Colorado Month-to-Month Lease Agreement

Last Updated: April 19, 2024 by Roberto Valenzuela

A Colorado month-to-month rental agreement is a contract (not necessarily in writing) which allows a tenant to rent property from a landlord, for one month at a time, in exchange for a fee (“rent”). The rental renews monthly, until either party gives proper notice to end it.

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For information about fixed-term leases in Colorado (i.e., a term of one year or more), click here.

Basics of a Colorado Month-to-Month Rental Agreement

In Colorado, a landlord and tenant create a month-to-month lease by agreeing to rent a property according to acceptable terms. Written rental agreements are clearer and legally stronger, but oral leases are legal in a month-to-month context.

Parties under a month-to-month lease enjoy full rights under Colorado landlord-tenant law. The tenant must use the property in a responsible way and pay rent on time. The landlord must keep essential features of the property in habitable condition, and protect the tenant’s quiet enjoyment of the lease.

The main difference between a month-to-month lease and a fixed-term lease is that month-to-month leases can be terminated (with proper notice) by either party for any reason without penalty. Landlords also can usually modify terms from one month to the next, again with proper notice.

Required Disclosures for Month-to-Month Rentals in Colorado

Colorado landlords may not rent a property out without making the following disclosures to a potential tenant, as relevant:

  • Landlord’s Name and Address (required for all leases) – All residential leases in the state of Colorado must contain the name and address of the landlord or authorized agent, to enable smooth communication of legal notice. When contact information changes, the landlord must provide updated information within one business day.
  • Radon Gas Disclosure (required for all leases) – Colorado law requires that all residential lease agreements include a radon gas disclosure. This must include a a formal statement about the dangers of radon gas, plus current information about radon testing and concentrations on the property. The disclosure is not valid unless signed by the tenant.
  • Income Non-Discrimination Disclosure (required for most leases) – Colorado requires a rental agreement, by default, to contain a statement that the state prohibits discrimination based on source of income as long as ability to pay rent is verified. Small-scale landlords operating five or fewer total rental units are exempt from this disclosure requirement.
  • Lead-Based Paint Disclosure (required for some leases) – For any property built before 1978, federal law requires that a Colorado residential lease must contain a lead-based paint disclosure with an EPA informational pamphlet, plus notice of any lead hazards on the property.

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The state page for fixed-term leases may have more detailed information on required disclosures.

Required Notice To End a Month-to-Month Rental in Colorado

Colorado allows termination of a month-to-month lease with at least 21 days of advance notice. In general, any reason that isn’t landlord retaliation is a legal and valid grounds for ending a month-to-month lease.

Required Notice To Raise the Rent on a Colorado Month-to-Month Lease

Colorado requires that notice for a rental increase be delivered in writing, at least 60 days in advance.

Eviction in Colorado Month-to-Month Rentals

Colorado tenants may face eviction for violating a month-to-month lease or remaining on the property after the notice period allowed by a valid termination. Evictions in Colorado typically take two to four weeks.

For more information on the eviction process in Colorado, click here.

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