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Detached ADU near Littleton, CO
ADU 5280
440 Pennsylvania Street, Denver, CO 80203 9.3 milesADU 5280 is a Denver-based ADU design-build company since 2013, offering detached ADUs, garage conversions & home additions. They manage zoning, permits, design & construction for homeowners looking to boost property value.
read moreHenze Construction
Parker, CO 80138 15 milesHenze Construction builds custom tiny homes and ADUs, including detached units, backyard cottages, and granny flats. Their 240 sq ft Architectural Tiny Home featured spruce wood, oak countertops, and propane systems. Custom builds available.
read more3R Services
10825 West 32nd Avenue, Wheat Ridge, CO 80033 12.8 miles3R 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 moreNorth Hill by Toll Brothers
14133 Kearney Loop, Thornton, CO 80602 25.7 milesExpert 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.
read moreCustom ADU Builders LLC
6564 West Atlantic Avenue, Lakewood, CO 80227 8.8 milesCustom ADU Builders, LLC is Denver's trusted ADU contractor offering detached ADUs, garage conversions, and home remodeling. Serving Aurora, Lakewood & more with transparent pricing and expert permitting support.
read moreDenver Dream Builders
2339 East 5th Avenue, Denver, CO 80206 10.3 milesColorado general contractor since 2005, offering ADU builds, kitchen remodels, bathroom renovations, basement finishing, roofing, and new home construction. Free consultation, no upfront payment, licensed and insured.
read morePrestige Contractors
115 Wilcox Street, Castle Rock, CO 80104 17.4 milesPrestige 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.
read moreEcoMod
22303 Interstate 76 Frontage Road, Hudson, CO 80642 39.9 milesEcoMod 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%.
read moreKalin Construction
201 Columbine Street, Denver, CO 80206 9.5 milesAs experienced ADU builders in Denver, Kalin Construction has helped numerous homeowners bring their visions for their homes to life. They'll listen to your wants and needs for the project, then craft an ADU that checks all of your boxes. Whether you're interested in a detached ADU or another type of accessory dwelling unit, they specialize in ADU projects that can provide affordable housing and passive income.
read moreAAA Home Improvements
10701 West Morrison Road, Lakewood, CO 80227 8.1 milesAAA Home Improvements is a Denver ADU contractor building detached, garage conversion, basement, above-garage, and attached ADUs across the Front Range. They manage design, permitting, and construction for homeowners seeking rental income, multigenerational living, or added property value.
read moreStudio Home by Studio Shed
1500 Cherry Street, Louisville, CO 80027 26.4 milesStudio 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 moreAAA Home Improvements, Inc.
10701 West Morrison Road, Lakewood, CO 80227 8.1 milesAAA 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 moreRiver North Basement Company
3629 Jason Street, Denver, CO 80211 12.2 milesRiver 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 moreKoeppen Construction
7845 Lookout Road, Longmont, CO 80503 34.3 milesKoeppen 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.
read moreOther cities in Colorado
- Arvada
- Aurora
- Boulder
- Buena Vista
- Cañon City
- Castle Rock
- Colorado Springs
- Commerce City
- Denver
- Edgewater
- Englewood
- Evergreen
- Fort Collins
- Grand Junction
- Greenwood Village
What you need to know
Searching for top Detached ADU ADU Contractors in Littleton, Colorado? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Littleton ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Littleton homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Littleton, Colorado, and get started today.