How much notice must a landlord give to end a tenancy in Colorado?
In Colorado, a landlord must give 21 days written notice to end a tenancy or decline to renew it. This is C.R.S. §§ 38-12-701, 13-40-104, 13-40-107.
| What | Colorado |
|---|---|
| Notice required | 21 days |
Notes
Rent increases need 60 days. No statute sets an entry-notice period — 24 hours is customary. Late rent: 10-day demand for compliance (5 for exempt residential agreements).
Source
C.R.S. §§ 38-12-701, 13-40-104, 13-40-107
Read the statute in the Colorado Revised Statutes (Colorado General Assembly): leg.colorado.gov.
The linked sections open Justia’s free copy of the code, because the state’s own site has no stable address for each section.
Checked against the statute on September 11, 2026.
This is a summary of a published statute, not legal advice. Rules change, local ordinances can add to them, and the terms of a specific lease may differ. Check the citation and speak to a lawyer before acting.
How Seayora uses this rule
Seayora computes the notice this rule requires from the tenancy’s own dates — for a renewal offer, a rent increase or a served notice — and will not serve one that is short unless the owner records a reason. The answer above is the rule the product enforces.
Guides on this rule
- Automatic Lease Renewal Clauses: The Notice That Makes Them Work — In New York and Wisconsin an automatic renewal clause binds a tenant only if the landlord sends a reminder 15 to 30 days before the tenant’s notice deadline.
- Can a Landlord Send an Eviction Notice by Email or Text? — The federal E-SIGN Act excludes eviction notices, so state law decides how a notice to pay or quit must be served. California, New York and Florida rules.
- Does a Landlord Have to Re-Rent When a Tenant Breaks a Lease? — The duty to mitigate after a tenant leaves early in Texas, New York, California and Washington, and Florida’s four options including a two-month fee.
- Ending a Lease Early Because of Domestic Violence: State Rules — How tenants who are victims of domestic violence can end a lease early in California, New York, Texas and Washington, and what a landlord must do.
Compare this rule in every state
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The same question in other states
- Alabama
- Alaska
- Arizona
- Arkansas
- California
- Connecticut
- Delaware
- District of Columbia
- Florida
- Georgia
- Hawaii
- Idaho