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The Smoke and CO Certificate: The Cheapest Thing That Delays Massachusetts Closings

Under 1 min read
September 18, 2026
THE BOTTOM LINE

Massachusetts sellers must obtain a fire department Certificate of Compliance for smoke and CO alarms before transferring residential property. It is cheap and fast, but fire department scheduling makes it a common closing delay.

WHO NEEDS THIS

Anyone selling residential property in Massachusetts, and buyers verifying the seller's obligations.

KEY INSIGHTS
  • Seller's obligation under M.G.L. c. 148 §26F and §26F½
  • Local fire department inspects and issues the certificate
  • Expired alarms are the most common failure, even if they still beep
  • Certificates carry a local expiration, commonly cited as 60 days
  • Book at accepted offer, not the week of closing
DO THIS NEXT

Flip over every alarm in the house and check the manufacture date today.

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