skip to main content

DDES
900 Oakesdale Ave. SW
Renton, WA 98057-5212

Map

Phone:  206-296-6600
TTY Relay:  711

Service Center hours:*
Monday to Thursday,
7 a.m. - 5 p.m.;
Closed on Friday

* Read more about DDES hours

DDES hours and locations

DDES is located in Renton, Washington. DDES also provides limited staff hours on Vashon - Maury Island for projects located there. 

DDES main office in Renton


Please note: DDES is closed on Fridays.  Business hours for DDES and its Permit Center, Phone Center, Records Center and Cashier are as follows.

   Monday 7 a.m. to 5 p.m.
   Tuesday 7 a.m. to 5 p.m.
   Wednesday     7 a.m. to 5 p.m.
   Thursday 7 a.m. to 5 p.m. 
   Friday Closed

See also free technical assistance availability.

For more about DDES' change in hours that began Dec. 15, 2008, see the news release.

Department of Development and Environmental Services
900 Oakesdale Avenue SW
Renton, WA 98057-5212
>> Map with directions

DDES customer service line: 206-296-6600

DDES Permit Center and customer services

Hours: Monday - Thursday, 7 a.m. - 5 p.m. and closed on Fridays (except services as noted below**)
  • Building code information (Plans Examiners)
  • Cashier services
    • Pick up issued fire system permits
  • Reception services
    • for meetings
    • for dropping off materials
  • Permit intake and issuance** sign-up list for walk-in service closes at 4:30 p.m.
  • Staff help and up to 15 minutes of free technical assistance on a first-come, first-served basis
    • Critical areas, clearing & grading, and drainage specialists** 7 - 9:30 a.m. only
    • Permit technicians** sign-up list for walk-in service closes at 4:30 p.m.
    • Zoning technicians** 7:20 a.m. - noon, sign-up list for walk-in service closes at 11:40 a.m.
     

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
>> Driving directions

Vashon - Maury Island center phone: 206-296-4510

Vashon field office services

Hours: Every Tuesday, 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