UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 6-K

REPORT OF FOREIGN PRIVATE ISSUER

PURSUANT TO RULE 13a-16 OR 15d-16 OF

THE SECURITIES EXCHANGE ACT OF 1934

For the month of: May 2005

Commission file number 0-24762

FIRSTSERVICE CORPORATION

(Name of Registrant)

1140 Bay Street, Suite 4000

Toronto, Ontario, Canada

M5S 2B4

(Address of Principal Executive Offices)

Indicate by check mark whether the Registrant files or will file annual reports under cover of Form 20-F or Form 40-F:

 Form 20-F o  Form 40-F x

Indicate by check mark if the Registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

Indicate by check mark if the Registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(7): o

Indicate by check mark whether by furnishing the information contained in this Form, the Registrant is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934:

 Yes o  No x

If "Yes" is marked, indicate the file number assigned to the Registrant in connection with Rule 12g3-2(b): N/A

SIGNATURE

Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this Report to be signed on its behalf by the undersigned, hereunto duly authorized.

	FIRSTSERVICE CORPORATION
Date: May 18, 2005	/s/ John B. Friedrichsen
	Name: John B. Friedrichsen
	Title: Senior Vice President and Chief Financial Officer

EXHIBIT INDEX

Exhibit	Description of Exhibit
99.1	Fourth Quarter Press Release dated May 18, 2005