ADU Contractors near Denver, CO
AAA Home Improvements, Inc.
10701 West Morrison Road, Lakewood, CO 80227
15.3 miles
AAA Home Improvements is a Denver ADU contractor building detached ADUs, garage conversions, basement units & in-law suites across the Front Range. They manage design, permitting & construction for homeowners in Denver, Lakewood, Arvada & Littleton.
read more
Alpine ADU
6145 Broadway, Denver, CO 80216
6.8 miles
Alpine ADU builds custom & prefab ADUs, garage conversions, and tiny homes across Greater Denver, Boulder, Fort Collins & Colorado Springs. Services include design, permits, and full construction management on Colorado's Front Range.
read more
Verified Builders
1660 Lafayette Street, Denver, CO 80218
6 miles
Verified Builders is a licensed Denver remodeling company offering ADU construction, kitchen & bathroom remodeling, basement finishing, and custom home builds. Serving Denver, Littleton, Aurora & more since 2016.
read more
Olerra Living Innovations
1495 Canyon Boulevard, Boulder, CO 80302
27.6 miles
The Smartest Modular ADU for your Backyard
read more
ModernSpace ADU Construction Team Parker
10015 South Parker Road, Parker, CO 80134
16 miles
ModernSpace ADU Construction is a trusted ADU builder in Corona with 20+ years of experience. They offer detached ADUs, garage conversions, JADUs, attached additions, and full design services including permits and 3D renderings.
read more
Building While Giving
2859 South Locust Street, Denver, CO 80222
7 miles
Zelenka Development
1660 South Albion Street, Denver, CO 80222
6.2 miles
Zelenka Development is a licensed ADU builder and custom home contractor in the Denver metro area, offering ADU construction, garage conversions, renovations, and integrated design services with full permitting support.
read more
Studio Home by Studio Shed
1500 Cherry Street, Louisville, CO 80027
19.2 miles
Studio Home by Studio Shed offers custom & prefab ADUs across Texas, including San Antonio, Austin, Dallas & Houston. Units range from studios to full living spaces. Permit costs vary: Dallas $3K–$8K, Houston $2.5K–$7.5K.
read more
River North Basement Company
3629 Jason Street, Denver, CO 80211
6.6 miles
River North Basement Company is a Denver ADU contractor offering construction and remodeling services for accessory dwelling units, including rental units, in-law suites, and guest spaces, ensuring code compliance throughout.
read more
Denver Custom ADU
10790 West 50th Avenue, Wheat Ridge, CO 80033
13 miles
Denver Custom ADU is a trusted ADU builder in Denver with 30+ years of experience. Led by Matt Brinn, they offer fixed pricing, monthly billing, proactive permitting, and commercial-grade standards for every residential ADU project.
read more
A2Z Builders
501 South Lipan Street, Denver, CO 80223
8.1 miles
A2Z Builders is a Denver-based, family-owned Class A General Contractor with 16+ years of experience. They specialize in ADU construction, custom home builds, kitchen, bathroom, and basement remodeling across the Denver metro area.
read more
L&D Construction
5151 Bannock Street, Denver, CO 80216
6.4 miles
L&D Construction builds ADUs across Denver, including detached units, garage conversions, and attached living spaces. Projects focus on multigenerational living, rental income, and accessibility, serving neighborhoods citywide with zoning-compliant, adaptable designs.
read more
Sunward Steel Buildings
6800 E. Hampden Ave., Denver, CO 80224
7.8 miles
Sunward Steel Buildings offers pre-engineered steel accessory dwelling units (ADUs), including granny flats and in-law suites. As a direct manufacturer, they provide customizable, code-compliant, affordable backyard cottage solutions across North America.
read more
Kindred Tiny Homes
1040 S Gaylord Ste, Denver, CO 80209
7.5 miles
Kindred Tiny Homes builds custom stick-built ADUs across Colorado. Studios from $98K, 1-bed to $220K, 2-bed to $287K. Earn $2K–$3K/month rental income, boost property value 20–40%. Full project management, transparent pricing, 12-month timeline.
read more
3R Services
10825 West 32nd Avenue, Wheat Ridge, CO 80033
12.1 miles
3R Services builds ADUs in Arvada, CO, including backyard cottages, garage conversions & in-law suites. Projects cost $80K–$250K, take 3–6 months, and include permitting, transparent pricing & a 1-year warranty.
read more
Other cities in Colorado
What you need to know
ADU Professionals in Denver, Colorado: Your Guide to Accessory Dwelling Units
If you're considering adding an accessory dwelling unit to your property, working with experienced ADU professionals in Denver, Colorado is essential. Denver's booming housing market and evolving zoning regulations make ADUs an increasingly popular solution for homeowners looking to maximize property value, generate rental income, or create multigenerational living spaces. With the right team of Denver ADU contractors and consultants, your project can move forward smoothly and efficiently.
Why ADUs Are Thriving in Denver
Denver has experienced significant population growth over the past decade, driving up housing demand and rental prices across neighborhoods like Capitol Hill, Highland, Washington Park, and Baker. In response, the City of Denver has actively updated its zoning codes to encourage ADU development. Since Denver's landmark zoning code updates, many single-family and multi-unit residential zones now permit ADUs by right, meaning homeowners can build without requiring a special use permit in many cases. This makes Denver one of the more ADU-friendly cities in Colorado, and skilled ADU professionals are in high demand to help navigate the process.
Key Denver ADU Regulations You Need to Know
Working with knowledgeable ADU specialists in Denver is critical because local regulations can be complex. Here are some important rules that professionals must navigate:
- Zoning Eligibility: ADUs are permitted in many Denver residential zones, including S-SU, S-MU, and U-SU zones, but eligibility varies by lot size and location.
- Size Limitations: Detached ADUs in Denver are generally limited to a maximum of 1,000 square feet or 50% of the primary dwelling's square footage, whichever is less.
- Owner-Occupancy Requirements: Denver previously required owner-occupancy for ADU properties, though recent policy discussions have aimed at relaxing these rules to encourage more development.
- Setback and Height Rules: ADUs must comply with specific rear and side setback requirements, as well as maximum height restrictions that vary by zone district.
- Parking Requirements: Depending on the location and proximity to transit corridors, parking requirements for ADUs may be waived or reduced.
What Denver ADU Professionals Offer
Top-rated ADU builders and designers in Denver provide a comprehensive range of services to take your project from concept to completion. These services typically include site assessment, architectural design, permit acquisition, construction management, and interior finishing. Experienced professionals understand Denver's Department of Community Planning and Development (CPD) requirements and can streamline the permitting process, saving homeowners valuable time and money.
Choosing the Right ADU Professional in Denver
When selecting an ADU contractor in Denver, CO, look for professionals with a proven portfolio of local projects, strong knowledge of Denver's building codes, and positive client reviews. Ask about their experience with both attached and detached ADUs, garage conversions, and basement ADUs — all popular options across Denver's diverse neighborhoods. The right professional will guide you through every step, ensuring your ADU is built legally, efficiently, and to the highest standard.