Rent Late Fee Calculator — Massachusetts
Massachusetts sets no fixed late-fee cap — the fee must be reasonable and written into the lease. A late fee may not be charged until the rent is more than 30 days late.
We'll check it against your state's legal cap.
Maximum lawful late fee
No fixed cap
No fixed statutory cap — the fee must be reasonable and stated in the lease.
Not legal advice. LandlordKit provides general informational tools, not legal advice. Landlord-tenant laws change and vary by city and county. Verify the cited statute and consult a licensed attorney before acting on any result.
Massachusetts late fee rules
Massachusetts sets no fixed late-fee cap — the fee must be reasonable and written into the lease. A late fee may not be charged until the rent is more than 30 days late.
Last verified June 12, 2026.
Massachusetts late fee FAQ
What is the maximum late fee a landlord can charge in Massachusetts?+
Massachusetts has no fixed statutory cap. The late fee must be reasonable and stated in the lease. Massachusetts prohibits charging a late fee until the rent is 30 days late. (Mass. Gen. Laws ch. 186, § 15B(1)(c)).
Is there a grace period for late rent in Massachusetts?+
Yes — a late fee cannot be charged until the rent is more than 30 days late.
Can a late fee exceed the legal cap if the lease says so?+
No. A lease clause that sets a late fee above the state's legal limit is generally void and unenforceable, even if the tenant signed it.
Is this late fee calculator free?+
Yes — it's free and requires no signup.