Residential Fire Sprinkler Installation in Mercer Island, WA
Rain City Fire Protection designs, permits, and installs fire sprinkler systems for new homes and renovations on Mercer Island, Washington. If you're building on Mercer Island and need fire sprinklers, we handle everything from design through inspection.
Mercer Island's residential construction is predominantly custom single-family homes with high-end finishes. Concealed sprinkler heads are especially important here, where homeowners expect every detail to be clean and intentional. We design systems that protect your home without compromising the aesthetic.
What We Install in Mercer Island
We design, permit, and install NFPA 13D fire sprinkler systems for all new residential construction.
Mercer Island Permit & Cost Info
Mercer Island follows the Washington State Building Code. The city's residential projects tend to be larger custom homes with complex layouts requiring careful sprinkler design.
Building Department
City of Mercer Island Development Services Group
Permit Timeline
1–2 weeks typical
Typical Cost
Mercer Island projects typically cost $1.75–$3.00 per square foot. The island's high-end custom homes often require more detailed design work and premium concealed heads.
Neighborhoods We Serve in Mercer Island
We install fire sprinkler systems throughout Mercer Island, including these neighborhoods and surrounding areas.
Fire Sprinkler FAQs for Mercer Island
Common questions about fire sprinkler installation in Mercer Island, Washington.
Yes. All new residential construction on Mercer Island requires NFPA 13D fire sprinkler systems under the Washington State Building Code.
Mercer Island homes typically cost $1.75–$3.00 per square foot due to the complexity and size of custom homes on the island. A 5,000 sq ft home might run $8,750–$15,000.
No. We exclusively use concealed pendant heads with flat cover plates that sit flush with your ceiling. The plates are painted to match your ceiling color, making them virtually invisible. This is standard on every Mercer Island project we do.
Nearby Service Areas
We also install fire sprinkler systems in these communities.
Building in Mercer Island?
Send us your plans and we'll get you a quote within 48 hours. Call 206-992-1090 or email geoff@raincityfireprotection.com.