MGL c. 186 § 15B(4) - Landlord must return deposit within 30 days after termination: Massachusetts statute explainer

Plain-English explanation of deposit return deadline with actionable next steps.

Reviewed: 2026-03-03

Reviewer: ReclaimDeposit legal research team

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Deadline context

30 days

Penalty context

3x damages

Primary statute

MGL c. 186 § 15B

Official section source

How to use this statute in your case

Use move-out and key-return records to establish the deadline clock.
If response was late, preserve all communication and postmark evidence.
Reference this statute section directly in your demand letter.

Frequently asked questions

Quick answers to the questions renters usually have before citing this statute in a demand letter or court filing.

What does MGL c. 186 § 15B(4) - Landlord must return deposit within 30 days after termination mean for Massachusetts tenants?

This section governs deposit return deadline and should be cited when disputing wrongful withholding under Massachusetts law.

How long does a Massachusetts landlord have to return the deposit?

30 days after termination of occupancy (30 days).

What penalties can apply if my landlord violates MGL c. 186 § 15B(4) - Landlord must return deposit within 30 days after termination?

3x deposit + interest + attorney fees + court costs.

Next steps

Turn this citation into an actionable demand and timeline.

Calculate deadline State demand template Small claims path