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How to send a non-renewal notice in Colorado

In Colorado, a non-renewal notice may be delivered by First-Class mail, hand delivery, posting at the property; certified mail is not a listed method.

Last reviewed September 21, 2026 · Business research, not legal advice.
RequirementColorado non-renewal notice
Delivery methodFirst-Class mail, hand delivery, posting at the property
Notice periodSet by the lease or governing documents
Deemed receivedWhen it is served
If refused or unclaimedkeep the certified record.
Statutes
C.R.S. §13-40-107

Step by step

  1. Write the notice with every required element (the Colorado template in Cortul already has them).
  2. Verify the recipient's mailing address with USPS.
  3. Send it by a method the law allows, and keep a mailed copy.
  4. Keep the mailing and tracking records, and your own record of any service you did yourself.
  5. Calendar the deadline from the mailing date.