How to Write a Legal Security Deposit Demand Letter in Massachusetts
In Massachusetts, security deposits are governed by Massachusetts General Laws ch. 186 § 15B. Landlords must return your deposit within 30 days of move-out, and wrongful withholding can expose them to damages of 3× the wrongfully withheld amount plus interest.
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Generate free preview →Massachusetts security deposit law at a glance
- Governing statute
- Massachusetts General Laws ch. 186 § 15B
- Cite in your letter as
- M.G.L. c. 186 § 15B
- Return deadline
- 30 days after move-out
- Penalty for bad faith
- 3× the wrongfully withheld amount
- Small claims limit
- $7,000
5 steps to a demand letter that gets a response
- 1
State the facts up front
Open with your deposit amount, the property address, and your move-out date. Make clear you are formally disputing the deductions — not asking a favor.
- 2
Cite M.G.L. c. 186 § 15B
Reference Massachusetts General Laws ch. 186 § 15B by name. Massachusetts landlords must return the deposit within 30 days and may only withhold for damage beyond normal wear and tear. Naming the statute signals you know your rights.
- 3
Itemize every disputed charge
List each deduction and explain why it is not lawful — routine cleaning, repainting, and ordinary carpet wear are the landlord's cost of doing business, not yours.
- 4
State the penalty exposure
Spell out that wrongful withholding under M.G.L. c. 186 § 15B can expose the landlord to damages of 3× the wrongfully withheld amount plus interest. This is what moves landlords to settle.
- 5
Set a deadline and send certified
Demand return within 30 days and send the letter via USPS Certified Mail with Return Receipt. The receipt is your proof of delivery if you end up in Massachusetts small claims court (limit $7,000).
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Frequently Asked Questions
What law governs security deposit demand letters in Massachusetts?
Massachusetts General Laws ch. 186 § 15B (cited in letters as M.G.L. c. 186 § 15B) governs security deposits in Massachusetts. It requires return within 30 days of move-out and limits deductions to damage beyond normal wear and tear.
How much can I demand in Massachusetts?
You can demand the full amount that was wrongfully withheld. If the landlord acted in bad faith, M.G.L. c. 186 § 15B allows for damages of 3× the wrongfully withheld amount plus interest, which you can pursue in small claims court (Massachusetts limit: $7,000).
Do I have to send the demand letter by certified mail in Massachusetts?
It is not always legally required, but it is strongly recommended. Certified mail with a return receipt proves the landlord received your demand and started the clock — essential evidence if you file in Massachusetts small claims court.
Can I see a Massachusetts demand letter before I pay?
Yes. You can generate a free instant preview of a Massachusetts security deposit demand letter — citing M.G.L. c. 186 § 15B — with no account or payment required.
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