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.