Massachusetts Smoke Alarm Rules: Tenant Duties & Landlord Obligations

Understanding smoke alarm requirements is essential for tenants renting in Massachusetts. Not only are smoke alarms vital for your safety, but they are also required by state law. Both renters and landlords have specific duties to ensure these safety devices work properly. This guide breaks down what you need to know, where to find the rules, and what to do if your smoke alarm isn’t working.

Who Is Responsible for Smoke Alarms in Massachusetts Rentals?

Under Massachusetts law, landlords must provide and maintain working smoke alarms in all rental units. Tenants are required to help keep them in working order by not disabling them and reporting any problems promptly.

Landlord Obligations

  • Install smoke alarms in required locations: outside each sleeping area, on every habitable level, and in basements.
  • Ensure smoke alarms are approved models and in working condition at the start of the tenancy.
  • Replace alarms and batteries as required by manufacturer instructions and state law.
  • Test alarms at every rental turnover or before a new tenant moves in.
  • Provide written notice to tenants about the smoke alarm locations and testing procedures.

The main rules are set out by the Massachusetts Department of Fire Services and are enforced at the city and state levels.

Tenant Duties

  • Test smoke alarms monthly (usually by pressing the test button).
  • Report any missing, malfunctioning, or disabled alarms to your landlord immediately.
  • Never remove or disable a smoke alarm, including unplugging or removing batteries (except to replace them).
  • Replace batteries if you are required to do so and it is safe (for most rentals, the landlord is responsible, but check your lease).

Tenants are not responsible for replacing alarms themselves, but may be required to replace batteries if it's in the rental agreement.

What Are the Legal Requirements for Smoke Alarms?

The Massachusetts General Laws Chapter 148, Section 26F requires smoke detectors in all residential properties. Additional rules apply if your building is being sold, renovated, or is a multi-unit dwelling.

  • Alarms must be on every level and outside every bedroom.
  • Hardwired alarms are required in some building types, such as new or extensively renovated structures.
  • If you live in an older building, alarms may be battery-operated unless local regulations require upgrades.
  • Carbon monoxide alarms are also mandatory in most rentals; see state rules for details.

Official Forms and Reporting a Problem

Massachusetts does not require a specific form for tenants to report a smoke alarm problem. However, if your landlord does not respond or repair a faulty or missing alarm, you may use the following resources:

  • Board of Health Complaint Form: Most Massachusetts cities and towns have a local Board of Health. Use your municipality’s Rental Housing Complaint form if your landlord doesn’t fix smoke alarms after written notice. Example for Boston: Report a housing code violation. First, notify your landlord in writing (email or letter); then, file the municipal form if needed.
  • Massachusetts State Sanitary Code: Violations can also be reported under the state code. See: 105 CMR 410.482 for official requirements on fire protection and smoke detectors.

Once you file with your municipality, a health inspector may visit your rental to check the alarms and require the landlord to fix any issues.

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What If My Landlord Doesn’t Fix a Broken Smoke Alarm?

If you’ve notified your landlord in writing about a non-working smoke alarm and they do not respond promptly, you have several options:

  • Contact your municipal Board of Health to request an inspection or file a housing code complaint.
  • Keep a record of all written communication for your own safety.
  • In emergencies, contact your local fire department or call 911 if you believe your safety is in immediate danger.
Always communicate with your landlord in writing when reporting safety issues. Keep dated copies for your records.

What Tribunal Handles Rental Disputes?

The official body for resolving residential tenancy disputes in Massachusetts is the Massachusetts Housing Court. This tribunal deals with health and safety complaints, repairs, evictions, and a range of landlord-tenant matters.

If You’re Moving In or Out: Smoke Alarm Inspection Certificate

If your rental unit or building is being sold or a new unit is created, the property must obtain a Certificate of Compliance for Smoke Detectors from the local fire department. While tenants are not the primary applicant, you may request proof that your unit meets code if you’re unsure. More info can be found at your local fire department's site or via the state smoke alarm page.

FAQ: Smoke Alarms and Tenant Rights in Massachusetts

  1. Do I have to test my smoke alarm if I rent in Massachusetts?
    Yes, tenants should test smoke alarms monthly and report problems to landlords. Regular testing helps ensure your safety and meets state rules.
  2. Can my landlord enter my apartment to inspect or repair the smoke alarm?
    Yes, with reasonable notice and at reasonable times, landlords may enter to test or repair alarms as allowed by law. You must allow access for these safety repairs.
  3. What should I do if my landlord won’t fix or replace a smoke alarm?
    If your landlord does not respond after written notice, you may file a complaint with your city or town’s Board of Health. An inspector can issue an order requiring your landlord to fix the problem.
  4. Are carbon monoxide alarms also required in Massachusetts rentals?
    Yes. In addition to smoke alarms, most rental properties must also have working carbon monoxide detectors. For details on these requirements, see the Department of Fire Services carbon monoxide resources.
  5. I replaced the battery but my smoke alarm still beeps—what’s next?
    If changing the battery does not stop the beeping, notify your landlord immediately. There could be a malfunction requiring a full replacement.

Conclusion: Key Takeaways for Renters

  • Landlords must provide and maintain working smoke alarms in all rental units.
  • Tenants must not disable alarms and should report any issues quickly.
  • Always address safety concerns in writing and reach out to your local Board of Health if your landlord does not act.

Staying informed about Massachusetts smoke alarm rules helps protect your safety and your rights as a renter.

Need Help? Resources for Renters


  1. Smoke Alarm Requirements for Homeowners and Landlords – Massachusetts Department of Fire Services
  2. Massachusetts General Laws Chapter 148, Section 26F
  3. State Sanitary Code, 105 CMR 410.482
  4. Massachusetts Housing Court
  5. Carbon Monoxide Information for Homeowners and Landlords
Bob Jones
Bob Jones

Editor & Researcher, Renter Rights USA

Bob writes and reviews tenant law content for various regions. They’re passionate about housing justice and simplifying legal protections for tenants everywhere.