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How to send a lease violation notice in New York

In New York, a lease violation notice must be sent by certified mail, return receipt requested (N.Y. RPAPL §735).

Last reviewed September 21, 2026 · Business research, not legal advice.
RequirementNew York lease violation notice
Delivery methodCertified mail, return receipt requested (required) — Cortul also sends a First-Class copy.
Notice periodSet by the lease or governing documents
Deemed receivedWhen it is served
If refused or unclaimedkeep the certified record.
Statutes
N.Y. RPAPL §735

Step by step

  1. Write the notice with every required element (the New York template in Cortul already has them).
  2. Verify the recipient's mailing address with USPS.
  3. Serve it the way New York law requires (hand delivery or posting at the property or substituted service); mail alone doesn't serve it. Record the service in Cortul, which also mails a First-Class copy.
  4. Keep the acceptance record, tracking history and the signed return receipt.
  5. Calendar the deadline from the mailing date.