DDES 900 Oakesdale Ave. SWRenton, WA 98057-5212MapPhone: 206-296-6600TTY Relay: 711Service Center hours:*Monday to Thursday,7:30 a.m. - 4:30 p.m.;Closed on Friday
* Note: New hours begin Jan. 4, 2010 Read more
Check property jurisdiction & zoning first.
Use our online help form if unsure if you need a permit or can't find what you seek.
Visit DDES for walk-in technical assistance.
Call 206-296-6600 for DDES customer service.
