Ownership Submission
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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  GTCR MEZZANINE PARTNERS LP
2. Date of Event Requiring Statement (Month/Day/Year)
11/24/2004
3. Issuer Name and Ticker or Trading Symbol
COINMACH SERVICE CORP [DRY]
(Last)
(First)
(Middle)
C/O GTCR GOLDER RAUNER 6100 SEARS TOWER
4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

CHICAGO, IL 60606-6402
6. Individual or Joint/Group Filing(Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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)
INCOME DEPOSIT SECURITIES 2,199,413
D
 
CLASS B COMMON STOCK 17,767,204
I
SEE FOOTNOTE (1) (2)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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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

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
GTCR MEZZANINE PARTNERS LP
C/O GTCR GOLDER RAUNER 6100 SEARS TOWER
CHICAGO, IL 60606-6402
    X    
GTCR PARTNERS VI L P
C/O GTCR GOLDER RAUNER 6100 SEARS TOWER
CHICAGO, IL 60606-6402
      See Footnote 1and 2
GTCR GOLDER RAUNER LLC
6100 SEARS TOWER
CHICAGO, IL 60606-6402
      See Footnote 1 and 2

Signatures

/s/ David Donnini 12/09/2004
**Signature of Reporting Person Date

/s/ David Donnini 12/09/2004
**Signature of Reporting Person Date

/s/ David Donnini 12/09/2004
**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).
(1) All outstanding shares of Class B Common Stock of the issuer are held by Coinmach Holdings, LLC ("Holdings"). GTCR-CLC, LLC, of which GTCR Fund VII, L.P. ("GTCR Fund VII") is the Managing Member, is a member of and effectively controls Holdings. GTCR Golder Rauner, L.L.C. ("GTCR") is the general partner of GTCR Partners VII, L.P. ("GTCR Partners VII"), which is the general partner of GTCR Fund VII. As such GTCR may be deemed to be a beneficial owner of the Class B Common Stock reported in Table 1. GTCR disclaims beneficial ownership of the Class B Common Stock reported in Table 1, except to the extent of any pecuniary interest therein. The filing of this form shall not be deemed an admission that GTCR is, for Section 16 purposes or otherwise, the beneficial owner of the Class B Common Stock.
(2) GTCR is also the general partner of GTCR Partners VI, L.P. ("GTCR Partners VI"), which is the general partner of GTCR Mezzanine Partners, L.P. ("Mezzanine Partners"). As such GTCR Partners VI and GTCR may be deemed to be beneficial owners of the Income Deposit Securities reported in Table 1. GTCR Partners VI and GTCR expressly disclaim beneficial ownership of the Income Deposit Securities reported in Table 1, except to the extent of any pecuniary interest therein. The filing of this form shall not be deemed an admission that GTCR Partners VI or GTCR is, for Section 16 purposes or otherwise, the beneficial owner of such Income Deposit Securities.

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