Smoke Detectors: Cambridge vs Somerville
How do smoke detectors rules compare between Cambridge, MA and Somerville, MA?
Cambridge and Somerville have similar restriction levels.
Cambridge, MA
Middlesex County
Cambridge enforces strict smoke and carbon monoxide detector rules under MGL c.148 s.26F and 527 CMR 1.00. Cambridge Fire Department inspects every home at point of sale and issues a required Certificate of Compliance.
View full Cambridge rules →Somerville, MA
Middlesex County
Massachusetts requires smoke and carbon monoxide detectors in every dwelling. Somerville Fire Department inspects before any sale or transfer of residential property under MGL c.148 s.26F.
View full Somerville rules →Key Facts Comparison
| Fact | Cambridge | Somerville |
|---|---|---|
| Statute | MGL c.148 s.26F | - |
| Photoelectric alarms | Required within 20 feet of kitchens | - |
| CO alarms | Every level with fuel appliance | - |
| Point of sale inspection | Mandatory | - |
| Inspection contact | 617-349-4900 | - |
| State law | - | MGL c.148 s.26F and 26F-1/2 |
| Pre-sale inspection | - | Required by Somerville Fire |
| Carbon monoxide | - | Required outside sleeping areas |
| New construction | - | Hardwired interconnected |
| Inspection fee | - | From 50 dollars |
Highlighted rows indicate differences between cities.
Cambridge FAQ
Do I need to replace battery smoke alarms before selling my Cambridge home?
Yes, pre-1975 homes can keep battery alarms but they must be 10-year sealed models meeting current UL 217 standards.
How do I schedule a Cambridge smoke certificate inspection?
Call Cambridge Fire Prevention at 617-349-4900 at least 2 weeks before your closing date.
Somerville FAQ
Do I need an inspection before selling my home?
Yes. Somerville Fire must issue a smoke and CO compliance certificate before any sale or transfer.
Are battery detectors allowed?
In 1-2 family homes built before 1975, yes. Newer homes need hardwired interconnected units.
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