Chino Hills, CA Fire Regulations: Smoke Detectors (2026)

Chino Hills does not set its own smoke-alarm standard; residential smoke and carbon monoxide alarm requirements come from California state law and the California Building/Fire codes, enforced locally by the Chino Valley Independent Fire District and city building officials. Under California Health & Safety Code Section 13113.7, smoke alarms approved by the State Fire Marshal must be installed in all dwelling units intended for human occupancy. Consistent with the building standards for new construction, alarms must be placed in each bedroom, outside each sleeping area (in the immediate vicinity of bedrooms), and on each level of the home, including basements. For carbon monoxide, Health & Safety Code Section 17926 requires the owner of any dwelling unit intended for human occupancy to install a carbon monoxide device — approved and listed by the State Fire Marshal — in each existing dwelling unit that has a fossil-fuel-burning heater or appliance, a fireplace, or an attached garage. The compliance deadlines have long passed: single-family homes were required to comply on or before July 1, 2011, and all other existing dwelling units on or before January 1, 2013. Owners must install the devices consistent with the building standards for new construction or the manufacturer's instructions. These requirements apply to owner-occupied homes and rentals alike across Chino Hills. When a home is sold or a building permit is pulled for certain work, the city or District typically verifies that compliant smoke and CO alarms are in place.