You moved out, there was the usual back and forth about a cleaning charge, and your landlord returned the deposit in full. Weeks later a message arrives asking you to pay for something else. One Boston renter put it exactly: "he ended up giving back our full deposit. Now he wants us to pay."
The most common answer you will get is that more than 30 days have passed, so they cannot ask. That is not right.
Massachusetts' 30-day rule is real, but it covers something narrower than people think.
What the 30-day rule actually covers
The deadline. Section 15B(4): "The lessor shall, within thirty days after the termination of occupancy… return to the tenant the security deposit or any balance thereof."
The standard for keeping any of it. A landlord deducting for damage must provide "an itemized list of damages, sworn to by the lessor or his agent under pains and penalties of perjury, itemizing in precise detail the nature of the damage and of the repairs necessary to correct such damage," along with written evidence such as estimates, bills, invoices or receipts.
The penalty for getting it wrong. Section 15B(6): a landlord who fails to comply "shall forfeit his right to retain any portion of the security deposit for any reason," and loses the right to counterclaim for damage in a tenant's action to recover the deposit.
And the limit. All of that is about the deposit. It is a strict set of rules governing one specific pot of money. It is not a 30-day amnesty on everything that could ever be claimed.
That distinction, between the deposit deadline and every other kind of claim a landlord could bring, is what the popular answer misses. Section 15B is tough on landlords, and a landlord who mishandles a deposit can lose the right to keep any of it. But "you missed the 30-day deposit deadline" and "you can never ask me for money again" are different statements, and only the first one is in the statute.
Four clocks people mix up
The 30-day deposit deadline is the only short one. The other three clocks in Massachusetts run for years.
| The clock | How long | What it governs |
|---|---|---|
| Returning the deposit and itemizing deductions | 30 days from termination of occupancy | M.G.L. c. 186, § 15B(4). Miss it and § 15B(6) forfeits the right to retain any of the deposit |
| A claim based on the lease | 6 years | The ordinary contract limitations period in Massachusetts. Most landlord-tenant claims are contract claims, because they rest on a lease |
| A claim for property damage | 3 years | The tort limitations period |
| Enforcing a small claims judgment | 20 years | Once a judgment exists in Massachusetts, it is enforceable for a long time |
Putting them side by side is the clearest way to see why the popular answer is wrong. The 30-day figure is short because it is a consumer-protection deadline aimed at one thing. The periods governing whether someone can bring a claim at all are measured in years.
A landlord who returned your deposit can't necessarily bill you for whatever they like afterwards, but the reason is unlikely to be the calendar. It's more likely the standard of proof a landlord has to meet, and the practical question of whether suing over a small amount is worth their time.
What a landlord actually has to prove
A landlord charging you for damage has to give you a sworn, itemized list describing the damage and repairs in precise detail, backed by written evidence. That is stricter than most renters realize. A text message saying "the new tenants wanted it professionally cleaned, that's $200" is not remotely that. It is not a sworn statement, it is not itemized in precise detail, and "the next tenant preferred it cleaner" is not damage.
There is also a line the statute draws explicitly: deductions can cover unpaid rent or water charges, unpaid real estate tax increases under a lease tax clause that meets M.G.L. c. 186, § 15C, and reasonable repair costs for damage caused by the tenant, excluding normal wear and tear. That last exclusion does a lot of work and is where most disputes actually live. We have covered where that line falls in our guides to lease clauses that aren't enforceable in Massachusetts and how to read a Boston apartment lease, and the deposit-specific mechanics are in itemized receipts and deposit rights.
The useful question is what exactly this charge is for, and what evidence supports it, not whether it has been 30 days.
Two categories of charge tend to arrive after a move-out, and they are worth telling apart because they behave differently. The first is a genuine cost the landlord says you caused: a broken fixture, a hole in a wall, a carpet that needed replacing rather than cleaning. The second is a cost the landlord incurred for their own reasons after you left, usually to get the unit ready for whoever comes next. Turnover costs are an ordinary expense of being a landlord. A charge in the second category is much harder to characterize as damage caused by you, whatever it cost them.
The timing of the request tells you something too. An itemized, sworn list arriving inside the 30-day window is a landlord following the statute. A message arriving weeks later, with a number but no breakdown, is a landlord asking rather than a landlord documenting. Both may be made in good faith. Only one of them has met the standard the statute sets.
