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Smoke & Carbon Monoxide Requirements
...when selling a One or Two-Family residence
Massachusetts Department of Fire Services
www. mass.gov/dfs
Homes Permitted: BEFORE: 1975
Smoke detectors are required as follows:
- Smoke detector on every habitable level of the residence.
- Smoke detector on the ceiling at the base of each stairway.
- Smoke detector on the ceiling outside of each separate sleeping area.
- Smoke detector may either be battery powered, hardwired or combination of the two.
- A minimum of one smoke detector must be installed for every 1,200 sqft. of living space per level.
- If smoke detector is located within 20 feet of a kitchen or bathroom (containing a bathtub or shower) smoke detector must be PHOTOELECTRIC.
- If located 20 feet outside of a kitchen or bathroom, you must utilize either a dual smoke detector with both PHOTOELECTRIC and IONIZATION. Or, two separate smoke detectors: one PHOTOELECTRIC and one IONIZATION.
Carbon Monoxide (CO) detectors are required as follows:
- CO detectors on every level of residence, including habitable portions of basements and attics. CO detectors MUST be located within 10 feet of each bedroom door.
- Combination detectors may be used.
Ex 1: PHOTOELECTRIC Smoke / CO detector if placed within 20 feet of a
kitchen or bathroom.
Ex 2: IONIZATION Smoke / CO detector if placed 20 feet outside of a kitchen
or bathroom.
- CO detectors may be either: battery powered, plug-in with battery backup, or hardwired with battery backup.
- Follow the manufacturer's instructions for installation.
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Homes Permitted:
BETWEEN: 1975 and August 27, 1997
Smoke detectors are required as follows:
- Smoke detector on every habitable level of the residence.
- Smoke detector on the ceiling at the base of each stairway.
- Smoke detector on the ceiling outside of each separate sleeping area.
- Smoke detector MUST be hardwired and interconnected.
- A minimum of one smoke detector must be installed for every 1,200 sqft. of living space per level.
- If smoke detector is located within 20 feet of a kitchen or bathroom (containing a bathtub or shower) smoke detector must be PHOTOELECTRIC.
Carbon Monoxide (CO) detectors are required as follows:
- CO detectors on every level of residence, including habitable portions of basements and attics. CO detectors MUST be located within 10 feet of each bedroom door.
- Combination detectors (Photoelectric / CO) may be used.
- CO detectors may be either: battery powered, plug-in with battery backup, or hardwired with battery backup.
- Follow the manufacturer's instructions for installation.
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Homes Permitted:
AFTER: August 27, 1997
Smoke detectors are required as follows:
- Smoke detector on every habitable level of the residence.
- Smoke detector on the ceiling at the base of each stairway.
- Smoke detector on the ceiling outside of each separate sleeping area.
- One smoke detector INSIDE of every bedroom.
- Smoke detector must be hardwired and interconnected.
- A minimum of one smoke detector must be installed for every 1,200 sqft. of living space per level.
- If smoke detector is located within 20 feet of a kitchen or bathroom (containing a bathtub or shower) smoke detector must be PHOTOELECTRIC.
Carbon Monoxide (CO) detectors are required as follows:
- CO detectors on every level of residence, including habitable portions of basements and attics. CO detectors MUST be located within 10 feet of each bedroom door.
- Combination detectors (Photoelectric / CO) may be used.
- CO detectors may be either: battery powered, plug-in with battery backup, or hardwired with battery backup.
- Follow the manufacturer's instructions for installation.
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Homes Permitted:
ON or AFTER: January 1, 2008
Smoke detectors are required as follows:
- Smoke detector on every habitable level of the residence.
- Smoke detector on the ceiling at the base of each stairway.
- Smoke detector on the ceiling outside of each separate sleeping area.
- One smoke detector INSIDE of every bedroom.
- Smoke detector must be hardwired and interconnected.
- A minimum of one smoke detector must be installed for every 1,200 sqft. of living space per level.
- If smoke detector is located within 20 feet of a kitchen or bathroom (containing a bathtub or shower) smoke detector must be PHOTOELECTRIC.
- If located 20 feet outside of a kitchen or bathroom, the smoke detector is required to be either a PHOTOELECTRIC detector or a dual smoke detector with both PHOTOELECTRIC and IONIZATION. .
Carbon Monoxide (CO) detectors are required as follows:
- CO detectors on every level of residence, including habitable portions of basements and attics. CO detectors MUST be located within 10 feet of each bedroom door.
- Combination detectors (Photoelectric / CO) may be used.
- CO detectors MUST be hardwired and interconnected with battery backup.
Heat detectors are required as follows:
- Must have a single heat detector in any garage attached to or under the residence.
- Must be hardwired and interconnected with existing smoke detection system.
- Heat detectors not required in older homes unless renovations, additions or modification occurs after January 1, 2008.
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Any additional questions regarding the proper installation of smoke detectors and or carbon monoxide detectors, contact: Lt. Patrick Saltmarsh at 508-758-4150 or email: psaltmarsh@mattapoisett.net
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