DDES hours and locations

Department of Development and Environmental Services
900 Oakesdale Avenue SW
Renton, WA 98057-5212
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DDES Customer Service Line: 206-296-6600 available 9:30 a.m. to 3:30 p.m.

General Information and Records Center

Free technical assistance is available as walk-ins with no appointment necessary. This is an opportunity to meet with DDES review staff including drainage, zoning, critical areas, site development, building plans examiners, fire engineers, code enforcement, and permit technicians. As a first come, first serve service, customer wait time may vary widely depending on customer volumes.

Free assistance with permit records is available as walk-ins with no appointment necessary. This is an opportunity to meet with DDES records staff to review historical and active permit records. As a first come, first serve service, customer wait time may vary widely depending on customer volumes.

Permit Issuance

Issuance of previously approved permit applications and issuance of residential mechanical permits, demolition permits, damage inspection permits, and relocation inspection permits. As a first come, first serve service, customer wait time may vary widely depending on customer volumes.

Over the Counter Permits and Pre-Submittal Services

Small, minor project proposals that qualify for the Over the Counter Permit (OTCP) process are reviewed. Intermediate project proposals that qualify for the Pre-Submittal Services (PSS) process are reviewed. As first come, first serve services, customer wait time may vary widely depending on customer volumes.

Cashier and Reception Desk

The Cashier is available to accept payments, accept permit applications with payment that are eligible for drop-off, and provide notary services. The Reception Desk is available to assist with checking in for prescheduled meetings and accepting drop-off materials associated with pending permit applications.

Vashon - Maury Island Community Service Center

Vashon - Maury Island Community Service Center
@ King County Police Precinct Office, Courthouse Square
19021 Vashon Hwy. S.W.
Vashon, WA 98070
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Vashon - Maury Island Community Service Center phone: 206-296-4510

Vashon field office services

Hours: Second Monday of the month, 10 a.m. - noon, DDES staff are available at the Vashon - Maury Island office

• ONLY applications for residential and agricultural projects located on Vashon - Maury Island are accepted at this location
• Other King County services at this location >