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Connecticut Landlord-Tenant Laws

This overview summarizes common Connecticut landlord-tenant topics using published statute references (Connecticut General Statutes 47a). Laws change — confirm details with official sources.

Connecticut at a glance: Security deposit limit: 2 months' rent. Return deadline: 21 days. Month-to-month notice: 30 days. Source: Connecticut General Statutes 47a.

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Security Deposit Laws

Maximum Deposit:

2 months' rent

Return Deadline:

21 days

Interest Required:

Yes

The rule: Max 2 months' rent (1 month if the tenant is 62 or older). The deposit is held in escrow and earns interest, paid every year. It must be returned, with an itemized list of any damage deductions, within 21 days after the tenancy ends, or 15 days after the landlord receives the tenant's written forwarding address if that is later (Conn. Gen. Stat. § 47a-21).

Landlords should provide an itemized deduction list when withholding any portion of the deposit.

Reviewed · Conn. Gen. Stat. § 47a-21

Eviction Notice Requirements

Nonpayment of Rent:

3 days notice

Lease Violation:

15 days notice

Court filing and service rules vary by county. Use our eviction timeline calculator for planning.

Notice to Vacate

Month-to-Month Lease:

30 days notice

Fixed-Term Lease:

No notice required if lease ends

Late Rent Fees

Grace Period:

9 days

Maximum Late Fee:

The lesser of $5 per day up to $50, or 5% of the late rent

Statute: Conn. Gen. Stat. § 47a-15a

Additional Regulations

Rent Control:

No statewide rent control

Landlord Entry Notice:

Reasonable notice

When to use Connecticut document templates

Use LeaseCraft templates when you need PDF and editable DOCX lease and notice forms built for Connecticut landlords and tenants. Start with the residential lease generator, then add notices from the sidebar.

Common mistakes in Connecticut

  • Relying on verbal agreements instead of a written lease with required disclosures
  • Missing the security deposit return deadline (21 days)
  • Serving eviction or termination notices with incorrect day counts

Frequently asked questions

In Connecticut the security deposit limit is 2 months' rent. The return deadline is 21 days. Max 2 months' rent (1 month if the tenant is 62 or older). The deposit is held in escrow and earns interest, paid every year. It must be returned, with an itemized list of any damage deductions, within 21 days after the tenancy ends, or 15 days after the landlord receives the tenant's written forwarding address if that is later (Conn. Gen. Stat. § 47a-21).

Confirm current rules in Connecticut General Statutes 47a.

Connecticut month-to-month tenancies typically require 30 days written notice unless the lease specifies otherwise.

Use our Connecticut lease agreement generator to build a residential lease with state-structured clauses. Preview free before download.

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