Free Connecticut Rent Increase Notice Template

Last reviewed September 2026

Written by LawLease Editorial

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Connecticut Rent Increase Notice

A Connecticut landlord has to give tenants written notice before rent goes up. How much notice — and whether there’s a cap — is set by statute. Here’s what Connecticut’s says.

Connecticut rules at a glance

Connecticut rules for a Rent Increase Notice
Notice before an increase	45 days. No increase takes effect unless the tenant received written notice at least 45 days in advance. Silence isn’t agreement, and rent can’t rise mid-lease.C.G.S. §47a-4e
Lease of one month or less	For a lease with a term of one month or less, the notice must equal one full term.C.G.S. §47a-4e
Rent cap	No statewide rent control; local fair rent commissions can roll back excessive increases.C.G.S. §7-148b

Rent, late fees & rent increases

Connecticut’s 2023 and 2024 housing acts reshaped the money side of a lease: late charges are tightly capped, most up-front fees are banned, and rent increases need advance written notice.

Grace period — Tenants get a 9-day grace period after the due date (4 days for a one-week tenancy). No late charge can be assessed, and no eviction for nonpayment can begin, before it runs (§47a-15a).
Late-fee cap — A late charge must be in a written lease and may not exceed the lesser of $5 per day up to $50, or 5% of the delinquent payment — and only one late charge per late payment, however long it stays unpaid (§47a-15a). A lease clause charging more, or charging during the grace period, is unenforceable (§47a-4).
Up-front fees — Beyond the security deposit and first month’s rent, a landlord may charge only a tenant-screening fee (capped at $50, adjusted for inflation) and a deposit for keys or special equipment — no application, move-in or move-out fees. A landlord who charges the screening fee must give the applicant a copy of the report (or how to get it) and the screening company’s receipt (§47a-4d).
Rent increases — No increase takes effect unless the tenant received written notice at least 45 days in advance — or, for a lease with a term of one month or less, notice equal to one full term. Silence isn’t agreement, and rent can’t rise mid-lease (§47a-4e, for leases entered into, renewed or extended on or after October 1, 2024).
Fair rent commissions — Towns above a population threshold (25,000, being lowered to 15,000 under a November 2025 special-session housing act) must have a fair rent commission that can hear tenant complaints and roll back increases it finds harsh and unconscionable (§§7-148b–7-148f).
All-in advertised rent — Since October 1, 2025, advertised rent must include the periodic or recurring fees the tenant is required to pay, with limited exceptions such as pet charges and separately paid utilities (P.A. 25-44).

Rent Increase Notice in other states

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