LTIP Unit may be converted into one share of Common Stock of the Issuer. LTIP Units are generally not convertible without the consent of the Issuer until two years from the date of the grant. The rights to convert LTIP Units into Common Units and to convert Common Units into shares of Common Stock do not have expiration dates.
(3) Represents LTIP Units granted on December 9, 2014 that were earned on December 9, 2015 based on the achievement of certain performance criteria based on the Issuers relative total return to shareholders measured against industry-specific indices through December 9, 2015.
(4) Represents LTIP Units granted on December 9, 2014 that were earned on December 9, 2015 based on the achievement of certain performance criteria based on the Issuers relative total return to shareholders measured against industry-specific indices through December 9, 2015. These LTIP Units are scheduled to vest 20% on each of the first five anniversaries of December 9, 2014, subject to continued employment through such dates.
 
Remarks:
Exhibit 24.1 - Power of Attorney

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