SEC Form 3

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 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* GTCR MEZZANINE PARTNERS LP (Last) (First) (Middle) C/O GTCR GOLDER RAUNER 6100 SEARS TOWER (Street) CHICAGO IL 60606-6402 (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 11/24/2004	3. Issuer Name and Ticker or Trading Symbol COINMACH SERVICE CORP [ DRY ]
		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 of Original Filed (Month/Day/Year)
			6. Individual or Joint/Group Filing (Check Applicable Line) Form filed by One Reporting Person X Form filed by More than One Reporting Person

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)

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: 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

1. Name and Address of Reporting Person* GTCR MEZZANINE PARTNERS LP (Last) (First) (Middle) C/O GTCR GOLDER RAUNER 6100 SEARS TOWER (Street) CHICAGO IL 60606-6402 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* GTCR PARTNERS VI L P (Last) (First) (Middle) C/O GTCR GOLDER RAUNER 6100 SEARS TOWER (Street) CHICAGO IL 60606-6402 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See Footnote 1and 2

1. Name and Address of Reporting Person* GTCR GOLDER RAUNER LLC (Last) (First) (Middle) 6100 SEARS TOWER (Street) CHICAGO IL 60606-6402 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) See Footnote 1 and 2

Explanation of Responses:

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.

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