Louisville, Colorado Short Term Rental Regulations Guide for Airbnb hosts

Overview: Are Short-Term Rentals Allowed in Louisville, Colorado?

No, short-term rentals are explicitly prohibited in Louisville, Colorado. The Louisville Municipal Code clearly states that short-term rental of dwelling units, including Accessory Dwelling Units (ADUs), is not permitted. Properties within Louisville city limits are only allowed to be rented for monthly or longer leasing periods according to the city's definition of "dwelling unit."

What do Airbnb hosts actually earn in Louisville?

Louisville hosts earn a median $37,516/year with $207 ADR and 69% occupancy.

Top performers pull in $59,230+ per year.

See the full Louisville market breakdown

How to Start a Short-Term Rental Business in This Market

Unfortunately, starting a traditional short-term rental business in Louisville is not feasible due to the explicit prohibition in city code. However, investors have several alternative options:

Alternative Investment Strategies:

Long-term rental properties - Focus on traditional rentals with 30+ day minimum stays
ADU development - Build ADUs as long-term rentals (monthly+ stays only)
Guest houses - Develop guest houses that comply with city definitions (no cooking facilities)
Boulder County opportunities - Consider properties in unincorporated Boulder County where STRs are allowed with proper licensing

Required Documents, Permits, Licenses, and Guidelines

For Louisville Properties (STR Prohibited):

Long-Term Rentals Only:

Standard rental property permits and licenses
Building permits for any construction
Certificate of Occupancy
Compliance with all zoning requirements

ADU Development (Long-term rental only):

Building permit for ADU construction
Certificate of Exception (for existing units built before May 20, 2025)
Compliance with ADU zoning requirements
Utility connections and tap fees

For Boulder County Unincorporated Properties (STR Allowed):

Short-Term Rental License:

Completed application with required documentation
Property inspection
$350 initial fee, $250 renewal fee
Two-year license validity
Good Neighbor Guidelines compliance

Vacation Rental License:

Completed application with required documentation
Property inspection
$500 initial fee, $300 renewal fee
Geographic restrictions apply
Two-year license validity

Specific Regulations for Short-Term Rentals

Louisville City Regulations (Applicable to Louisville):

Short-Term Rental Prohibition:

All dwelling units prohibited from STR use (less than 30 days)
Includes primary homes, ADUs, and guest houses
ADUs permitted but only for long-term rental (monthly+)
Guest houses allowed with restrictions (no cooking facilities, shared utilities)

ADU Regulations (Long-term rental only):

Attached ADUs: Maximum 1,000 sq ft (up to 1,200 sq ft with incentives)
Detached ADUs: Maximum 800 sq ft (up to 1,000 sq ft with incentives)
Must comply with setbacks, height, and lot coverage requirements
Parking requirements apply
Building permits and impact fees required

Certificate of Exception Process (for existing units):

Available for units built before May 20, 2025
$200 application fee
Safety inspection required
Voluntary process to legalize existing ADUs

Boulder County Regulations (Unincorporated Areas Only):

Short-Term Rental License:

Primary residence requirement
Owner/tenant must be present during rentals
Up to 45 nights/year when owner not present
Two on-site parking spaces required
Maximum 8 occupants or septic system capacity, whichever is less

Vacation Rental License:

Entire home rental (no owner presence)
Limited to Forestry (F) and Mountain Institutional (MI) zones
Geographic caps: 194 licenses in Upper St. Vrain, 83 in Bald Mountain
Prohibited in Plains CCD and subdivisions in Bald Mountain CCD
Two on-site parking spaces required

Colorado State-Level Regulations:

Recent ADU Legislation (HB24-1152):

State law requires Louisville to allow ADUs on all single-family lots
Implementation deadline: June 2025
Louisville adopted ADU ordinance effective June 23, 2025

Contact Information for Local Authority

Louisville City (STRs Prohibited):

Planning Department:

