Fire Sprinkler System Permit
Required for installing or modifying automatic fire sprinkler systems in Wisconsin. Commercial buildings, multi-family residential buildings, and certain other occupancies require sprinkler systems under the Wisconsin fire code and SPS 361–366. Systems must be designed per NFPA 13, 13R, or 13D depending on the building type and installed by licensed fire protection contractors.
When Is a Fire Sprinkler System Permit Required?
- New fire sprinkler system installation
- Modifications or additions to existing sprinkler systems
- Tenant build-outs in sprinklered buildings
- Building additions that extend beyond existing sprinkler coverage
When Is a Fire Sprinkler System Permit NOT Required?
- Routine inspection and maintenance of existing systems
- Replacing individual sprinkler heads in kind
Related Permits You May Also Need
Required Licenses
The following professional licenses may be required to obtain or work under this permit type in Wisconsin.
Fire Sprinkler System Permit Fees by Municipality
Fee and processing time data for fire sprinkler system permit permits across Wisconsin municipalities. Click any jurisdiction for complete details including application links and requirements.
| Jurisdiction | Fee | Processing Time | Status |
|---|---|---|---|
| City of Milwaukee | $120 + $3 per head | 2-3 weeks | Current |
| City of Madison | $100 + $2.50 per head | 2-3 weeks | Current |
| City of Green Bay | $85 + $2 per head | 1-2 weeks | Current |
Data note: Fees are sourced from official municipal fee schedules and verified periodically. Actual fees may vary based on project valuation and scope. Click any jurisdiction for the most current data and direct application links.
Frequently Asked Questions — Fire Sprinkler System Permit
When is a fire sprinkler system required in Wisconsin?
Wisconsin requires fire sprinkler systems in most new commercial buildings, multi-family residential buildings with more than 20 units (or over 3 stories), hotels, restaurants over certain sizes, and other occupancies per SPS 361–366 and the International Fire Code as adopted. Requirements vary by building type, size, and occupancy classification.
Are residential sprinklers required in Wisconsin?
Wisconsin does not require fire sprinkler systems in new one- and two-family dwellings under the Uniform Dwelling Code. However, some municipalities have adopted local ordinances requiring residential sprinklers in new construction. Multi-family buildings above certain thresholds do require sprinkler systems.
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