General deposit cap2 months’ rent
For tenants under age 62.
Age 62+ cap1 month’s rent
Excess above one month can be returned on request when a tenant reaches 62.
Return / itemization21 days
Or 15 days after written forwarding address is received, whichever is later.
2026 interest rate0.49%
Published by the Connecticut Department of Banking for 2026.
What to preserve
- Lease and deposit receipt.
- Written forwarding address and proof of delivery.
- Move-in and move-out photos.
- Written damage statement.
- Deposit refund and interest calculation.
- Escrow-account information if provided.
Forwarding address matters to the clock
Connecticut does not use a simple 21-day rule in every case. The statute uses the later of 21 days after termination or 15 days after the landlord receives the tenant’s written forwarding address.
Compare this topic across states
Forwarding-address timing matters. Connecticut’s ordinary 21-day rule must be read together with the written forwarding-address provision. Educational information only.
Official sources
Connecticut General AssemblyConn. Gen. Stat. § 47a-21 — Security deposits ↗
Current 2026 supplement governing Connecticut security deposits, caps, forwarding-address timing, itemization, escrow, interest and remedies.
Connecticut Department of BankingRental Security Deposits — Key Issues and Guidance ↗Current official agency guidance, including the 2026 interest rate, 21-day return rule and forwarding-address guidance.