Fire systems
Property research
Check jurisdiction and zoning to determine whether your property is located in unincorporated King County or is located within city limits.
No pre-application meeting is required
Download application materials
Single family, commercial and multi-family sprinkler permits are available online through MyBuildingPermit.com. 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.
Plan review
King County will perform a review of the application to ensure code compliance.
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.
Tools and Resources