General information only, not legal advice. Laws change. Verify requirements with a licensed attorney or the statute before acting. Last reviewed: June 2026.
Security Deposit · CT
Connecticut security deposit law
Key rules for landlords and tenants in Connecticut, cited to Conn. Gen. Stat. § 47a-21.
At a glance
- Max deposit
- 2 months' rent (tenants under 62); 1 month (tenants 62+)
- Return deadline
- 21 days after move-out (or 15 days after receiving forwarding address, whichever is later)
- Interest required
- Yes (Annual interest required if held more than 1 year)
- Statute
- Conn. Gen. Stat. § 47a-21
- Last reviewed
- June 2026
Frequently asked questions
What is the maximum security deposit in Connecticut?
2 months' rent (tenants under 62); 1 month (tenants 62+). (Conn. Gen. Stat. § 47a-21, last reviewed June 2026.)
How long does a landlord have to return a security deposit in Connecticut?
21 days after move-out (or 15 days after receiving forwarding address, whichever is later). The landlord must provide an itemized statement of any deductions. Failure to return on time may entitle the tenant to penalties under Conn. Gen. Stat. § 47a-21.
Is interest required on security deposits in Connecticut?
Yes. Annual interest required if held more than 1 year
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