Tucson requires smoke alarms in every sleeping room, outside each sleeping area, and on every level of all residences under the International Residential Code as adopted by Tucson Building Code. Interconnected hardwired alarms with battery backup are required in new construction and major remodels.
Existing homes must have alarms that meet the code in effect at the time of construction, but sellers are responsible for ensuring working alarms at transfer under Arizona landlord tenant and disclosure rules. CO alarms are required in dwellings with fuel-burning appliances or attached garages. STR properties must pass an annual self-certification confirming all alarms are operational. Ten-year sealed lithium battery alarms are allowed as battery-only replacements where hardwiring is infeasible.
Building code violations can delay certificates of occupancy. STR self-certification failures trigger license suspension. Landlords face habitability claims from tenants if alarms are not provided and maintained.
Other ordinances people look up for this city. Green dot = verified primary-source excerpt.
Tucson, AZ
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