M-F 8:00 AM to 4:30 PM:
(425) 487-4100
Fax: (425) 485-6381
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
After Hours Emergency or Urgent Request — Call (425) 487- 4100. Remain on the line and follow instructions (do not press 0). You will be transferred to page our on-call technician. You will be called back.