The notices and their periods
- 3-Day Notice to Quit (after grace) — for nonpayment, the landlord must first let the 9-day grace period run (4 days for week-to-week), then serve a 3-day Notice to Quit (Conn. Gen. Stat. § 47a-23). Connecticut gives no statutory right to pay and stay after the notice.
- 15-Day Notice to Remedy (“Kapa”) — for a curable lease violation (§ 47a-15) — 15 days to fix the problem; a repeat of substantially the same violation within six months loses the right to remedy.
- 3-Day Notice to Quit (serious nuisance) — for serious nuisance or illegal activity, a 3-day notice with no opportunity to cure.
Ending a tenancy and serving notice
To end a month-to-month tenancy, the landlord serves a 3-day Notice to Quit (§ 47a-23); Connecticut courts expect a legitimate, non-retaliatory reason behind it.
After the notice expires, the landlord files a Summary Process case in the Superior Court (Housing Session). Accepting rent after a Notice to Quit can waive the eviction unless taken “for use and occupancy only.”
The 9-day grace and the Kapa notice
Two Connecticut quirks: a landlord can't even serve a nonpayment Notice to Quit until rent is 9 days late (4 days weekly), and curable lease violations require a 15-day pre-termination “Kapa” remedy notice before any quit notice. Both are easy to miss and both can sink a case.
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How much notice for nonpayment in Connecticut?
After a 9-day grace period (4 days for week-to-week), a 3-day Notice to Quit (Conn. Gen. Stat. § 47a-23). There's no statutory right to pay and stay once it's served.
What is a Kapa notice in Connecticut?
A 15-day pre-termination notice to remedy a curable lease violation (§ 47a-15). If the tenant fixes it within 15 days, the eviction can't proceed.
How do I end a month-to-month tenancy in Connecticut?
Serve a 3-day Notice to Quit (§ 47a-23), backed by a legitimate, non-retaliatory reason.
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WriteMyNotice.com is a self-help document preparation service, not a law firm, and this page is general information, not legal advice. Eviction rules are strict and vary by state, county, and city — many cities add rent-control or just-cause requirements on top of state law, and an improper or mistimed notice can get an eviction case delayed or dismissed. Verify the current requirements for your property's location and, for contested or high-stakes evictions, consult a landlord-tenant attorney. Statute references verified June 2026.