Landlord Rules in Colorado: Renting Out Property (2026)

Reviewed by DocDraft Legal Team · Colorado · Last updated 2026-05-18

Letting residential property in Colorado is a statute-driven exercise. Colorado law sets the deposit return clock (Within one month after the termination of a lease or surrender and acceptance of the.) and the entry-notice minimum (at least twenty-four hours) explicitly. What follows is the Colorado-specific landlord compliance sequence, from before move-in through after the tenancy ends.

Key Considerations

Once a Colorado tenant is in possession, two timing rules matter. The landlord cannot walk in unannounced. at least twenty-four hours And the landlord cannot terminate a month-to-month arrangement without statutory notice. at least twenty-one days

The eviction sequence in Colorado starts with statutory notice and ends in court. Once you post the proper notice (Demand for Compliance - JDF99 A; or Notice to Terminate Tenancy - JDF99 B; or Notice of No Fault Eviction - JDF99 C) and the allotted time has passed, you may file the Eviction Complaint (JDF 101) and the Eviction Summons (JDF 102), along with a copy of the notice that you posted, with the Court. Outside that sequence, fair-housing law applies to advertising, screening, terms, and termination. The complaint URL is

A Colorado owner who lets a unit must navigate registration first. No state-level statute. Governed by common law / municipal ordinance / case law as applicable. Deposit handling is the next gate. two monthly rent payments Once the tenant leaves, the clock starts running. Within one month after the termination of a lease or surrender and acceptance of the premises, whichever occurs last, unless the lease agreement specifies a longer period of time, but not to exceed sixty days.

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Residential Lease Agreement Rental Application Form Move-In/Move-Out Inspection Checklist

Relevant Documents

A Colorado landlord packet typically pulls from state-specific forms: a residential lease that reflects Colorado disclosure rules, the statutory entry-notice template, the state-specific deposit-receipt and itemized-deduction form, and the pre-suit eviction notice the state requires.

Landlord's Rules and Regulations

A supplementary document to the lease that outlines specific rules for the property, such as quiet hours, guest policies, and maintenance responsibilities.

Move-In/Move-Out Inspection Checklist

A document that records the condition of the rental property before the tenant moves in and after they move out, which helps determine if any damage occurred during the tenancy.

Notice of Entry Form

A document used by landlords to notify tenants of their intent to enter the rental property, typically required by state law with specific advance notice periods.

Rental Application Form

A form used to collect information about potential tenants, including employment history, income, references, and authorization for background and credit checks.

Residential Lease Agreement

A legally binding contract between a landlord and tenant that outlines the terms and conditions of the rental arrangement, including rent amount, security deposit, lease duration, and other important provisions.

Security Deposit Receipt

A document acknowledging the landlord's receipt of the security deposit, including the amount, date received, and where the deposit will be held.

Relevant Laws

Colorado Warranty of Habitability (C.R.S. § 38-12-503)

This law requires landlords to maintain rental properties in a habitable condition. Landlords must ensure the property has functioning heating, plumbing, electricity, and is free from mold and pest infestations. Failure to maintain these standards can result in tenants withholding rent or terminating the lease.

Colorado Security Deposit Law (C.R.S. § 38-12-101 to 104)

Landlords in Colorado must return security deposits within one month after a tenant moves out, unless the lease specifies a longer period (up to 60 days maximum). The law also specifies what deductions are permissible and requires itemized statements for any deductions made.

Colorado Rental Application Fee Law (C.R.S. § 38-12-903)

Landlords can only charge application fees that cover the actual costs of screening tenants. They must provide receipts for these fees and return any unused portion. This protects potential tenants from excessive application fees.

Colorado Notice Requirements (C.R.S. § 13-40-107)

Landlords must provide proper notice before terminating a tenancy or increasing rent. For month-to-month tenancies, 21 days' notice is required. This ensures tenants have adequate time to find new housing or adjust their budgets.

Colorado Bed Bug Law (C.R.S. § 38-12-1001)

This law outlines specific responsibilities for both landlords and tenants regarding bed bug infestations. Landlords must treat infestations within a reasonable time after being notified, and tenants must promptly report suspected infestations.

Colorado Fair Housing Act (C.R.S. § 24-34-501)

This law prohibits discrimination in housing based on race, color, religion, sex, disability, familial status, national origin, sexual orientation, gender identity, and more. Landlords must ensure their tenant selection process complies with these anti-discrimination provisions.

