ADU Contractors near Denver, CO
Krick Design Build
759 1/2 Elati Street, Denver, CO 80204
6.7 miles
Krick Design + Build is a Colorado Front Range residential design-build firm specializing in ADUs. Founded by Licensed Architect Matthew Krick, they've completed 57+ ADUs including backyard cottages, garage conversions, and in-law suites.
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Prestige Contractors
115 Wilcox Street, Castle Rock, CO 80104
27 miles
Prestige Contractors builds ADUs in Castle Rock & Douglas County with 20+ years of experience. Services include detached units, garage conversions, above-garage ADUs & attached additions. Fully permit-managed & code-compliant.
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Denver ADU Builders
970 S Clayton Way, Denver, CO 80209
6 miles
Denver ADU Builders helps Denver homeowners plan and build ADUs. Services cover permits, design, and construction. Rental income potential ranges from $2,220–$7,000/month. 40+ years of local building experience.
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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.
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Koeppen Construction
7845 Lookout Road, Longmont, CO 80503
26.6 miles
Koeppen Construction builds Accessory Dwelling Units (ADUs) in Longmont, CO, and nearby areas. Services include detached, attached, and garage conversion ADUs for rental, multigenerational living, or guest use. Permitting assistance included.
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Rescue Restoration & Construction
1415 Park Avenue West, Denver, CO 80205
6.1 miles
Rescue Restoration specializes in constructing Additional Dwelling Units (ADUs) in Colorado. Their lead chief estimator can help design a custom ADU to fit your needs and financial goals. They are the lead resource in the Denver Metro area when it comes to constructing attached, detached, or basement ADUs.
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NOCO Design Build
1275 Grant St, Denver, CO 80203
6 miles
NOCO Design Build is a Colorado contractor offering full-service residential remodeling and construction, including kitchen and bathroom remodels, new construction, ADUs, basement finishing, garage conversions, and custom projects.
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EcoMod
22303 Interstate 76 Frontage Road, Hudson, CO 80642
25.9 miles
EcoMod is a Denver-based ADU builder offering sustainable, affordable housing using repurposed shipping containers. Models range from 320–800 sq ft, starting at $64,000. Homes are 9x stronger, last 200+ years, and cut construction costs by 30%.
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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.
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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.
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Vertical Contracting - Detached Garage Builders
516 South Xenon Court, Lakewood, CO 80228
14.7 miles
Vertical Contracting is a licensed full-service construction & remodeling company offering garage builds, ADU conversions, interior remodeling, pergolas, and flatwork. Known for quality craftsmanship and client-focused service.
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Arise Constructions & Remodels
44 Cook Street, Denver, CO 80206
4.9 miles
Arise Constructions is a Denver, CO full-service residential contractor offering custom homes, ADUs, remodels, additions, and structural work. They use the JobTread portal for transparency and back all work with a minimum one-year warranty.
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North Hill by Toll Brothers
14133 Kearney Loop, Thornton, CO 80602
13.5 miles
Expert ADU contractors handle detached ADUs, garage conversions, granny flats, JADUs & in-law suites. From design and permitting to final inspection, experienced ADU builders ensure code-compliant, high-quality accessory dwelling unit construction.
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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.
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Superior Construction & Home Renovations
9815 Eagle Creek Circle, Commerce City, CO 80022
7.9 miles
Superior Construction & Home Renovations builds permitted ADUs in Denver, including backyard cottages, garage conversions, and basement suites. Following Denver's 2024 expansion, ~70% of residential lots now qualify. Full-service from zoning to final inspection.
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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.