General information only, not legal advice. Laws change. Verify requirements with a licensed attorney or the statute before acting. Last reviewed: June 2026.

Notice to Vacate · CO

Colorado notice to vacate law

Required notice periods for month-to-month tenancies in Colorado, cited to Colo. Rev. Stat. § 13-40-107; § 38-12-1301 (HB24-1098, eff. April 2024).

At a glance

Tenant notice
21 days
Landlord notice
21 days (<6 months) / 28 days (6–12 months) / 90 days (1+ year, just cause required)
Just cause required
Yes (HB24-1098 (eff. April 2024): landlords must have a qualifying just cause to terminate tenancies of 12+ months and give 90 days' notice. Short-term tenancies under 12 months remain no-cause with tiered notice.)
Statute
Colo. Rev. Stat. § 13-40-107; § 38-12-1301 (HB24-1098, eff. April 2024)
Last reviewed
June 2026

Frequently asked questions

How much notice must a tenant give to end a month-to-month lease in Colorado?

In Colorado, a tenant must provide 21 days written notice to terminate a month-to-month tenancy. (Colo. Rev. Stat. § 13-40-107; § 38-12-1301 (HB24-1098, eff. April 2024), last reviewed June 2026.)

How much notice must a landlord give to end a month-to-month tenancy in Colorado?

In Colorado, a landlord must give 21 days (<6 months) / 28 days (6–12 months) / 90 days (1+ year, just cause required) written notice to terminate a month-to-month tenancy. (Colo. Rev. Stat. § 13-40-107; § 38-12-1301 (HB24-1098, eff. April 2024).) HB24-1098 (eff. April 2024): landlords must have a qualifying just cause to terminate tenancies of 12+ months and give 90 days' notice. Short-term tenancies under 12 months remain no-cause with tiered notice.

Does Colorado require just cause to end a month-to-month tenancy?

Yes. HB24-1098 (eff. April 2024): landlords must have a qualifying just cause to terminate tenancies of 12+ months and give 90 days' notice. Short-term tenancies under 12 months remain no-cause with tiered notice.

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