Fire sprinklers
Will your Bellevue custom home need fire sprinklers?
Do not wait until the plans are nearly finished to ask about sprinklers. They can affect the water service, ceilings, mechanical coordination, cost, and schedule.
Reviewed against official sources · August 2026Bellevue screens the requirement with the house permit
For a new single-family home, Bellevue determines whether sprinklers are required while reviewing the Single Family Building Permit. If a system is required, the sprinkler design and installation use a separate residential fire-sprinkler permit.
Bellevue explains the submittal requirements on its residential fire sprinkler permit page.
What the sprinkler submittal usually includes
- A completed checklist and site plan.
- Stamped shop drawings showing the system layout.
- Hydraulic calculations and equipment information.
- Coordination with the domestic water service and other building systems.
Ask early
Have the architect, civil engineer, plumber, and sprinkler designer confirm the likely requirement before design development is complete. Early coordination is cheaper than redesigning finished plans.
Action plan
Resolve sprinklers before the permit set is finished
- 1
Ask Bellevue Fire Review to confirm whether the proposed house triggers residential sprinklers under the Single Family Building Permit.
- 2
Hire a qualified sprinkler designer early enough to coordinate the service size, meter, backflow needs, riser, ceiling zones, and concealed spaces.
- 3
Give the designer current architectural plans and water-supply information for hydraulic calculations.
- 4
Prepare the separate FC permit package with checklist, hydraulic calculations, equipment sheets, site plan, and stamped shop drawings.
- 5
Coordinate required inspections and keep approved sprinkler plans available on site.
Official resources