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 *   Isakson Michael M 2. Date of Event Requiring Statement (Month/Day/Year) 04/14/2005 3. Issuer Name and Ticker or Trading Symbol SERVICEMASTER CO [SVM] (Last) (First) (Middle) 3250 LACEY ROAD, SUITE 600 4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Pres & COO ServiceMaster Clean 5. If Amendment, Date Original Filed(Month/Day/Year) (Street) DOWNERS GROVE, IL 60515-1700 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 stock $.01 par value 152,053 D   Common stock $.01 par value 1,567 I by spouse Common stock $.01 par value 2,095 I 401(k) plan Common stock $.01 par value 3,284 I by spouse and children

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
1997 Option Plan (Right to Buy)	02/13/1998(1)	02/12/2007	Common stock $.01 par value	36,000	$ 11.2222	D	Â
1998 Emplee. Stock Option(Right to Buy)	01/29/2000(1)	01/28/2009	Common stock $.01 par value	17,500	$ 18.075	D	Â
1998 Emplee. Stock Option(Right to Buy)	01/29/2000(1)	01/28/2009	Common stock $.01 par value	17,500	$ 18.075	D	Â
1998 Emplee. Stock Option(Right to Buy)	02/16/1999(1)	02/15/2008	Common stock $.01 par value	22,500	$ 18.2583	D	Â
10+ Option Share Plan (Right to Buy)	02/16/1997(1)	02/15/2006	Common stock $.01 par value	50,625	$ 9.2593	D	Â
WSH Emplee Stock Option (Right to Buy)	05/04/2000(2)	05/03/2006	Common stock $.01 par value	541	$ 13.87	D	Â
2000 Employee Stock Option (Right to Buy)	08/08/2001(1)	08/07/2007	Common stock $.01 par value	30,000	$ 8.75	D	Â
2000 Employee Stock Option (Right to Buy)	03/18/2004(1)	03/17/2013	Common stock $.01 par value	16,667	$ 9.88	D	Â
2000 Employee Stock Option (Right to Buy)	03/16/2002(1)	03/15/2008	Common stock $.01 par value	30,000	$ 10.52	D	Â
2000 Employee Stock Option (Right to Buy)	02/08/2003(1)	02/07/2009	Common stock $.01 par value	25,000	$ 13.83	D	Â
2003 EIP Stock Appreciation Right	02/13/2005(3)	02/12/2014	Common stock $.01 par value	17,500	$ 10.73	D	Â
2003 EIP Stock Appreciation Right	02/11/2006(3)	02/10/2015	Common stock $.01 par value	20,000	$ 13.44	D	Â

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Isakson Michael M 3250 LACEY ROAD, SUITE 600 DOWNERS GROVE, IL 60515-1700	Â	Â	  Pres & COO ServiceMaster Clean	Â

Signatures

Sandra L. Groman by power of attorney		04/14/2005
**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)	The option is exercisable in five equal annual installments beginning on the first anniversary of the date of the grant.
(2)	The option was issued pursuant to the WeServeHomes.com, Inc. 2000 Option/Stock Issuance Plan and is subject to repurchase rights upon termination of employment according to the following: 25% of the shares lapse upon first anniversary of grant date and the remainder in a series of 36 successive equal monthly installments.
(3)	The stock appreciation right is exercisable in five equal annual installments beginning on the first anniversary of the date of grant.

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