Detached ADU near Thornton, CO
Verified Builders
1660 Lafayette Street, Denver, CO 80218
12.4 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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Zelenka Development
1660 South Albion Street, Denver, CO 80222
16.1 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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O'Brien Construction LLC
2235 West 47th Avenue, Denver, CO 80211
10.2 miles
O'Brien Construction LLC is an ADU contractor specializing in design, engineering, and construction of accessory dwelling units. Services include detached ADUs, additions, and design-assisted builds, with free consultations available.
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Arch Design & Build
9800 Mount Pyramid Court, Englewood, CO 80112
26.8 miles
Arch Design & Build is a licensed Denver remodeling company specializing in ADU construction, garage conversions, kitchen & bathroom remodeling, basement finishing, and home additions. They offer upfront pricing, VR design previews, and a proven step-by-step process.
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A2Z Builders
501 South Lipan Street, Denver, CO 80223
15.1 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.
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North Hill by Toll Brothers
14133 Kearney Loop, Thornton, CO 80602
2.8 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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ModernSpace ADU Construction Team Parker
10015 South Parker Road, Parker, CO 80134
27.4 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.
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Studio Home by Studio Shed
1500 Cherry Street, Louisville, CO 80027
10 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.
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3R Services
10825 West 32nd Avenue, Wheat Ridge, CO 80033
13.7 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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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.
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Murphey's Hammer LLC
Greenwood Village, CO 80112
21.7 miles
Murphey's Hammer is a Denver-based contractor specializing in ADUs, home additions, garage builds & outdoor living spaces. Serving Denver Metro, Aurora, Littleton & more with personalized, quality craftsmanship.
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F9 Productions Inc.
825 Crisman Dr #100, Longmont, CO CO 80501
21.2 miles
F9 Productions is a Colorado-based ADU architect and builder offering full-service design and construction. Award-winning firm handling residential, commercial, and ADU projects including garage conversions, interior design, and 3D visualization.
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ADU Home Tour
6825 Eaton Street, Arvada, CO 80003
8.4 miles
L&D Construction is Denver's dedicated ADU contractor, led by Colorado native David Schultz. Specializing in accessory dwelling units, detached ADUs, and backyard cottages since 2017, they bring deep local expertise and firsthand ADU building experience to every project.
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L&D Construction
5151 Bannock Street, Denver, CO 80216
9.4 miles
L&D Construction is a trusted ADU contractor and custom home builder led by owner David. Specializing in detached ADUs, granny flats, and full custom homes, they deliver quality craftsmanship, clear communication, and on-budget results.
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Henze Construction
Parker, CO 80138
29.2 miles
Henze 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.
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What you need to know
Searching for top Detached ADU ADU Contractors in Thornton, 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 Thornton 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.
Thornton 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 Thornton, Colorado, and get started today.