Detached ADU near Longmont, CO
Superior Construction & Home Renovations
9815 Eagle Creek Circle, Commerce City, CO 80022
24 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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F9 Productions Inc.
825 Crisman Dr #100, Longmont, CO CO 80501
2.2 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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Building While Giving
2859 South Locust Street, Denver, CO 80222
36.2 miles
River North Basement Company
3629 Jason Street, Denver, CO 80211
28.2 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.
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3R Services
10825 West 32nd Avenue, Wheat Ridge, CO 80033
27.9 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
7.6 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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JT Home Building
1001 Bannock St Suite 416, Denver, CO 80204
30.7 miles
JT Home Building specializes in ADU construction with 15+ years of experience. Services include detached ADUs, garage conversions, granny flats & casitas. Custom solutions for rental income, family housing & property value growth.
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Rescue Restoration & Construction
1415 Park Avenue West, Denver, CO 80205
29 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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Kindred Tiny Homes
1040 S Gaylord Ste, Denver, CO 80209
34.8 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.
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Alex Home Pro
4851 S Lisbon Way, Aurora, CO 80015
41.8 miles
Alex Home Pro builds attached, detached, garage conversion, junior, and internal ADUs. Services cover design, permitting, and construction tailored to each property. ADUs can generate rental income, house family, or add long-term property value.
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Henze Construction
Parker, CO 80138
48.3 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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A2Z Builders
501 South Lipan Street, Denver, CO 80223
32.2 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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Sustainable Design Build
99 Inca Street, Denver, CO 80223
31.6 miles
Sustainable Design Build is Denver's premier ADU builder and contractor, using design-build for accessory dwelling units, garage conversions, in-law suites, backyard cottages, granny flats, and detached ADUs. Benefits: single contract, faster timelines, cost efficiency, fixed pricing. Experts in local zoning since 2017.
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Easthope Design
Oro Valley, Fort Collins, CO 85755
28 miles
Easthope Design is a Fort Collins ADU design firm led by architect Richard Esteb. Specializing in custom ADUs, garage conversions & granny flats across Northern Colorado, they handle design, permits, zoning & construction supervision.
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Rocky Mountain ADUs
Loveland, CO 80435
15.9 miles
Rocky Mountain ADUs is a Denver-based, family-owned ADU builder offering full-service design, permitting & construction. They provide studio, 1-, 2-, 3-bedroom & loft ADU floor plans, supporting rental income & multi-generational living.
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What you need to know
Searching for top Detached ADU ADU Contractors in Longmont, 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 Longmont 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.
Longmont 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 Longmont, Colorado, and get started today.