Seattle Public Utilities

Construction & Development

Development services

Seattle Municipal Tower
700 5th Ave., Seattle, WA 98104
Development Services Office
(206) 684-3333
SPU_DSO@Seattle.gov

For water services

27th floor
Mon, Wed, Thu, Fri
8:00 a.m. – 5:00 p.m.
Tue 10:30 a.m. – 5:00 p.m.
 

Payments

4th floor (lobby entrance)
Information & Payments desk
Online payments

Research water and sewer connections

Use the water and sewer map to research existing Seattle water, drainage, and sewer infrastructure for your property.

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Proposed 2017 construction standards

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CAD resources

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Construction and demolition waste