What actually tends to happen
The practical position points the same way as the legal one. Filing in small claims is cheap and available to a landlord, but it still costs a filing fee, a day of their time, and the burden of proving the claim, separate from what the law itself requires. For a small charge, especially after a landlord has already returned your full deposit, that is a real calculation rather than a formality.
And a landlord who has already returned the deposit in full has made their own case harder. Returning it may not count as a legal admission, but it is an awkward fact to explain to a judge who asks why the money went back if the tenant owed for damage.
None of which is a promise about how any particular dispute ends. This guide is not telling you that you would win, and it is not telling you to ignore the bill. Ignoring correspondence is how a small disagreement becomes a judgment entered against you because nobody turned up. Whether returning the deposit closes off a later claim entirely is a question this guide deliberately does not answer, because the answer depends on the facts and on advice we are not in a position to give.
If you get a demand after moving out
A few things are worth doing regardless of how it ends.
Ask what the charge is for, in writing. Not confrontationally. A plain request for the specific item and the evidence behind it is reasonable, and it tends to resolve weak claims on its own.
Keep the record of the deposit being returned. Dates, amounts, and any message that accompanied it.
Keep your move-in evidence. If you did a Statement of Condition when you arrived, that is the other end of the same evidence trail, and it is often the document that settles arguments about condition. Our guide to what to do when an apartment isn't ready on move-in day covers how that form works and why it matters more than renters assume.
Do not ignore it, and do not pay it reflexively. Both are decisions, and the middle path of asking for detail costs nothing.
Get advice before you commit either way if the amount is meaningful to you. Where to start is in our guide to who to call about a landlord problem in Boston.
Where this stops being general advice
Whether you actually owe this particular charge. That turns on the lease, the condition of the unit, and what evidence exists on both sides.
Whether a landlord can bring a claim at all after returning a deposit in full. This article states what § 15B says and what the limitations periods are. Whether a specific claim survives in a specific set of facts is a legal question and not one to settle from a guide.
Whether a charge is damage or normal wear and tear. The statutory line exists; applying it to a particular scuff, stain or carpet is exactly the kind of judgment that gets argued.
Whether to pay, negotiate, or contest.
For any of those, MassLegalHelp is a good free starting point, Greater Boston Legal Services advises income-eligible tenants, the Attorney General's consumer line takes complaints about landlord conduct, and a tenant-rights attorney can advise on your specific tenancy.
Frequently asked questions
My landlord returned my deposit. Can they still ask me for money? Returning the deposit doesn't by itself end every possible claim, and the limitations periods for bringing one are measured in years rather than days. Whether a specific claim holds up is a question for advice.
Isn't there a 30-day rule that stops them? There's a 30-day rule, but it governs the security deposit. Under § 15B(4) a landlord must return the deposit or its balance within 30 days of the end of occupancy, with a sworn itemized list for any deductions. It isn't a general deadline on all claims.
What happens if a landlord misses the 30 days? Section 15B(6) says they forfeit the right to retain any portion of the deposit for any reason, and lose the right to counterclaim for damage in a tenant's action to recover it.
What does a landlord have to provide to charge me for damage? An itemized list sworn under pains and penalties of perjury, describing the damage and necessary repairs in precise detail, plus written evidence such as estimates, bills, invoices or receipts.
Can they charge me because the next tenant wanted the place cleaned? That's not damage caused by you, and deductions are limited to unpaid rent or water charges, certain tax increases, and tenant-caused damage excluding normal wear and tear. Ask what the charge is for and what supports it.
How long does a landlord have to sue me? Contract claims in Massachusetts generally run 6 years, and property damage claims 3. Which applies depends on how the claim is framed.
Should I just ignore the bill? No. Ignoring correspondence is how a disagreement turns into a judgment entered because nobody responded. Ask for detail in writing instead.
Should I just pay it to make it go away? That's your call, but ask what it's for first. A charge that can't be explained in writing often doesn't survive being asked about.
Sources, and when this was current
- M.G.L. c. 186, § 15B, read directly for subsections (4) and (6) and quoted above.
- Massachusetts limitations periods for contract and property damage claims, and the enforceability of small claims judgments.
Checked September 18, 2026. Statutes change, so confirm before relying on a deadline.
This article is informational and isn't legal advice. Whether you owe a particular charge, and whether a landlord can bring a claim after returning a deposit, depend on facts this article doesn't have, so confirm with MassLegalHelp, Greater Boston Legal Services, or a tenant-rights attorney before paying or refusing.