Security Deposits

What deductions can legally be taken from a security deposit?

Connecticut rental guidance and tenant-landlord operational information.
Published February 18, 2026 State-specific rental guidance Update This Question
Reviewed by Tenants & Landlords Editorial Team

This rental guidance was reviewed by the Tenants & Landlords Intelligence Team, specializing in lease agreements, notices, rent disputes, deposits, evictions, and tenant-landlord operational procedures.

Asked 104 days ago · Connecticut

Understanding Security Deposit Deductions in Connecticut for Tenants

When renting a property in Connecticut, tenants often wonder about the conditions under which their landlord can deduct money from their security deposit. Security deposits serve as a financial safety net for landlords to cover specific costs after a tenant moves out. However, Connecticut state laws closely regulate what types of deductions are permissible to protect tenants from unfair or excessive charges.

This guidance will explain what deductions landlords in Connecticut can legally make from security deposits and help tenants understand their rights when their deposit is withheld or reduced.

What Is a Security Deposit in Connecticut?

A security deposit is a sum of money paid by the tenant at the beginning of a lease agreement. It provides the landlord with financial security against:

  • Damage to the rental unit beyond normal wear and tear
  • Unpaid rent or other charges owed under the lease
  • Costs related to cleaning if necessary to return the unit to its original condition
Connecticut landlords may collect a security deposit, but the amount is generally limited, and the handling of the deposit is subject to specific statutes.

Permissible Deductions from Security Deposits

Connecticut law (primarily governed under Connecticut General Statutes Chapter 830, Section 47a-21) outlines clear conditions for deductions from tenant security deposits. Landlords can only deduct for the following reasons:

1. Unpaid Rent

  • Any rent that is due and unpaid when the tenant vacates the property can be deducted.
  • This includes rent for the final month or any back rent that remains outstanding.

2. Repair of Damages Beyond Normal Wear and Tear

  • Landlords may deduct the cost of repairing damages caused by the tenant or their guests that go beyond ordinary wear and tear.
  • Examples of allowable damage deductions:
- Holes in walls from nails or screws that were not properly patched - Broken fixtures, windows, or doors - Stains or burns on carpets that require replacement or professional cleaning beyond normal expectations
  • Normal wear and tear generally means deterioration due to aging or reasonable use (e.g., minor carpet fading, small nail holes from picture hanging).

3. Cleaning Expenses

  • The unit should be returned in substantially the same clean condition as when the tenant moved in.
  • Landlords can deduct for cleaning costs if the tenant leaves the property in a condition that requires more than routine cleaning.
  • This does not include normal cleaning expected after everyday use but does include excessive dirt or trash that must be removed professionally.

4. Unpaid Utility Bills

  • In cases where the tenant is responsible for utilities under the lease and leaves unpaid bills, landlords might deduct these amounts if they are obligated to cover them directly.

Important Note:

Landlords cannot deduct for:

  • General maintenance or upgrades that would have been needed regardless of tenant occupancy
  • Painting or repairs due to normal wear and tear
  • Any costs unrelated to the tenant’s use or lease obligations

Documentation and Return of the Security Deposit

Connecticut law requires landlords to provide tenants with an itemized statement of any deductions made from the security deposit, along with the remaining balance, if any. This statement must be sent to the tenant’s last known address within 30 days after the tenant vacates the rental unit.

What Should the Statement Include?

  • A detailed list of deducted amounts and the reasons
  • Copies of receipts or invoices for repairs, cleaning, or other charges
  • The remaining amount of the deposit returned to the tenant
Failure by the landlord to provide this written accounting within 30 days may result in the tenant being entitled to recovery of the full deposit, with potential penalties for the landlord.

Helpful Tips for Tenants to Protect Their Security Deposit

Tenants in Connecticut can take proactive steps to minimize deductions and increase the likelihood of a full deposit refund:

  • Document the condition of the unit upon move-in: Take photos or videos to establish the initial condition.
  • Request a move-in checklist or inspection report: This helps record existing issues.
  • Keep copies of all rent payments and correspondence related to the deposit.
  • Maintain cleanliness and repair minor damage promptly.
  • Notify the landlord immediately of any repairs needed to avoid damage worsening.
  • Conduct a thorough cleaning before moving out or hire professional cleaners.
  • Schedule a move-out inspection with the landlord to go over the unit’s condition together.

Summary

In Connecticut, landlords can legally deduct from a tenant’s security deposit primarily for:

  • Unpaid rent or lease-related charges
  • Damage beyond normal wear and tear
  • Excessive cleaning costs to return the unit to its original condition
  • Unpaid utilities if the tenant is responsible under the lease
Landlords must provide an itemized statement detailing deductions within 30 days after the tenant moves out. By understanding these rules and documenting the condition of the rental home, Connecticut tenants can better protect their security deposits and ensure a fair process when they move.

If you have further questions regarding your rights to security deposit refunds or disputes with your landlord over deductions, consider contacting Connecticut tenant advocacy groups or a legal professional knowledgeable about landlord-tenant law in your area.

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