Massachusetts Rent Late Fee Laws
Quick answer
Massachusetts sets no fixed dollar/percentage cap on rent late fees — the fee must be a reasonable estimate of the landlord's actual damages and be stated in the lease.
Maximum late fee
No cap (reasonable)
Grace period
30 days
Statute
M.G.L. c. 186 § 15B(1)(c)
* shown for a $1500.00 rent, 10 days late. Use the calculator for your numbers.
Late-Fee Compliance
Check the legal maximum late fee, grace period & cap for all 50 states + DC — before you charge.
Informational only — not legal advice. Late-fee rules change and local ordinances may be stricter than the state rule. The fee must also be stated in the signed lease and, where no statutory cap exists, be a reasonable estimate of actual damages. Verify against current law before charging. Legal data last reviewed 2026-01.
Example
On $1500.00 monthly rent that’s 10 days late in Massachusetts, the maximum legal late fee is not capped by a fixed amount. (Within the 30-day grace period, no fee may be charged yet.)
Massachusetts late fee FAQ
What is the maximum late fee a landlord can charge in Massachusetts?
Massachusetts has no statutory cap. The fee must be reasonable and disclosed in the lease.
Is there a grace period for late rent in Massachusetts?
Yes — by statute, Massachusetts provides a 30-day grace period before a late fee may be charged.
Is a late fee legal if it isn't in the lease?
Generally no. In every state a late fee must be disclosed in the signed lease to be enforceable, regardless of any cap.
Other states
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Start managing rent →Informational only — not legal advice. Late-fee rules change and local ordinances may be stricter than the state rule. The fee must also be stated in the signed lease and, where no statutory cap exists, be a reasonable estimate of actual damages. Verify against current law before charging. Legal data last reviewed 2026-01.