Smoke and Carbon Monoxide Detector Inspections
The Chelmsford Fire Department inspects all homes for sale in the Town of Chelmsford per MGL Ch. 148 Secs, 26F and 26F 1/2.
Please use the CFD Online Permitting System to schedule a smoke detector inspection. To apply for a smoke detector/carbon monoxide detector inspection:
- Visit the Town of Chelmsford online permitting system;
- If you don't already have an account on the Town of Chelmsford permitting system, create a new account. Otherwise,
- Click New Application at the top right of the page;
- Click on the Fire Extinguisher icon;
- Select Smoke/CO Detector Inspection from the list of permit choices; and
- Fill out the required information.
- When fire strikes, you may have less than one minute to safely get out of the building?
- 3,000 people die each year in fires in the United States?
- Carbon monoxide (CO) is poisonous, odorless, colorless, and tasteless and can be fatal if inhaled?
- Smoke alarms and carbon monoxide detectors are required in every residential building in Massachusetts?
- In order to sell your home in Massachusetts, you are required to obtain a smoke detector/carbon monoxide detector certificate from your local fire department?
- Smoke detector and carbon monoxide detector inspections can be applied for on our quick and easy to use online permitting website! @(Model.BulletStyle == CivicPlus.Entities.Modules.Layout.Enums.BulletStyle.Decimal ? "ol" : "ul")>
- An inspection for smoke detectors and carbon monoxide detectors are generally required to sell your home.
- Inspections can ONLY be scheduled online.
- We perform inspections for the sale of a home on Tuesday and Thursday between 1PM and 3PM only. We are not able to guarantee a time during this slot, so a responsible adult (18+) needs to be on site for the inspection to take place.
- The cost of inspection is based on the number of units to be inspected -Single family or unit $50, Two Family or units $100, three to six units $150, and seven units and greater $500.
- Please refer to the chart below for information regarding placement of smoke detectors. Detectors must generally be placed on a ceiling although there are some exceptions to this. Call the Fire Prevention Office at (978) 251-4288 if you have questions. you may also refer to the guidelines from the State Fire Marshal's Office in this document
- Please request all inspections at least 24-48 hours in advance. Inspection Fees must be paid before the inspection will be scheduled. Inspection requests received within 24 hours of the requested inspection will be considered on a case-by-case basis.
|Massachusetts Guidelines for Smoke and Carbon Monoxide Alarm Requirements|
|Year built or substantially modified (per building permit issue date)|
1975 - 8/27/1997
8/27/1997 - 9/1/2008
9/1/2008 - 2/1/2011
2/1/2011 - Present
|Smoke Alarm Power Supply||Battery or Hardwired||Hardwired, Interconnected||Hardwired, Interconnected w/ battery backup||Hardwired, interconnected w/ battery backup||Hardwired, interconnected w/battery backup|
|Type of Smoke Alarm Technology (Photoelectric or Ionization)|
|On the same level, if a required detector is located more than 20 feet from a kitchen or full bathroom doorway, it shall be:||Photoelectric with a sealed 10-year nonrechargeable, nonreplaceable battery||Photoelectric OR Ionization||Photoelectric OR Ionization||Photoelectric OR Dual Detector*||Photoelectric ONLY|
|On the same level, if a required detector is located less than 20 feet from a kitchen or full bathroom doorway, it shall be:||Photoelectric with a sealed 10-year nonrechargeable, nonreplaceable battery||Photoelectric OR Ionization||Photoelectric ONLY||Photoelectric ONLY||Photoelectric ONLY|
|Smoke Alarm Placement|
|On every habitable level & including the basement level on the CEILING; at the base of each stairway leading to an occupied floor above||Smoke||Smoke||Smoke||Smoke||Smoke|
|On CEILING outside each sleeping area in hallway||Smoke||Smoke||Smoke||Smoke||Smoke|
|Inside every bedroom||Not Required||Not Required||Smoke||Smoke||Smoke|
|Finished attic (habitable)||Smoke||Smoke||Smoke||Smoke||Smoke|
|Garage (Attached)||Not Required||Not Required||Not Required||Heat Detector||Heat Detector|
|Carbon Monoxide (CO) Alarm Power Supply and Placement|
|Battery, or plug in with battery backup||Allowed||Allowed||Allowed||Not Allowed||Not Allowed|
|Hardwired, interconnected w/ battery backup||Allowed||Allowed||Allowed||Required||Required|
|ALARM PLACEMENT - A CO alarm shall be located on each habitable level, including finished portions of basements and attics. A CO alarm shall be placed in the hallway outside each separate sleeping area (where bedrooms are located, NO FARTHER THAN 10 FEET FROM ANY BEDROOM DOOR.|
All detectors must be less than 10 years old. One smoke alarm is necessary for every 1,200 square feet of area or portion thereof, per floor.
COMBINATION SMOKE & CARBON MONOXIDE ALARMS MUST HAVE BOTH A TONE AND A SIMULATED VOICE FEATURE. BATTERY POWERED DETECTORS WHERE ALLOWED SHALL HAVE A 10 YEAR SEALED BATTERY
*Dual detectors are a single smoke detector that uses both photoelectric and ionization technology.