Connecticut Security Deposit Law (2026): Deadlines, Interest & Penalties
Under Conn. Gen. Stat. § 47a-21, a Connecticut landlord must return a tenant's security deposit within 21 days of move-out and must pay interest of Set annually by Banking Commissioner on the deposit. Fail to comply, and the tenant may recover 2x deposit for violations. Plug your lease dates and deposit amount into the calculator above for a statute-based breakdown.
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Connecticut Deposit Rules at a Glance
| Return deadline | 21 days after move-out Later of 21 days after move-out or 15 days after receiving forwarding address |
|---|---|
| Interest on deposit | Set annually by Banking Commissioner |
| Separate account required | No |
| Deposit limit | 2 months' rent (1 month if tenant 62+) |
| Penalty for violations | 2x deposit for violations |
Connecticut Security Deposit FAQ
How long does a landlord have to return a security deposit in Connecticut?
In Connecticut, a landlord must return the security deposit within 21 days after the tenancy ends, under Conn. Gen. Stat. § 47a-21. Note: Later of 21 days after move-out or 15 days after receiving forwarding address.
Does my landlord owe me interest on my security deposit in Connecticut?
Under Conn. Gen. Stat. § 47a-21, a Connecticut landlord must pay interest of Set annually by Banking Commissioner on the deposit. Rate details: Set annually by Banking Commissioner.
What is the penalty if a landlord misses the deposit deadline in Connecticut?
2x deposit for violations. The governing statute is Conn. Gen. Stat. § 47a-21.
Is there a limit on how much a landlord can charge as a security deposit in Connecticut?
Yes. In Connecticut, the security deposit is limited to 2 months' rent (1 month if tenant 62+).
Does a Connecticut landlord have to keep my deposit in a separate account?
No. Connecticut law does not require landlords to hold security deposits in a separate or escrow account.
Are there exceptions to the 21-day deposit deadline in Connecticut?
Yes — the deadline can vary: Later of 21 days after move-out or 15 days after receiving forwarding address. When in doubt, check the statute itself (Conn. Gen. Stat. § 47a-21) or ask a local tenant-rights organization.
What can I do if my landlord won't return my deposit in Connecticut?
First, send a written demand letter citing Conn. Gen. Stat. § 47a-21 — our free generator creates one with your amounts filled in. If the landlord still doesn't pay, you can usually file in small claims court, where the penalty exposure is 2x deposit for violations.