Free Colorado 91-Day Notice to Terminate (End of Lease)
Colorado end-of-lease notice for non-renewal under C.R.S. § 13-40-107. The required notice period scales with tenancy length: 21 / 28 / 91 days. Use 91 days for tenancies of 1 year or longer.
The Colorado end-of-lease notice is the written notice landlords use to tell a tenant the tenancy will not continue past the lease term or rental period. Under C.R.S. § 13-40-107, the required notice period depends on tenancy length: 21 days (1–6 months), 28 days (6–12 months), or 91 days (1+ year). For fixed-term leases ending on a specific date, no notice may be needed; however, many lease agreements require non-renewal notice and Colorado’s HB24-1098 just-cause protections may apply.
Colorado End-of-Lease Notice at a Glance
Statute
C.R.S. § 13-40-107
Notice Period
91 Days
1+ Year Tenancy
91 Days
After Notice
Tenant Vacates
⚠ Colorado End-of-Lease Notice
Under C.R.S. § 13-40-107, the notice period for ending a tenancy scales with length: 21 days (1–6 mo.), 28 days (6–12 mo.), 91 days (1+ year). Fixed-term leases ending at a time certain may not require notice (C.R.S. § 13-40-107(4)), but the lease itself may require non-renewal notice. HB24-1098 just-cause protections may apply.
How to Serve the Colorado End-of-Lease Notice
Determine the correct notice period
Determine the tenancy length to identify the correct notice period: 21 days (1–6 months), 28 days (6–12 months), 91 days (1+ year). For tenancies of 12+ months, also consider just-cause requirements under HB24-1098.
Prepare the notice
Prepare the written notice. It must describe the property, state the specific termination date, and be signed by the landlord or authorized agent. Include the statute citation.
Serve the notice
Serve per C.R.S. § 13-40-108: personal service, substituted service, or posting if vacant. Retain an affidavit of service.
Wait the statutory period
Wait the full statutory notice period before any further action. The tenancy ends on the specific termination date stated in the notice.
Document and follow up
If the tenant does not vacate by the termination date, file a forcible entry and detainer (FED) action in Colorado county court.
Generate the Colorado Notice
Complete the fields below to generate a Colorado 91-day end-of-lease notice. State the lease/tenancy details and the termination date. Service must comply with C.R.S. § 13-40-108; retain proof of service.
ℹ Colorado end-of-lease notice (C.R.S. § 13-40-107)
Use the correct notice period for your tenancy length: 21 days (1–6 months), 28 days (6–12 months), or 91 days (1+ year). For tenancies of 12+ months, also verify whether HB24-1098 just-cause protections apply.
1. Notice Header (From / To / Property)
From (Landlord / Property Manager)
To (Tenant)
2. Tenancy / Lease Information
3. Notice Content
4. Signature
About This Colorado Notice
A Colorado end-of-lease notice is the written notice landlords use to tell a tenant the tenancy will not continue past the rental period or lease term. C.R.S. § 13-40-107 sets the notice period based on tenancy length: 21 days (1–6 months), 28 days (6–12 months), 91 days (1+ year). For fixed-term leases ending on a specific date, C.R.S. § 13-40-107(4) provides that no notice is technically required, but the lease itself may require non-renewal notice. Colorado HB24-1098 introduced just-cause eviction protections that may apply to tenancies of 12+ months. Best practice: identify tenancy length, use the correct notice period, state a specific termination date, include a property description, sign the notice, serve per C.R.S. § 13-40-108, retain an affidavit, and consult counsel for tenancies of 12+ months.
Colorado Statutory Requirements
- Statute: C.R.S. § 13-40-107 (Notice to Terminate Tenancy)
- Notice period: 21 / 28 / 91 days based on tenancy length
- Written form required
- Property description required
- Specific termination date required
- Signature by landlord or authorized agent
- Service per C.R.S. § 13-40-108
- HB24-1098 just-cause may apply for 12+ month tenancies
Service Methods Permitted
- Personal service on the tenant (preferred)
- Substituted service — person of suitable age at the premises
- Posting — on the premises if vacant
- Certified mail — supplemental
- Retain affidavit of service
Common Mistakes
- Wrong notice period for the actual tenancy length
- Vague termination date
- No property description
- Missing signature
- Improper service
- Ignoring HB24-1098 just-cause requirements for longer tenancies
Best Practices
- Identify tenancy length precisely
- Use correct notice period under § 13-40-107
- Specific calendar date for termination
- Include property description
- Sign and date
- Serve per § 13-40-108 and retain affidavit
- Consult counsel for 12+ month tenancies (HB24-1098)
Bottom line
Colorado end-of-lease notice periods under C.R.S. § 13-40-107: 21 / 28 / 91 days based on tenancy length. State a specific termination date, include property description, sign, serve per § 13-40-108, retain affidavit. HB24-1098 just-cause may apply for tenancies of 12+ months — consult counsel.
Frequently Asked Questions
What is a Colorado end-of-lease notice?
A Colorado end-of-lease notice is a written notice from the landlord to the tenant that the tenancy will not continue past the rental period or lease term. The required notice period varies under C.R.S. § 13-40-107: 21 days (1–6 months), 28 days (6–12 months), or 91 days (1+ year).
What notice period applies to my tenancy?
Use the period that matches the actual tenancy length: 21 days (1–6 months), 28 days (6–12 months), or 91 days (1+ year). For fixed-term leases ending on a specific date, C.R.S. § 13-40-107(4) may not require statutory notice, but the lease itself often does.
How must I serve the notice?
Service must comply with C.R.S. § 13-40-108: personal service, substituted service (with a person of suitable age at the premises), or posting if the premises are vacant. Retain an affidavit of service — required for any later FED action.
Does HB24-1098 just-cause apply?
Colorado HB24-1098 introduced just-cause eviction protections, most clearly applicable to tenancies of 12+ months. Non-renewal of a longer tenancy may require a permitted ground under HB24-1098. Consult Colorado counsel for any tenancy of 12+ months before serving an end-of-lease notice.
Can the tenant force renewal?
Colorado does not provide a statutory cure right for end-of-lease non-renewal with proper notice. However, HB24-1098 just-cause protections may limit the landlord’s discretion to refuse renewal for longer tenancies. The tenant may also negotiate; the landlord is not obligated to agree.
What if the tenant doesn’t vacate?
If the tenant has not vacated by the termination date, the landlord may file a forcible entry and detainer (FED) action in Colorado county court. The court can issue a judgment for possession; the sheriff then executes the lockout.
Screen Colorado tenants thoroughly before move-in
The best termination notice is the one you never need to send. Tenant Screening Background Check has been verifying renters since 2004 — credit, eviction filings, criminal background, and employment — across all 50 states and DC.
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