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Property research

Check jurisdiction and zoning to determine whether your property is located in unincorporated King County or is located within city limits.

Find your jurisdiction

step 2

No pre-application meeting is required

step 3

Download application materials

Single family, commercial and multi-family sprinkler permits are available online through  Select King County | Fire | Single Family | (Activity Type) | Fire Sprinkler Systems

Fire system permits include the following:

  • Fire sprinkler systems
  • Fire alarm systems
  • Fire monitoring systems
  • All fixed fire extinguishing systems
  • Standpipe
  • Water main extensions
  • Underground sprinkler supply lines
  • Fire hydrant installation
  • Flammable and combustible liquid storage tanks
  • LPG tanks
  • Generators
  • Flammable liquid spray booths
  • Flow coaters
  • Fiber-glassing equipment
  • Solvent distillation equipment for recycling solvents
  • High piled storage.

See the Fire Systems Packet for additional information and application forms.

step 4

Plan review

King County will perform a review of the application to ensure code compliance.

Permit status

step 5


King County inspects work to ensure code compliance.

Schedule a permit inspection:
Phone IVR, call 888-546-7728 - IVR codes
Office phone 206-296-6600

Additional information
Keep final plans and permits displayed on-site!

Approved building and land use permits must be displayed prominently on construction and development sites.

Maintaining these records on-site is the responsibility of the applicant and/or contractor.

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