scenic picture from Washington state

City of Mattawa

City Officials

   521 E Government Rd
   PO Box 965
   Mattawa, WA 99349

Phone: (509) 932-4037
Fax: (509) 932-4047
Web Site:
General Email:
Business Hours: 8:30am - 4:30pm

County: Grant
Population: 4,540
Class: Code
Incorporation: 1958
Form of Government: Mayor-Council
Wards: No
Documents and Services

Forms & Documents
Municipal Code

For Official Use Only
Update City Official Information
Update City Profile Information

Population data updated each July with the April 1 estimates from the Washington State Office of Financial Management.

Need more information?

Feel free to Ask MRSC. Washington cities, counties, and our contract partners can call or email MRSC for more information and advice - free of charge.