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Contact the Development Services Office

Development Services Office

The DSO Walk-In Center on the 27th floor of the Seattle Municipal Tower is permanently closed, but we are still open for business! You can contact us during our regular business hours at SPU_DSO@seattle.gov or (206) 684-3333, Monday through Friday, 8 am – 5 pm.

Other questions

Waterline inspections: (206) 684-5803
Billing questions: (206) 684-3000

Utility System Improvement Disputes

Public Utilities

Andrew Lee, General Manager and CEO
Address: 700 5th Avenue, Suite 4900, Seattle, WA, 98104
Mailing Address: PO Box 34018, Seattle, WA, 98124-5177
Phone: (206) 684-3000
SPUCustomerService@seattle.gov

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Seattle Public Utilities (SPU) is comprised of three major direct-service providing utilities: the Water Utility, the Drainage and Wastewater Utility, and the Solid Waste Utility.