• 3 days – If the housing is employer-provided.
• 5 days (most common) – If the housing is owned by a landlord with 5 or fewer single-family rental homes and said notice is mentioned in the lease (“exempt residential agreement”).^[1]
• 10 days – If the housing is owned by a landlord with 6 or more single-family rental homes or if notice was not made in the lease of an exempt residential agreement.
• 30 days – If the landlord owns the property with a federally backed mortgage (e.g., FHA, VA, USDA, etc.)^[2]

• Unpaid Rent – The landlord can send a demand for compliance the day after rent is due.^[3] However, the landlord cannot charge a late fee until the rent is late by more than 7 days.^[4]
• Material Violation – Any violation that is not considered “substantial.”^[5] Commonly examples of this include:
  • Unauthorized pets;
  • Property damage
  • Excessive notice;
  • Unauthorized guests
  • Improper use of the property; or
  • Failure to maintain cleanliness.
• Disturbing Conduct – If the tenant is causing a nuisance to the:
  • Landlord (must live on or adjacent to the property);
  • Other occupants of the property; or
  • Property’s neighbors.^[6]

A demand for compliance can be delivered in one of the following ways:

1. Leaving a copy with a person living on the premises and entering their name on the notice; or
2. Posting in a conspicuous place on the premises.^[7]

1. Must be made in writing and include:
   • Grounds for termination;
   • Description of the property;
   • Date and time when the property must be delivered by the tenant; and
   • Must be signed by the landlord, their agent, or an attorney.
2. The tenant must be informed of their right to mediation if they receive:
   • Supplemental security income;
   • Social Security disability; or
   • Cash assistance through the Colorado Works program.^[8]
3. Must be written in:
   • English;
   • Spanish; or
   • Any other language that is the tenant’s primary language.^[9]