What is a security deposit?

A security deposit is money you give your landlord at the start of a tenancy, held against the possibility that you'll damage the property or fail to pay rent. The landlord doesn't own it. They hold it. At the end of your lease, they have to either give it back or send you a written list of what they're keeping and why. Most renters don't fully understand how this works — which is exactly why landlords get away with keeping deposits they shouldn't.

What a security deposit covers — and what it doesn't

A security deposit is meant to protect a landlord against three specific things:

• Unpaid rent. If you skip out without paying the last month, the landlord can keep that amount from the deposit.
• Damage to the property beyond normal wear and tear. A hole in the wall the size of a doorknob is damage. The carpet looking slightly worn after two years of normal use is not — that's wear and tear, and you're not responsible for it. (We have a full guide on the difference because it's the most-disputed topic in the niche.)
• Cleaning if you left the place uninhabitable. Some states allow a "reasonable cleaning fee" if the unit needs more than ordinary cleaning. Some don't. Either way, the landlord can't charge you for routine cleaning they'd do between tenants.

What a deposit can't cover: routine maintenance, painting between tenants, carpet replacement on schedule, upgrades, or anything that would have happened regardless of who was renting. If your landlord is deducting for those, you have a case.

How much can a landlord charge?

Caps vary widely by state:

• One month's rent or less: California, Massachusetts, Hawaii, Connecticut (for tenants over 62), and several others.
• Two months' rent: New Jersey, Pennsylvania, Maryland, and a handful of others.
• No statutory cap: Florida, Texas, Illinois (with some local exceptions), and others — landlord and tenant can negotiate whatever they agree to.

Some cities (San Francisco, New York City, others under rent stabilization) layer additional rules on top of state law.

The cap matters at move-in (you can refuse to pay more than the legal maximum) and at move-out (any over-collection should arguably be returned even if the landlord otherwise has a valid claim against the deposit).

Where the money is held

About 30 states require landlords to hold security deposits in a separate account, often a specifically designated escrow account at a federally insured bank within the state where the property is located. The strictest states (New Jersey, Massachusetts, Florida) require landlords to:

• Hold the deposit in an interest-bearing account separate from the landlord's personal funds;
• Notify the tenant in writing of the bank's name and address;
• Pay interest accrued on the deposit either annually or at move-out.

Failure to comply with these rules — known as "commingling" — can expose the landlord to additional statutory damages, sometimes equal to the deposit itself or more. If your landlord can't tell you where your deposit is being held, that's a meaningful procedural lapse you can leverage.

Interest on the deposit

Some states require landlords to pay interest on held deposits. Examples:

• New York requires interest in buildings of six or more units.
• Massachusetts requires interest at 5% per year (or whatever the bank pays, whichever is lower).
• Connecticut requires landlords to pay statutory interest, with the rate set annually.
• New Jersey requires landlords to either pay the bank's actual rate or invest in money-market funds.

Most states don't require interest. Even where it's required, the amounts are usually small — but the failure to pay required interest can be its own statutory violation.

What happens at move-out

This is where most disputes happen. Every state imposes a deadline on the landlord. Within the deadline (typically 14 to 60 days), the landlord must do one of two things:

1. Return the deposit in full, or
2. Send a written, itemized list of any deductions, with the unused portion refunded.

Miss the deadline, and the landlord typically forfeits the right to deduct anything at all. The full deposit becomes recoverable. Many states impose additional damages or attorney's fees on top.

Use our deadline calculator to figure out where your landlord stands. Or click your state below for the specific rules.

Common disputes

The five most-common deposit disputes:

1. Cleaning charges. Almost always disputed. The landlord claims it was filthy; the tenant insists they cleaned. Without photos and a move-out walk-through, it's a he-said-she-said.
2. Painting and carpet. Both have a "useful life" — paint typically 2-3 years, carpet 5-10. If your landlord is charging for painting after you lived there 2+ years, that's almost certainly wear and tear.
3. "Damage" that's actually wear and tear. Faded paint, slightly worn carpet, small marks on walls — all wear and tear. Full guide here.
4. Vague "miscellaneous repairs." Most states require itemization; "repairs $400" without specifics is challengeable.
5. Late or missing notice. The landlord just didn't send the itemization within the deadline. This is the strongest case — usually a complete forfeiture.

What to do if your deposit is being unfairly withheld

Three steps:

1. Confirm the deadline has passed. Use our deadline calculator.
2. Send a certified demand letter. A formal letter citing the specific statute, computed deadline, and a clear demand for return. Most landlords respond.
3. Escalate if needed. If they don't respond, a follow-up letter naming the small-claims court typically resolves it. If not, the next step is filing.

We do step 2 for $49.99. Start a case when you're ready.

Frequently asked questions

Is a security deposit the same as last month's rent? +

No. They're legally distinct. A security deposit is held by the landlord against potential damage or unpaid rent and must be returned (subject to lawful deductions) at the end of the tenancy. Last month's rent is a prepayment specifically applied to the final month. Some states impose stricter rules on security deposits — escrow requirements, interest accrual, deadlines for return — that don't apply to last month's rent.

Can a landlord ask for first month, last month, AND a security deposit? +

It depends on your state. Some states (notably California, Massachusetts, and a handful of others) cap the total amount a landlord can collect upfront. Others allow whatever the landlord and tenant agree to. Click your state on our state coverage page for the specific cap.

Where is my deposit supposed to be held? +

About 30 states require landlords to hold security deposits in a separate account — sometimes a specific escrow account at a federally insured bank in the state where the property is located. New Jersey, Florida, Massachusetts, and others are particularly strict. Landlords who commingle the deposit with their personal funds can face additional liability if they fail to return it.

Do I get interest on my security deposit? +

In some states, yes. New York (in buildings over a certain size), Connecticut, Massachusetts, New Jersey, and a few others require landlords to pay interest on held deposits. The rate is usually statutory or pegged to a market index. Most states don't require interest unless the rental agreement says otherwise.

How much can a landlord charge for a security deposit? +

Caps vary widely by state. California limits security deposits to one month's rent (with limited exceptions). Many states (Massachusetts, Hawaii, others) cap at one month's rent. Some states (Texas, Florida) have no statutory cap. Always check your state's rule before paying — and before disputing.

What happens if I never get my deposit back? +

Most states impose a hard statutory deadline on landlords (typically 14 to 60 days after move-out). Miss the deadline and the landlord usually forfeits the right to claim deductions. Your remedies range from recovering the full deposit plus court costs (Florida) to 2x or 3x damages plus attorney's fees (Massachusetts, Oregon). Use our deadline calculator to check whether your landlord is past the window.