Customer Service Open: Monday through Friday 8:00 a.m. to 4:30 p.m. 

Street Address:  17238 NE Woodinville-Duvall Road, Woodinville,  WA  98072
Mailing Address: PO Box 1390,  Woodinville,  WA  98072 

Customer Service Phone Number: (425) 487-4100
Fax: (425) 485-6381

   We offer several ways to pay your utility bill. Please click on the methods below for more information.