Minneapolis follows the Minnesota State Building Code and State Fire Code, which require automatic fire sprinklers in most new multifamily, commercial, and large single-family structures, plus retroactive sprinklers in many high-rise existing buildings within Minneapolis.
Minneapolis adopts the Minnesota State Building Code under Minn. Stat. Chapter 326B, including the sprinkler thresholds in IBC and IRC as amended. New apartment buildings, hotels, large mercantile occupancies, and single-family homes above the state threshold square footage require NFPA 13 or 13R systems. Existing high-rise buildings have retroactive sprinkler obligations, and most state-licensed elder care facilities must be sprinklered. Plans go through Minneapolis Construction Code Services within Regulatory Services with Fire Marshal review. Sprinkler contractors must hold a state contractor license, and annual inspection, testing, and maintenance under NFPA 25 are mandatory, with reports submitted to the Fire Marshal on request.
Building or substantially renovating without required sprinklers can halt occupancy, void permits, force costly retrofit, expose owners to civil liability after fires, and trigger Minneapolis Fire Marshal and state contractor licensing enforcement.
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See how Minneapolis's fire sprinkler requirements rules stack up against other locations.
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