DDES 900 Oakesdale Ave. SWRenton, WA 98057-5212MapPhone: 206-296-6600TTY: 206-296-7217Service Center hours:*Monday to Thursday,7:30 a.m. - 4:30 p.m.;Friday, 7:30 - 11:30 a.m.
*New hours effective July 7 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.
