Connecticut Security Deposit Laws: Limits, Return Deadlines & Penalties

Connecticut security deposit laws cap most residential deposits at two months’ rent, require the money to sit in an interest-bearing escrow account at a Connecticut financial institution, and give the landlord 21 days after you move out (or 15 days after you provide a forwarding address, whichever is later) to return the deposit or itemize any deductions in writing. Miss the deadline or the paperwork and the landlord can be on the hook for double the entire deposit.¹

How Much a Landlord Can Charge

If you’re under 62, the maximum deposit is two months’ rent. If you’re 62 or older, the cap drops to one month’s rent, and that discount applies automatically regardless of what the lease says or what your credit looks like.²

A separate rule covers pets. A landlord who wants an extra deposit for a dog, cat, bird, or aquarium can collect one, but must return that pet-specific portion once you provide a signed written statement that you no longer have the animal. The return follows the same rules as any other deposit at the end of a tenancy.¹

Where the Money Has to Sit

Your landlord cannot mix your deposit into a personal account. State law requires it to be held in an escrow account at a financial institution located in Connecticut. The deposit stays your property throughout the tenancy and is protected from the landlord’s creditors, so even a lawsuit or bankruptcy against the landlord cannot reach it.²

The account must earn interest, and the landlord has to pay that interest to you every year. The rate is set annually by the Banking Commissioner based on a statewide deposit index. For 2026, the rate is 0.49%.³

The 30-Day Written Notice

Within 30 days of receiving your deposit, the landlord must give you a written notice stating the amount held and identifying the bank by name and address. This is a legal requirement, not a courtesy, and skipping it creates exposure under the statute’s penalty provisions.²

If the notice never arrives, ask for it in writing (email works) and keep a copy. That paper trail helps later if you have to challenge deductions or pursue penalties.

What Can and Cannot Be Deducted

A landlord can take money out of your deposit for damages caused by your failure to meet your obligations under the lease. Holes in walls, broken fixtures, stained carpets beyond ordinary use, and unpaid rent or utility charges you were responsible for all qualify.⁴

Ordinary wear and tear is a different matter. Faded paint after several years, thinning carpet in a traffic path, minor scuffs on floors — these are what happens when someone lives in a home, and the cost falls on the landlord. The line between damage and wear is not always crisp, which is why dated photos or video of every room at move-in and move-out are the single most useful thing you can produce if a dispute develops.

Landlords also have their own habitability obligations: complying with building and housing codes, making necessary repairs, and keeping common areas safe and clean.⁵ They cannot charge you for repairs to conditions they were required to maintain in the first place.

When the Deposit Has to Come Back

As soon as your tenancy ends, send your landlord written notice of your new forwarding address. The landlord then has 21 days from the end of the tenancy, or 15 days from receiving your forwarding address, whichever is later, to deliver either the full deposit plus accrued interest, or the remaining balance along with a written statement listing each deduction by type and dollar amount.¹

The itemized statement is required by statute. A landlord who withholds $800 for “damages” without saying what was damaged and what each repair cost has violated the law, even if the underlying deductions would have been reasonable.

One common mistake: moving out without giving a written forwarding address. Without it, the 15-day clock never starts, and only the 21-day window applies. Sending your forwarding address by certified mail or an email with a read receipt removes any question about when the landlord received it.

Penalties for Noncompliance

The civil penalty has real weight. A landlord who violates the return-and-itemization rules is liable for double the entire security deposit, not just double the wrongfully withheld portion. On a $3,000 deposit, that is $6,000. The one exception: if the sole violation is late payment of accrued interest, the penalty is $10 or double the interest owed, whichever is greater.¹

The statute also carries fines for willful violations:

Failing to return the deposit when due: up to $250 per offense, with a good-faith belief that deductions were justified available as an affirmative defense.
Escrow account violations: up to $500, up to 30 days of imprisonment, or both. Landlords who lease to fewer than four tenants who paid a deposit have an affirmative defense.
Failing to pay annual interest: up to $100 per offense.

These fines require proof that the landlord acted knowingly and willfully, a higher bar than the civil double-damages provision.¹

If the Building Changes Hands

A sale or other transfer of ownership does not make your deposit disappear. Connecticut law treats any transfer of a landlord’s interest as an automatic assignment of the deposit to the new owner. The outgoing landlord has to pull all tenant deposits from escrow and deliver the full amount plus accrued interest to the new owner, who then becomes liable under the same rules.¹ If escrow funds from multiple properties were commingled, the successor gets a pro rata share. Your right to the deposit does not change.

Taking a Landlord to Small Claims Court

If your landlord won’t return the deposit or you believe the deductions are unjustified, small claims court in Connecticut handles money disputes up to $5,000, which covers almost every deposit case. You don’t need a lawyer.⁶

Documentation decides these cases. Bring dated photos or video of the unit at move-in and move-out, any move-in and move-out checklists, your lease, and all written correspondence about the deposit, forwarding address, or claimed damages. If the landlord did send an itemized statement, bring it — it locks them into specific claims they then have to prove. If no itemized statement ever arrived, that alone may carry the case, because courts treat the requirement as mandatory. Filing fees are modest, typically under $100, and waivers are available for low-income filers.

Active-Duty Military Tenants

If you receive permanent change of station orders or deployment orders for 90 days or more, the federal Servicemembers Civil Relief Act lets you end your lease early without penalty. Give the landlord written notice with a copy of your orders, and the lease terminates 30 days after the next rent payment is due.⁷ After termination, Connecticut’s standard deposit rules apply. A landlord cannot withhold the deposit as an early-termination fee. Send the termination notice, orders, and your forwarding address by certified mail so both the SCRA and the deposit-return clocks start on the record.

Sublets Make You a Landlord

Connecticut’s deposit statute defines “landlord” to include any tenant who sublets. If you collect a deposit from a subtenant, you owe every obligation a traditional landlord owes: escrow account, annual interest, the 30-day written notice, and the 21-day return.¹ Dropping a subtenant’s deposit into your personal checking account already puts you in violation. Handle it the way a landlord would, or don’t take a deposit at all.

1
Connecticut General Assembly. Chapter 831 – Security Deposits
2
Justia Law. Connecticut General Statutes 47a-21 – Security Deposits
3
CT.gov. Banking Commissioner Announces 2026 Deposit Index
4
CT.gov. Rental Security Deposits
5
Justia Law. Connecticut General Statutes 47a-7 – Landlord’s Responsibilities
6
CT Judicial Branch. Small Claims Frequently Asked Questions
7
Consumer Financial Protection Bureau. Servicemembers Civil Relief Act (SCRA)