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Boulder

Colorado · United States
Restricted
Last updated: 2026-07-29  ·  Last verified: 2026-07-29  ·  Region: US

At a Glance — Boulder Airbnb & STR Rules

RuleDetails
Regulatory StatusRestricted — rules apply
Permit / License RequiredYes
Tax RateCity of Boulder accommodations tax: 7.5% (self-collected, filed via Boulder Online Tax System); separate state/county/RTD components collected by Colo
Night / Day CapNo annual night cap; each individual stay must be 29 consecutive days or fewer
Minimum StayNot specified; maximum stay 29 consecutive days
Permit FeeSTR rental license fee ~$190; business license fee ~$25; license issued for a four-year term
PenaltiesLicense void if annual affidavit not completed; license non-transferable on sale; enforcement through Boulder's Rental Licensing program
Primary Residence RequiredYes — property must be the owner's principal residence (defined as where the owner resides more than half the year, i.e., >183 days). Investment/non-o
Occupancy LimitNo STR-specific numeric cap; occupancy may not exceed limits under the city's Property Maintenance Code (Chapter 10-2, Boulder Revised Code 1981)
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Boulder Airbnb & Vacation Rental Regulation Overview

Boulder Short-Term Rental Regulations Overview

Short-term rentals in Boulder, Colorado are allowed but subject to significant restrictions under local regulations as of 2026. Hosts operating on Airbnb, VRBO, or other vacation rental platforms must obtain proper licensing: Yes. The associated permit fees are STR rental license fee ~$190; business license fee ~$25; license issued for a four-year term.

Tax Requirements for Airbnb Hosts in Boulder

Short-term rental operators in Boulder should be aware of these tax obligations: City of Boulder accommodations tax: 7.5% (self-collected, filed via Boulder Online Tax System); separate state/county/RTD components collected by Colorado Department of Revenue.

Hosting Rules and Restrictions in Boulder

Key operational rules for vacation rental hosts in Boulder include: Primary residence requirement: Yes — property must be the owner's principal residence (defined as where the owner resides more than half the year, i.e.. Rental day cap: No annual night cap; each individual stay must be 29 consecutive days or fewer. Occupancy limit: No STR-specific numeric cap; occupancy may not exceed limits under the city's Property Maintenance Code (Chapter 10-2, B. Minimum stay: Not specified; maximum stay 29 consecutive days.

Zoning and Location Requirements in Boulder

Zoning considerations for short-term rentals in Boulder: STRs are permitted where owner-occupancy condition is met; Boulder does not use a separate STR zoning overlay. STRs are never permitted for owners of permanently affordable (covenant-restricted) homes. Density rules: No density cap or spacing requirement published for City of Boulder STRs. Insurance: Not mandated by city ordinance; self-certification of smoke/CO detectors required.

Penalties for Non-Compliance in Boulder

Hosts who fail to comply with Boulder's short-term rental regulations may face enforcement action. License void if annual affidavit not completed; license non-transferable on sale; enforcement through Boulder's Rental Licensing program.

Platform Obligations in Boulder

Platform obligations for services like Airbnb, VRBO, and Booking.com operating in Boulder: Operators must register for and remit the 7.5% accommodations tax directly to the City of Boulder via the Boulder Online Tax System (salestax@bouldercolorado.gov); Boulder is a home-rule, self-collect.

