Typical residential security deposit amount a landlord holds and later accounts for on a return statement in Connecticut (2026)
A typical Connecticut range, the local factors behind it, and the tools to price your own project.
Reviewed for 2026, updated September 8, 2026.
What drives the cost in Connecticut
Connecticut rents in Fairfield County and the Hartford and New Haven areas keep deposits above the national typical range, while the eastern and northwest corners sit closer to it. State law caps deposits at about two months' rent (less for older tenants), requires interest at a state-published rate paid to the tenant, and sets a return window of about three weeks after move-out or shortly after receiving a forwarding address, whichever is later, with doubled damages for violations, so confirm the current figures. Cold winters, old housing stock, and coastal storms along Long Island Sound mean ice dam leaks, radiator issues, and plaster cracks are frequent and mostly not the tenant's fault.
Tips for Connecticut buyers
- Show accrued interest as its own line on the statement, since an omitted interest calculation is an easy target in a dispute.
- Confirm the tenant's age category before setting the deposit, because the cap is lower for seniors.
- Older Connecticut homes shed plaster and paint on their own; date-stamped move-in photos are essential here.
Ranges are hedged planning estimates derived from a national typical range and a local index, not quotes. A typical single deposit on a market-rate residential rental is commonly around one month's rent, which puts most deposits somewhere in this range; actual amounts vary widely with local rents, unit size, pets, and state caps, and this is a working reference rather than a survey figure.
Price your project
- Deposit Deduction Depreciation Calculator: Estimates how much of a carpet, paint, blind, or appliance replacement a landlord can fairly deduct from a security deposit once the item's age and normal wear are taken into account.
- Security Deposit Refund Statement Calculator: Adds up the deposit held, any interest owed, and each itemized deduction to show the exact refund due to the tenant or the balance the tenant still owes.
- Late Deposit Return Penalty Exposure Calculator: Shows landlords how many days remain before a state return deadline and what missing it could cost when a statute allows forfeited deductions or multiplied damages.