Colorado Lease Termination Letter

A 30/60-day notice to end a month-to-month or expiring lease, from either the landlord or the tenant, with the notice period your state requires.

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Colorado rules that this document follows

Month-to-month noticeLandlord: 21 days; Tenant: 21 daysSource: Colo. Rev. Stat. § 13-40-107(1)(c) (tenancy of 1 month to less than 6 months)
Week-to-week notice3 daysSource: Colo. Rev. Stat. § 13-40-107(1)(d)
Just cause required for landlordYesSource: Colo. Rev. Stat. § 38-12-1301 et seq. (HB 24-1098: cause required to evict or non-renew tenants of 12+ months; 90-day notice for no-fault grounds)
Early-termination rightsServicemembers Civil Relief Act; Victim of domestic violence, unlawful sexual behavior or stalkingSource: 50 U.S.C. § 3955; Colo. Rev. Stat. § 38-12-402(2)
StatuteColo. Rev. Stat. § 13-40-107; § 38-12-1301 et seq.

Rules current as of 2026-09-07. Statutes change; verify before relying on them.

How to use this Lease Termination Letter in Colorado

Deliver the notice so that you can prove the date — certified mail or hand delivery with a signed receipt. Count the notice period from delivery, not from the date you wrote it, and make the end date land on the last day of a rental period if Colorado requires it.

Tenants: give a forwarding address in the letter so the deposit deadline starts running. Landlords: do not accept rent beyond the termination date unless you intend to continue the tenancy.

Frequently asked questions

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

Tenant: 21 days; landlord: 21 days (Colo. Rev. Stat. § 13-40-107(1)(c) (tenancy of 1 month to less than 6 months)). A written lease may require more.

Can a tenant break a lease early?

Only under the lease's early-termination clause or a statutory right: Servicemembers Civil Relief Act; Victim of domestic violence, unlawful sexual behavior or stalking. Otherwise the tenant remains liable for rent, subject to the landlord's duty to mitigate.

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FormsByState provides self-help document templates and general information, not legal advice. We are not a law firm. For advice about your situation consult a licensed attorney in your state.