Customer Service Open: Monday through Friday 8:00 a.m. to 4:15 p.m. 

Street Address:  17238 NE Woodinville-Duvall Road, Woodinville,  WA  98072
Mailing Address: PO Box 1390,  Woodinville,  WA  98072
Mail Payments: PO Box 94210,  Seattle,  WA  98124-6510

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.
   

 

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