Colorado Eviction Notice for Unpaid Rent

What Colorado law says

• JDF 99A: 10 days for a residential agreement, 5 for exempt, 3 for employer housing, 30 for CARES Act property.
• Day 1 is the day after service.
• Delivery: personal service on tenant or someone over 15 at the home, or posting on the front door after a second failed attempt (C.R.S. 13-40-108).
• The form cites C.R.S. 13-40-104 and 106.

Steps for a landlord

• Complete the demand with grounds, address, rent and deadline.
• Serve per 13-40-108.
• Count from the day after service.
• Provide mediation and repayment info where required.

What to put in the notice

• The names of the tenants and the address of the rental
• The amount of rent owed and the rental period it covers
• The number of days the tenant has to pay or move out, and the date that period ends
• The date, how the notice was delivered, and who delivered it
• Your name and contact details, with your signature

Things to watch

• Exempt agreements apply to landlords with five or fewer single-family homes with a lease waiver.
• Check an attorney.
• Cities and counties can add their own rules, including rent control and extra notice requirements. Check your local rules too.

About this page

We checked this page against the official sources listed below in November 2026. Where an official page did not say something, we say so. Laws change and courts read them differently, so confirm the current rule with the statute, the court or a local attorney before you act. This is general information, not legal advice.