Full Regulatory Details

Regulatory Status
Restricted
License / Registration
Yes
Tax Registration
Yes
Permit Fee
STR rental license fee ~$190; business license fee ~$25; license issued for a four-year term
Primary Residence Rule
Yes — property must be the owner's principal residence (defined as where the owner resides more than half the year, i.e., >183 days). Investment/non-owner-occupied properties are ineligible. License is non-transferable and void upon property sale.
Night / Day Cap
No annual night cap; each individual stay must be 29 consecutive days or fewer
Occupancy Limit
No STR-specific numeric cap; occupancy may not exceed limits under the city's Property Maintenance Code (Chapter 10-2, Boulder Revised Code 1981)
Tax Rate
City of Boulder accommodations tax: 7.5% (self-collected, filed via Boulder Online Tax System); separate state/county/RTD components collected by Colorado Department of Revenue
Zoning Restrictions
STRs are permitted where owner-occupancy condition is met; Boulder does not use a separate STR zoning overlay. STRs are never permitted for owners of permanently affordable (covenant-restricted) homes per city ordinance.
Minimum Stay
Not specified; maximum stay 29 consecutive days
Density Rules
No density cap or spacing requirement published for City of Boulder STRs
Insurance Required
Not mandated by city ordinance; self-certification of smoke/CO detectors required
Platform Obligations
Operators must register for and remit the 7.5% accommodations tax directly to the City of Boulder via the Boulder Online Tax System (salestax@bouldercolorado.gov); Boulder is a home-rule, self-collected municipality
Compliance Notes
Application must include: Colorado driver's license or state ID showing property address as applicant's address; sworn statement of principal residency; certification of operational smoke detectors, carbon monoxide detectors, and other life-safety equipment; names and phone numbers of two local contacts able to respond to property within 60 minutes. Annual affidavit to certify continued principal residency must be completed by anniversary date or license becomes void. Four-year license term.
Effective Date
Current licensing framework in effect; Boulder County Licensing Ordinance No. 2023-02 governs unincorporated county areas
Key Notes
City of Boulder STRs are strictly owner-occupied/principal-residence-only — no investor or non-hosted whole-home STRs. Permanently affordable (covenant) homes are categorically excluded from STR. Boulder County (unincorporated areas) operates under a separate licensing ordinance (Ord. 2023-02) that allows both Short-Term Rental Licenses (owner/tenant present, up to 45 nights away) and Vacation Rental Licenses.
Penalties
License void if annual affidavit not completed; license non-transferable on sale; enforcement through Boulder's Rental Licensing program
Additional Context
Boulder is a home-rule municipality that self-collects city taxes. STR defined as rental of 29 days or less. Unincorporated Boulder County has separate requirements under Ordinance 2023-02 administered by Community Planning & Permitting (strlicensing@bouldercounty.gov).
Sources
https://bouldercolorado.gov/services/rental-housing-licensing-short-te…
https://bouldercolorado.gov/homeownership/rental
Boulder County Licensing Ordinance No. 2023-02: https://bouldercounty.gov/departments/community-planning-permitting/short-term-dwelling-vacation-rental-licensing/
📋 Apply / Register with the Official Authority

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Frequently Asked Questions

Is Airbnb legal in Boulder?

Airbnb and short-term rentals are legal in Boulder but subject to restrictions. Hosts must comply with local permit requirements and zoning rules. Application must include: Colorado driver's license or state ID showing property address as applicant's address; sworn statement of principal residency; certification of operational smoke detectors, c

Do you need a permit for Airbnb in Boulder?

Yes. Boulder requires the following for short-term rental operation: Yes.

What taxes apply to short-term rentals in Boulder?

Short-term rental hosts in Boulder are subject to the following tax obligations: City of Boulder accommodations tax: 7.5% (self-collected, filed via Boulder Online Tax System); separate state/county/RTD components collected by Colorado Department of Revenue.

What are the penalties for illegal Airbnb hosting in Boulder?

Hosts who operate without proper permits in Boulder may face enforcement. License void if annual affidavit not completed; license non-transferable on sale; enforcement through Boulder's Rental Licensing program.

What are the key STR compliance requirements in Boulder?

City of Boulder STRs are strictly owner-occupied/principal-residence-only — no investor or non-hosted whole-home STRs. Permanently affordable (covenant) homes are categorically excluded from STR. Boulder County (unincorporated areas) operates under a separate licensing ordinance (Ord. 2023-02) that allows both Short-Term Rental Licenses (owner/tenant present, up to 45 nights away) and Vacation Ren

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