Tenant Rights in Boulder, Colorado

Last updated: April 2026

Boulder renters are protected by Colorado's Warranty of Habitability Act and a robust security deposit return rule. Despite Colorado lifting its rent control ban in 2021, Boulder has not enacted a rent control ordinance.

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Key Takeaways

Rent Control: None — Colorado lifted its ban on local rent control in 2021 (SB 21-173), but Boulder has not enacted an ordinance.
Security Deposit: Must be returned within 30 days (60 if lease allows) with an itemized statement; wrongful withholding triggers treble damages plus attorney's fees (C.R.S. § 38-12-103).
Notice to Vacate: At least 91 days' written notice required to terminate a month-to-month tenancy (C.R.S. § 13-40-107).
Just Cause Eviction: Not required — landlords do not need a stated reason to end a month-to-month tenancy with proper notice.
Local Resources: Colorado Legal Services (coloradolegalservices.org), Boulder County Housing Authority, Colorado Poverty Law Project (coloradopovertylaw.org)

1. Overview: Tenant Rights in Boulder

Boulder is the county seat of Boulder County and home to a large student and professional renter population. All residential rentals in Boulder are governed by Colorado statewide landlord-tenant law, including the Warranty of Habitability Act (C.R.S. § 38-12-501), the Security Deposit Act (C.R.S. § 38-12-103), and anti-retaliation protections under C.R.S. § 38-12-509. Colorado lifted its ban on local rent control in 2021 via SB 21-173, but Boulder has not enacted a rent control ordinance. Boulder does not have additional local tenant protection ordinances beyond state law.

2. Does Boulder Have Rent Control?

Colorado lifted its prohibition on local rent control ordinances in 2021 (SB 21-173, amending C.R.S. § 38-12-301), but as of April 2026 Boulder has not enacted rent control. Landlords in Boulder may raise rent by any amount at lease renewal or with proper notice on a month-to-month tenancy.

3. Colorado State Tenant Protections That Apply in Boulder

Colorado law provides these key protections for Boulder renters:

Security Deposit: Must be returned within 30 days of move-out (or up to 60 days if the lease allows) with a written itemized statement. Wrongful withholding entitles the tenant to treble damages plus attorney's fees (C.R.S. § 38-12-103).
Notice to Terminate: Month-to-month tenants must receive at least 91 days' written notice before the landlord can terminate the tenancy (C.R.S. § 13-40-107).
Habitability: Colorado's Warranty of Habitability Act (C.R.S. § 38-12-501) requires landlords to maintain habitable conditions. For serious violations, tenants may reduce rent or terminate the lease.
Anti-Retaliation: Landlords cannot retaliate against tenants for exercising legal rights or reporting code violations (C.R.S. § 38-12-509).
Lockout Prohibition: Self-help eviction is prohibited. Landlords must obtain a court judgment before removing a tenant.

4. Security Deposit Rules in Boulder

Under C.R.S. § 38-12-103, your landlord must return your security deposit within 30 days of move-out (or up to 60 days if your lease specifically allows the longer period), along with a written itemized statement of deductions. If your landlord wrongfully withholds any portion, you may be entitled to treble damages (three times the withheld amount) plus attorney's fees. Document the unit's condition at move-in and move-out with photos and provide your forwarding address in writing.

5. Eviction Process and Your Rights in Boulder

To evict a tenant in Boulder, a landlord must serve written notice — typically 10 days for nonpayment of rent — then file a Forcible Entry and Detainer (FED) action in Boulder County Court if you do not vacate. You have the right to contest the eviction at a hearing. Self-help eviction is illegal in Colorado; landlords who change locks or shut off utilities may face civil liability and damages.

6. Resources for Boulder Tenants

Frequently Asked Questions

Does Boulder have rent control?

No. Colorado lifted its ban on local rent control in 2021, but Boulder has not enacted a rent control ordinance as of April 2026.

How much can my landlord raise my rent in Boulder?

There is no limit. Colorado has no statewide rent stabilization law, and Boulder has no local ordinance, so landlords may raise rent by any amount at lease renewal or with proper notice on a month-to-month tenancy.

How long does my landlord have to return my security deposit in Boulder?

30 days from move-out (or up to 60 days if the lease allows), with a written itemized statement under C.R.S. § 38-12-103. Wrongful withholding can entitle you to treble damages plus attorney's fees.

What notice does my landlord need before evicting me in Boulder?

To terminate a month-to-month tenancy, at least 91 days' written notice is required under C.R.S. § 13-40-107. For nonpayment of rent, a 10-day written notice is typically required before filing in Boulder County Court.

Can my landlord lock me out or shut off utilities in Boulder?

No. Self-help eviction is illegal in Colorado. A landlord who changes your locks or shuts off utilities to force you out may face civil liability and damages.

What can I do if my landlord refuses to make repairs in Boulder?

Colorado's Warranty of Habitability Act (C.R.S. § 38-12-501) requires landlords to maintain habitable conditions. For serious unresolved violations, you may be entitled to reduce rent or terminate the lease. Contact Colorado Legal Services or the Boulder County Housing Authority for help.

This article provides general information about tenant rights in Boulder and is not legal advice. Laws change — verify current rules with a local attorney or tenant organization.

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Other Cities in Colorado

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