When can a Massachusetts landlord charge a late fee?

Under M.G.L. c.186 §15B, a Massachusetts landlord may not charge a late fee until rent is more than 30 days overdue.

Is there a maximum late fee in Massachusetts?

Massachusetts does not impose a statutory maximum late fee, but the amount must be reasonable and disclosed in the lease.

State rules

Massachusetts Late Rent Fee Rules

Statutory limits on late fees under M.G.L. c.186 §15B

Statutory floor

30 days

No late fee may be charged until rent is more than 30 days past due

Maximum fee

No statewide cap

Amount must be reasonable and disclosed in the lease

Key rules for Massachusetts landlords

✓The late fee clock starts after the 30-day grace period — not on the due date.
✓The fee must be disclosed in the lease agreement to be enforceable.

Source: M.G.L. c.186 §15B. This tool is for informational purposes only and does not constitute legal advice. Consult a Massachusetts attorney for specific guidance.

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