Security deposit demand letter in Massachusetts

30 days after the tenancy ends (M.G.L. c. 186, § 15B).

Answer a few questions about your rental. If the statute's deadline has passed, you get a demand letter in your own name that restates what M.G.L. c. 186, § 15B says, with citations.

• The letter PDF is free.
• For $21, we print it and send it to your landlord by USPS Certified Mail with tracking.

Statute: M.G.L. c. 186, § 15B. Read the statute.

More about Massachusetts

• Security deposit return deadline in Massachusetts
• What the Massachusetts letter says
• Small claims limit in Massachusetts

Last reviewed: October 2026