Security Deposit Laws: Limits, Timelines, and Itemized Deductions

Security Deposits Are Governed Almost Entirely by State Law

There is no single federal security deposit law. Almost every rule that matters, how much you can collect, whether the money must be held separately, when it has to be returned, and what happens if you miss the deadline, is set by your state and sometimes by your city. Two landlords in neighboring states can follow completely different rules for the same situation.

This makes security deposits one of the easiest areas of landlord-tenant law to get wrong. A practice that is perfectly legal in one state can trigger penalties in another. Before you collect or return a deposit, confirm the current rules for the specific state and municipality where the property sits, and when in doubt, consult a local attorney. The guidance below is general and is not a substitute for your state statute.

How Much You Can Collect

Deposit caps vary widely by state. Some states set no statutory limit at all, while others cap the deposit at the equivalent of one or two months' rent. A number of states allow a higher amount for furnished units or permit an additional pet deposit on top of the base limit. Because the specific number depends entirely on where you operate, never assume a single national figure applies.

A common and defensible practice in states without a hard cap is to keep the deposit at or near one month's rent. Very large deposits can deter qualified applicants and, in some jurisdictions, may run into source-of-income or affordability protections. Whatever amount you choose, apply it consistently across all applicants for the same property to stay aligned with Fair Housing principles.

Be Careful With "Non-Refundable" Fees

In several states, courts and statutes treat almost any move-in charge, whether it is labeled a cleaning fee, a key deposit, a pet deposit, or last month's rent, as part of the refundable security deposit regardless of what you call it. Labeling a charge non-refundable does not automatically make it so. If your state restricts non-refundable fees, calling a deposit by another name will not protect you, and it can expose you to penalties. Check whether your state recognizes non-refundable fees at all before charging one.

Where the Money Has to Sit

Many states require landlords to hold security deposits in a separate account rather than commingling the funds with operating money, and some require you to disclose to the tenant where the deposit is held. A subset of states and cities also require that the deposit earn interest for the tenant, often once it has been held beyond a year, with the rate set by statute or tied to an index.

Interest and separate-account rules are highly local. Some jurisdictions require interest only for buildings above a certain unit count, others apply it to deposits held over a year, and many states do not require interest at all. Treat the deposit as the tenant's money that you are holding in trust, not as income, and verify the specific account and interest requirements for your location.

Returning the Deposit: Timelines and Itemization

Every state sets a deadline for returning the deposit after a tenant moves out, and these deadlines range widely, commonly somewhere between roughly two weeks and 60 days depending on the state. Some states use different deadlines depending on whether you are making deductions. Calendar the exact deadline for your state the moment a tenant gives notice, because missing it is one of the most common and most expensive mistakes landlords make.

When you make deductions, most states require you to provide a written, itemized statement of what was withheld and why, and several states require supporting receipts or invoices, sometimes only above a dollar threshold. A growing number of jurisdictions have added documentation requirements such as before-and-after photographs of any repair. Send the itemized statement and any remaining balance together, within the deadline, to the tenant's forwarding address.

What You Can and Cannot Deduct

You can generally deduct for unpaid rent, unpaid utilities you are responsible for, and damage beyond normal wear and tear. The distinction between damage and normal wear and tear is where most disputes arise. Normal wear and tear is the gradual deterioration that happens from ordinary use, such as minor scuffs, faded paint, or lightly worn carpet. Damage is harm beyond that, such as large holes in the wall, broken fixtures, pet stains, or missing items.

You cannot use the deposit to cover routine wear, to upgrade the unit, or to repaint and re-carpet on a normal replacement cycle simply because the tenant left. A clear, dated move-in inspection report with photographs, paired with a matching move-out inspection, is the single best tool for justifying deductions. Without that baseline, it is difficult to prove that damage occurred during the tenancy rather than before it.

Penalties for Getting It Wrong

The penalties for mishandling a deposit are deliberately steep because the deposit is the tenant's money. In many states, a landlord who misses the return deadline or fails to provide a required itemization forfeits the right to keep any of the deposit, even for legitimate damage. A number of states go further and allow the tenant to recover a statutory multiple of the deposit, such as double or triple the amount, plus attorney fees, when the withholding is found to be in bad faith.

Because the exact penalty depends on your state and on whether your conduct is judged willful or merely late, the safest approach is procedural discipline: document the unit's condition, calendar the deadline, itemize every deduction, keep receipts, and send everything on time. Good paperwork is far cheaper than a bad-faith penalty.

Writing a Clean Security Deposit Clause

Your lease should state the deposit amount, confirm it is refundable subject to the lease and applicable law, describe the conditions under which deductions may be made, and reference the move-in and move-out inspection process. Avoid language that promises to keep any portion of the deposit regardless of condition, and avoid labeling charges non-refundable if your state does not permit it.

Keep the clause general enough to remain valid if statutory amounts change, and let the controlling state law fill in the specific caps, timelines, and interest rules. Property management software that records the deposit, the inspection reports, and the itemized move-out statement in one place makes it far easier to meet the deadline and produce documentation if a dispute reaches small claims court.