Phone: (303) 335-4592
Email: planning@louisvilleco.gov
Address: City Hall, 749 Main Street, Louisville, CO 80027
Hours: Monday-Thursday 8AM-4PM (In-Person), 4PM-5PM (Remote); Friday 8AM-5PM (Remote)

Building Department:

Phone: (303) 335-4584
Email: building@louisvilleco.gov

Boulder County Community Planning & Permitting (Unincorporated STRs):

STR Licensing:

Phone: (303) 441-3930
Email: strlicensing@bouldercounty.gov

Planning Division:

Email: planner@bouldercounty.gov
Phone: (303) 441-3930

Wildfire Partners (Required for West Boulder County):

Phone: (303) 441-1420
Email: info@wildfirepartners.org

Address:

Community Planning & Permitting
PO Box 471, Boulder, CO 80306
Courthouse Annex Building, 2045 13th St., Boulder, CO 80302

Public Office Hours:

8 a.m. to 3 p.m., Monday, Wednesday, Thursday
10 a.m. to 3 p.m., Tuesday
Virtual Service Hours: 8 a.m. to 4:30 p.m., Monday, Wednesday, Thursday and Friday; 10 a.m. to 4:30 p.m., Tuesday

Links to Source Pages

Louisville Sources:

Boulder County Sources:

Additional Resources:

Investment Recommendations

Given Louisville's prohibition on short-term rentals, serious STR investors should:

Consider unincorporated Boulder County properties where STR licensing is available
Focus on long-term rental strategies within Louisville city limits
Explore ADU development for long-term rental income
Research neighboring jurisdictions that may allow STRs
Monitor policy changes as Colorado's ADU legislation continues to evolve

The regulatory environment in Louisville clearly prioritizes long-term housing stability over short-term rental income, making traditional STR investments inadvisable in this market.

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Ask the AI Advisor about Louisville

Louisville is a small city in Boulder County, Colorado, with a population of roughly 21,000 residents. Once a coal-mining town founded in the late 1800s, it has evolved into a quiet, well-kept suburb known for its walkable historic core, leafy residential streets, and a string of locally owned restaurants and breweries that have earned the town a reputation as one of the more charming small communities along the northern Front Range. It sits about eight miles east of Boulder and roughly thirty miles northwest of downtown Denver, placing it within easy reach of a major metropolitan airport and a long list of outdoor destinations.

The heart of the city is its historic downtown, centered along Main Street and known locally as Old Town. Brick storefronts, preserved mining-era architecture, and a relaxed streetscape give the area a distinctive character, and it serves as the gathering place for community events including a long-running summer farmers' market. The compact district is easily explored on foot, and visitors will find cafes, art galleries, and small shops clustered within a few short blocks. Just a short drive south of the historic core, Waneka Lake Park offers a quieter local experience, with a small reservoir, walking paths, picnic areas, and green space popular with families and casual visitors.

A few minutes west of town, Boulder functions as the region's main cultural and recreational hub. Home to the University of Colorado Boulder, the city offers the pedestrian-only Pearl Street Mall, a thriving restaurant scene, and immediate access to the iconic Flatirons rock formations that rise just west of town. The drive between Louisville and central Boulder typically takes about fifteen minutes under normal traffic, making day trips straightforward for visitors.

To the west, the Rocky Mountains are the area's marquee draw. Rocky Mountain National Park, with its alpine trails, wildlife viewing, and Trail Ridge Road, lies roughly seventy miles northwest of Louisville, or about a ninety-minute to two-hour drive depending on conditions. Closer to home, Eldora Mountain Resort offers a smaller, family-friendly ski and snowboard hill about twenty-five miles west, generally reachable in under forty-five minutes, while the broader network of Boulder County open-space trails begins just beyond the city limits.

For short-term rental operators, Louisville offers an appealing combination: a calm, residential setting with genuine small-town character, but with Boulder, Denver, and the high country all within an easy drive. Visitors who book a stay here can spend a morning strolling a historic main street, an afternoon hiking in the foothills, and an evening back in time for a locally brewed beer, a balance that tends to draw both leisure travelers and those visiting the region for work or family.