Garage Conversion near Thornton, CO
Original Roots Design + Build
383 Corona Street, Denver, CO 80218
13.8 miles
Central Denver's trusted ADU builders and design/build remodelers specialize in older homes. Offering garage conversions, granny flats, and detached ADUs, their skilled team delivers client-inspired design, quality craftsmanship, and outstanding service.
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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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NAGY Design
2255 Sheridan Blvd. Unit C270, Edgewater, CO 80214
13.1 miles
NAGY Design built a standout 2,200 sq ft detached ADU in Denver's Sloan's Lake, nominated for Best ADU 2022. Costs range $100K–$300K. Their full-service process covers planning, permits, and construction oversight.
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Koeppen Construction
7845 Lookout Road, Longmont, CO 80503
16 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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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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DL Engineering Inc.
9100 West Jewell Avenue, Lakewood, CO 80232
17.8 miles
Denver ADUs (granny flats, garage conversions, in-law units) offer affordable housing density solutions. DL Engineering Inc. provides structural engineering, design, and permitting services for Denver accessory dwelling unit projects.
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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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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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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 Dream Builders
2339 East 5th Avenue, Denver, CO 80206
12.8 miles
Colorado 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.
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Prestige Contractors
115 Wilcox Street, Castle Rock, CO 80104
38.2 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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Alpine ADU
6145 Broadway, Denver, CO 80216
8.1 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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Denver ADU Builders
970 S Clayton Way, Denver, CO 80209
15.3 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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AAA Home Improvements
10701 West Morrison Road, Lakewood, CO 80227
20.2 miles
AAA 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.
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Superior Construction & Home Renovations
9815 Eagle Creek Circle, Commerce City, CO 80022
5.5 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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What you need to know
Searching for top Garage Conversion 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 Garage Conversion 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 Garage Conversion 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 Garage Conversion experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Garage Conversion ADU Contractors in Thornton, Colorado, and get started today.