Holiday closure Monday May 28: Most county offices will be closed in observance of Memorial Day.

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

About Fire Marshal Services at DDES

Fire Marshal Services within the Department of Development and Environmental Services is responsible for administering and enforcing the provisions of the International Fire Code in all new and existing buildings in unincorporated King County.

This work group conducts fire engineering reviews on large building permits and annual fire safety inspections in the unincorporated area and for several contract cities.

Fire Engineering and Inspection Unit

The FMD Fire Engineering and Inspection Unit reviews submitted plans to ensure buildings comply with a variety of regulated fire and life safety issues. Fire engineers approve the design of:

  • fire sprinklers
  • fire alarm systems
  • fire extinguishing systems
  • fuel tank installations
  • fire hydrant installations.

There may be occasions when they are also called upon the conduct site inspections prior to permit issuance.

Fire/Arson Investigation Unit

On January 1, 2008, a King County Ordinance went into effect that transferred the Fire Investigation Unit (FIU) to the King County Sheriff's Office.

Contact information


Web www.kingcounty.gov/fire
Call DDES Customer Service 206-296-6600
TTY Relay: 711
E-mail DDESWebInquiries@kingcounty.gov
Address Department of Development and Environmental Services (DDES)
900 Oakesdale Avenue SW
Renton, WA 98057-5212
Map & Directions www.kingcounty.gov/property/permits/about/ddesmap.aspx

News

Fire safety burn ban for King County runs July 15 to Sept. 30. Learn more...