Colorado Lease Termination Notice Forms

Last Updated: September 1, 2022 by Marnie Snyder

A Colorado lease termination notice form is an official legal letter provided to either the tenant or the landlord informing them that the tenancy is ending. If rent is paid monthly, then at least 21 days notice must be provided before the tenancy can end.

Types of Colorado Lease Termination Notice Forms

Notice Form Lease Length
1 Day Notice to Vacate Less than one week
3 Day Notice to Terminate Tenancy More than one week,

but less than one month

21 Day Notice to Vacate One month or longer,

but less than six months

28 Day Notice to Vacate Six months or longer,

but less than one year

91 Day Notice to Vacate One year or more

Colorado 1 Day Notice to Vacate

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A Colorado 1 Day Notice to Vacate is an official form used for terminating a tenancy of less than one (1) week. This notice may also be used for tenants with no written lease. There is no option to continue the arrangement and the tenancy will end within one (1) calendar day.

Colorado 3 Day Notice to Terminate Tenancy

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A Colorado 3 Day Notice to Terminate Tenancy is an official form used for terminating a tenancy of more than one (1) week, but less than one (1) month. This notice may also be used for tenants with no written lease. There is no option to continue the arrangement and the tenancy will end within three (3) calendar days.

Colorado 21 Day Notice to Vacate

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A Colorado 21 Day Notice to Vacate is an official lease termination letter used to terminate a tenancy of one (1) month or longer, but less than six (6) months. This notice may also be used for tenants with no written lease that pay rent monthly. There is no option to continue the arrangement and the tenancy will end within twenty one (21) calendar days.

Colorado 28 Day Notice to Vacate

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A Colorado 28 Day Notice to Vacate is an official letter used to terminate a tenancy of six (6) months or longer, but less than one (1) year. This notice may also be used for tenants with no written lease. There is no option to continue the arrangement and the tenancy will end within twenty eight (28) calendar days.

Colorado 91 Day Notice to Vacate

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A Colorado 91 Day Notice to Vacate is a legal letter used by the landlord or the tenant for terminating a tenancy of one (1) year or longer. There is no option to continue the arrangement and the tenancy will end within ninety one (91) calendar days.

How to Write a Lease Termination Notice in Colorado

For a lease termination notice to be legally compliant:

  1. State who the legal letter is addressed to (use full name of the receiving party).
  2. Include the termination date of the lease or tenancy.
  3. Fill in the full address of the rental premises.
  4. For tenants, provide your new address and an updated phone number.
  5. Sign the notice and print your name.
  6. For landlords, include contact information, such as address and phone number.
  7. Complete the certificate of service by indicating the date and method of notice delivery along with printed name and signature.

Without this information on the notice, a judge may not be able to proceed with legal action.

How to Calculate Expiration Date in Colorado

If the notice is for terminating a tenancy of less than one (1) week, either party must provide at least a one (1) calendar day notice to end the tenancy.

If the tenancy is for more than one (1) week, but less than one (1) month, at least a three (3) calendar day notice to terminate the tenancy is provided to either party.

If the tenancy is one (1) month or more, but less than six (6) months, at least a twenty one (21) calendar day notice to vacate is delivered by either party.

For a six (6) month, but less than one (1) year tenancy, at least a twenty eight (28) calendar day notice to vacate is given to either party to terminate the tenancy.

For a tenancy of one (1) year or more, at least a ninety one (91) calendar day notice to vacate is provided by either the landlord or the tenant to end the tenancy.

How to Serve a Lease Termination Notice in Colorado

A landlord or a tenant may deliver lease termination notices in Colorado using any of the below acceptable methods:

  1. Handing the notice to the other party in person;
  2. Handing the notice to a person, over the age of 15, who can accept the legal letter on behalf of the other party.

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