Massachusetts Rent Late Fees: The Legal Limit and What a Fee Costs

Massachusetts does not cap the amount of a late fee. It regulates the timing instead: no late fee at all until rent is 30 days overdue. A 30-day grace period applies first. Source: M.G.L. ch. 186, § 15B, verified November 7, 2026.

Last updated: October 2026

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The short answer: Massachusetts does not cap the amount of a late fee. It regulates the timing instead: no late fee at all until rent is 30 days overdue. A late fee may not be assessed until the 30-day grace period has run. The governing provision is M.G.L. ch. 186, § 15B, verified November 7, 2026.

Massachusetts works differently from most states on our index: rather than capping the amount, it bars a late fee until rent is 30 days overdue.

What the Massachusetts Statute Sets

Statutory ceilingNo fee until rent is 30 days overdue
Grace period30 days
StatuteM.G.L. ch. 186, § 15B
VerifiedNovember 7, 2026
Applies toResidential tenancies. This page does not cover commercial leases; for one, check the lease.

Laws change. The figure above reflects the statute as read on November 7, 2026, and the link goes to the official text so the current version can be checked directly.

Massachusetts Late Fee Calculator

Pre-filled with Massachusetts's 30-day grace period. Adjust the numbers to match the lease.

$

Your base monthly rent

$

The one-time fee charged when rent is late (enter 0 if the lease only charges a daily fee)

$

Any per-day charge that accrues while rent stays unpaid (enter 0 if none)

days

How many days past the due date rent is paid

days

Days after the due date before a fee applies, if the lease has one (enter 0 if none)

Total Late Charge

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Share of One Month's Rent

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Cost If It Recurred Monthly

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Days Subject to Daily Fee

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Enter your numbers to see results.

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What a Fee at the Massachusetts Ceiling Costs

The statutory ceiling is a percentage or dollar figure, which makes it abstract until it meets a real rent number. Here is what the ceiling works out to across common rent levels in Massachusetts, and what the same charge would total if it recurred every month for a year.

Monthly rentStatutory ceiling on the feeWhat that represents
$1,000No fee permitted until rent is 30 days overdue—
$1,500No fee permitted until rent is 30 days overdue—
$2,000No fee permitted until rent is 30 days overdue—
$2,500No fee permitted until rent is 30 days overdue—

The right-hand column is the figure that tends to surprise people. A late fee reads as a one-time nuisance, but a charge that repeats monthly is a recurring cost on the order of a rent increase.

When There Is No Written Lease

Month-to-month and handshake tenancies are common in Massachusetts, and they raise a question the statute books answer indirectly: a late fee is a contract term, and an oral tenancy still has terms. A statutory cap comes from the statute, not the lease, so it can still matter when nothing was signed. What is missing is a written record of what was agreed.

Three things tend to matter in that situation. The first is whether the fee was ever communicated at all before it was charged. The second is whether rent has been paid late before without a fee being assessed, since a consistent past practice is itself evidence of what the parties understood the arrangement to be. The third is the record of payment dates — bank transfers, money order stubs, text messages acknowledging receipt — which establishes when rent actually arrived rather than when it was recorded.

How Massachusetts Compares to Neighboring States

Late fee rules change sharply at state lines, which matters for anyone comparing rentals across a metro area that spans two states.

StateStatutory late fee limitGrace periodSource
ConnecticutLesser of $5/day (max $50) or 5% of rentRent must remain unpaid for nine days after the due date (four days for a one-week tenancy)Conn. Gen. Stat. § 47a-15a
Rhode IslandNo statutory capNone set by statuteSet by the lease
New HampshireNo statutory capNone set by statuteSet by the lease
New YorkLesser of $50 or 5% of monthly rent5 daysN.Y. Real Prop. Law § 238-a

The full picture across all 51 jurisdictions is on the late fees by state index.

Common Questions About Massachusetts Late Fees

What is the maximum late fee a landlord can charge in Massachusetts?

Massachusetts sets the ceiling at no late fee at all until rent is 30 days overdue under M.G.L. ch. 186, § 15B, verified as of November 7, 2026. A 30-day grace period applies before a fee may be assessed. A lease may set a lower fee than the statutory ceiling, but a figure above it exceeds what the statute permits.

Does Massachusetts require a grace period before a late fee applies?

Yes. M.G.L. ch. 186, § 15B provides that a 30-day grace period runs before a late fee may be charged, as of November 7, 2026. Check the statute for how the days are counted. Laws change, so confirm the current text.

Can a late fee in Massachusetts be charged more than once on the same late rent?

That depends on how the lease is written. A single flat fee per late payment is the most common structure. Some leases add a daily charge that accrues while rent stays unpaid, which compounds the total well beyond the headline figure — the calculator on this page separates the flat fee from the daily accrual so the two are visible independently. The statutory ceiling in Massachusetts is no fee until rent is 30 days overdue.

What happens if a lease in Massachusetts sets a late fee above the statutory cap?

A lease figure above the statutory limit goes beyond what the statute allows. What follows depends on the facts and on how the statute is applied, so a local tenant resource or a lawyer is the place to ask. Keep the lease, what was charged, and the payment record. Massachusetts's provision is at M.G.L. ch. 186, § 15B.

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