Colorado Notice to Terminate Tenancy (Form JDF 99 B)
Last updated June 27th, 2025
A Colorado notice to terminate tenancy is used by landlords to end a lease and demand that the tenant leave the rental property. This notice is for tenants who have committed a severe violation, a repeat violation, or when the landlord wants to end a periodic or fixed-term tenancy. The notice period depends on the length of the lease and reason for terminating.
Notice Periods
The following list contains the required timeframe a landlord has to give the tenant to vacate the premises after receiving a notice to terminate tenancy:
- Violations:
- Substantial Violation – 3 days.[1]
- Repeat Violation – 10 days.[2]
- Nonrenewal of Lease[3]:
- Tenancies one year or more – 91 days.
- Tenancies between six months and one year – 28 days.
- Tenancies between one month and six months – 21 days.
- Tenancies between one week and one month – 3 days.
- Tenancies under one week – 1 day.
Notice to Terminate Tenancy (Preview)