Colorado Landlord Entry Laws (C.R.S. § 38-12-1004)

Landlords must provide reasonable notice (typically 24 hours) before entering a rental property, except in emergencies. This balances the landlord's right to maintain their property with the tenant's right to privacy and quiet enjoyment.

Regional Variances

Front Range Urban Areas

Denver has stricter rental licensing requirements than most Colorado jurisdictions. Landlords must obtain a rental license and pass regular inspections. The city also has stronger tenant protections including a requirement for landlords to provide a written notice of tenant rights and resources with each lease. Denver enforces rent control for income-restricted properties and has specific regulations for short-term rentals requiring primary residence status.

Boulder has some of the most stringent rental regulations in Colorado, including a rental licensing program with mandatory inspections every 4 years. The city limits the number of unrelated people who can live together (typically 3-4 depending on zoning). Boulder also has a 'SmartRegs' program requiring rental properties to meet minimum energy efficiency standards, with compliance deadlines that have already passed.

Fort Collins requires rental registration and has occupancy limits (typically no more than 3 unrelated adults per dwelling). The city has a specific 'U+2' ordinance limiting occupancy that is actively enforced. Fort Collins also has noise ordinances that particularly affect rental properties in college neighborhoods near CSU.

Mountain Resort Communities

Aspen has strict short-term rental regulations with different permit types based on location and owner occupancy. The city imposes higher lodging and sales taxes on short-term rentals. Aspen also has affordable housing requirements that may affect long-term rental properties, including deed restrictions and workforce housing programs that limit rent increases.

Vail requires short-term rental licenses with specific safety requirements and occupancy limits. The town has implemented a tiered fee structure based on whether the property is owner-occupied or investment property. Vail also has specific HOA and covenant restrictions in many neighborhoods that may further restrict rental activities beyond town regulations.

Breckenridge has implemented a cap on the total number of short-term rental licenses in certain zones. The town requires business licenses, sales tax licenses, and accommodation unit licenses for rentals. Breckenridge also has specific trash, parking, and noise regulations that affect rental properties, with substantial fines for violations.

Rural and Western Slope Areas

Grand Junction has fewer rental restrictions compared to Front Range cities. The city does not require rental licensing for long-term rentals, though business licenses may be required. Grand Junction has less restrictive occupancy limits and fewer regulations on rental properties in general, making it easier for landlords to operate.

Durango requires permits for short-term rentals with limitations in certain residential zones. For long-term rentals, the city has implemented a rental registration program with basic safety requirements. Durango also has specific wildfire mitigation requirements for properties in the wildland-urban interface that may affect rental properties.

Regulations vary significantly in unincorporated areas across Colorado counties. Many rural counties have minimal rental regulations beyond state law. However, counties with tourism impacts (like Summit, Eagle, and Pitkin) have begun implementing short-term rental regulations. Water rights and well permits in rural areas may also restrict rental usage of properties not connected to municipal water systems.

Suggested Compliance Checklist

Audit state and city registration rules for the property's location

Before listing days after starting

No state-level statute. Governed by common law / municipal ordinance / case law as applicable.

Size the security deposit to the rule and confirm the holding-account requirements

Before signing days after starting

two monthly rent payments

Bundle the mandatory disclosures into the lease packet

At lease signing days after starting

Before signing a lease agreement for residential real property, the landlord shall disclose and provide in writing to the tenant a specific warning statement about radon, any knowledge the landlord has of the property's radon concentrations, and a copy of the most recent brochure published by the department of public health and environment that provides advice about radon in real estate transactions.

Serve the statutory periodic-tenancy termination notice in writing

Ongoing days after starting

at least twenty-one days

Document: lease-termination-letter

Document advance notice for any non-emergency entry

As needed days after starting

at least twenty-four hours

Refund or itemize the deposit before the statutory cut-off

At move-out days after starting

Within one month after the termination of a lease or surrender and acceptance of the premises, whichever occurs last, unless the lease agreement specifies a longer period of time, but not to exceed sixty days.

If eviction becomes necessary, follow the statutory notice and filing sequence

If eviction needed days after starting

Once you post the proper notice (Demand for Compliance - JDF99 A; or Notice to Terminate Tenancy - JDF99 B; or Notice of No Fault Eviction - JDF99 C) and the allotted time has passed, you may file the Eviction Complaint (JDF 101) and the Eviction Summons (JDF 102), along with a copy of the notice that you posted, with the Court.

Apply fair-housing rules across advertising, screening, and tenancy decisions