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Permitting services are available online via this website and For details and information about our new location and office hours, see our Customer Service Bulletin.

Flammable liquid tanks

Installation and decommissioning of flammable liquid tanks, such as propane/LPG tanks.


The sale and use of consumer fireworks in unincorporated King County are prohibited.

Fire Systems

Fire system permits help to preserve life and property by preventing and controlling fires and fire hazards.

Fire Special Event Permit

A permit to erect a temporary tent or membrane structure in excess of 400-square-feet in size or an aggregate area of multiple tents of 700-square-feet.