Sue Your Landlord for a Security Deposit in Connecticut Small Claims Court

The 21-Day or 15-Day Rule

Connecticut law sets the deadline at 21 days after the tenancy ends or 15 days after the landlord receives written notice of the tenant's forwarding address, whichever is later. By that deadline, the landlord must deliver the deposit balance and any itemized list of deductions. CGS § 47a-21(d)(2) sets this deadline.

If the landlord does neither by the applicable deadline, that can violate the statute and support a claim for double damages.

Double Damages — and Claims Above $5,000

Under CGS § 47a-21, a landlord who wrongfully withholds a security deposit owes the tenant double the deposit amount plus any accrued interest.

Here's the part that surprises people: in a tenant action under CGS § 47a-21(g), the court may award the damages authorized by § 47a-21(d) and allowed costs even when their total exceeds the standard $5,000 limit. This is a statutory exception to the general small claims ceiling.

A $3,000 deposit becomes a $6,000+ claim. A $5,000 deposit becomes $10,000+. The small claims court handles all of it.

Before You File

Provide your forwarding address in writing. The deadline is 21 days after the tenancy ends or 15 days after the landlord receives written notice of your forwarding address, whichever is later. Send the address promptly and keep proof of delivery.

If you are relying on a missed return deadline, wait until it passes. Filing before the landlord's statutory return period expires may be premature.

Document everything. Move-in and move-out photos (date-stamped), a copy of the lease, your forwarding address letter, the certified mail receipt, and any communication from the landlord about deductions. If the landlord sent a deduction list, evaluate whether the deductions are legitimate. Normal wear and tear — scuffed paint, worn carpet, minor nail holes — is not deductible.

Where Your Case Goes

Security deposit cases between residential landlords and tenants may be routed to a Housing Session. Housing Sessions operate in specific courthouse locations including Hartford, New Britain, New Haven, Bridgeport, Waterbury, and Stamford; follow the Judicial Branch's venue directions for your town.

Your venue is the Housing Session (or local Judicial District courthouse) serving the town where the rental property is located. If you lived in New Haven, you file in the New Haven Housing Session — regardless of where the landlord lives now.

Identifying Your Landlord

Your writ must name the correct legal entity. The landlord might be:

• An individual person (use their full legal name)
• An LLC or corporation managing the property (check business.ct.gov for the exact entity name and registered agent)
• A property management company acting as agent for the owner

Check your lease — it identifies the landlord entity. If the lease names "ABC Property Management" but the actual owner is "Smith Realty Holdings LLC," you may need to name both.

Filing the Claim

The process follows Connecticut's standard small claims sequence:

1. Complete Form JD-CV-40, stating your claim for double the deposit plus interest under CGS § 47a-21
2. Attach a copy of the lease, your forwarding address letter, proof the address was received, and any deduction statement the landlord sent
3. Serve the landlord before filing, using priority mail with delivery confirmation, certified mail with return receipt requested, a nationally recognized courier with delivery confirmation, or a proper officer such as a State Marshal (attach JD-CV-121 instructions)
4. After receiving the proof for your selected method, complete JD-CV-123 (Statement of Service)
5. File JD-CV-40, JD-CV-123, proof of service, and the $95 fee with the court

At the Hearing

The magistrate will focus on three questions: Did the tenant provide a forwarding address in writing? Did the landlord return the deposit or provide an itemized deduction list by the applicable 21-day or 15-day deadline? Were any deductions for normal wear and tear (which isn't allowed)?

Small claims hearings are remote. Submit your lease, forwarding address letter, move-in and move-out photos, and related communications before the hearing as directed by the court; keep a complete copy for your own reference.

The Connecticut Small Claims Filing Guide includes a deadline calendar and evidence checklist built specifically for security deposit recovery under CGS § 47a-21.

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