How much notice does a landlord have to give before raising the rent in Connecticut?
In Connecticut, a landlord must give 45 days written notice before raising the rent. This is Conn. Gen. Stat. §§ 47a-4e, 47a-16, 47a-23, 47a-15a, 47a-75.
| What | Connecticut |
|---|---|
| Notice required | 45 days |
Notes
A rent increase has no effect unless the tenant was given written notice at least 45 days before it starts (one full term for a lease of a month or less), a tenant who does not answer has not agreed to it, and the rent cannot go up during the term of a lease. No statute sets a day count for ending a month-to-month tenancy: the notice to quit for lapse of time must give at least three full days and run to the end of the rental period. Entry: the statute requires reasonable notice rather than a fixed period. Late rent: after the grace period, a notice to quit giving at least three full days.
Source
Conn. Gen. Stat. §§ 47a-4e, 47a-16, 47a-23, 47a-15a, 47a-75
Read the statute in the Connecticut General Statutes (Connecticut General Assembly): cga.ct.gov.
Checked against the statute on November 11, 2026.
This is a summary of a published statute, not legal advice. Rules change, local ordinances can add to them, and the terms of a specific lease may differ. Check the citation and speak to a lawyer before acting.
How Seayora uses this rule
Seayora computes the notice this rule requires from the tenancy’s own dates — for a renewal offer, a rent increase or a served notice — and will not serve one that is short unless the owner records a reason. The answer above is the rule the product enforces.
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