ADU Contractors near Fort Collins, CO
EcoMod
22303 Interstate 76 Frontage Road, Hudson, CO 80642
39.4 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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Superior Construction & Home Renovations
9815 Eagle Creek Circle, Commerce City, CO 80022
47.7 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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Easthope Design
Oro Valley, Fort Collins, CO 85755
1.7 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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Studio Home by Studio Shed
1500 Cherry Street, Louisville, CO 80027
40.3 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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Jacques Family Construction
3500 Swanstone Drive, Fort Collins, CO 80525
2.3 miles
Jacques Family Construction is a licensed general contractor in Fort Collins, CO, offering custom home building, remodeling, basement finishing, home additions, and garage conversions, including JADUs, across Northern Colorado.
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Little Home Builder
12509 Lk Pt Ct, Longmont, CO CO 80504
25.8 miles
Little Home Builder is Colorado's dedicated ADU contractor, specializing in stick-built detached ADUs, garage conversions & studios. Full-service from zoning to warranty. Build time: 4–8 months. Financing options available.
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Rocky Mountain ADUs
Loveland, CO 80435
10.4 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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Elmntl
4559 Ute Highway, Longmont, CO 80503
23.9 miles
Elmntl builds modular ADUs across Denver and Colorado's Front Range. Specializing in detached ADUs, garage conversions, and in-law suites, they handle zoning, permitting, and installation with a 10-year structural warranty.
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North Hill by Toll Brothers
14133 Kearney Loop, Thornton, CO 80602
41.7 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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ADU Home Tour
6825 Eaton Street, Arvada, CO 80003
48.2 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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F9 Productions Inc.
825 Crisman Dr #100, Longmont, CO CO 80501
24.1 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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Sheffield Homes
6777 Wadsworth Boulevard, Arvada, CO 80003
49.4 miles
Sheffield Homes, founded in 1978, is a trusted Colorado custom home builder offering fully personalized builds since 2018. Services include basement finishing, luxury finishes, energy upgrades, and flexible floor plans, backed by decades of quality craftsmanship.
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Studio Shed
1500 Cherry Street, Louisville, CO 80027
40.3 miles
Studio Home is a Colorado-based prefab ADU builder serving all 50 states. With 18+ years experience and 6,000+ projects, they offer panelized ADU kits, backyard studios, granny flats, and in-law suites with fixed pricing and full project management.
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Olerra Living Innovations
1945 Canyon Boulevard, Boulder, CO 80302
38.2 miles
Olerra Living Innovations builds modular ADUs called Flex-Flats in Colorado. Models range from 245 to 735 sq ft, featuring steel-frame construction, 10+ year warranties, and 10,000+ design options. Projects complete in 3–6 months, costing 40–50% less than site-built ADUs.
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Other cities in Colorado
What you need to know
ADU Contractors in Fort Collins: Building in a Progressive, Growth-Focused City
Fort Collins, Colorado is a vibrant university town and one of the fastest-growing cities along the Front Range. Known for its commitment to sustainability, walkable neighborhoods, and housing innovation, Fort Collins has embraced Accessory Dwelling Units (ADUs) as a key strategy to address its ongoing housing demand. Whether you're near Colorado State University, in the historic Old Town district, or in one of the newer suburban neighborhoods, working with experienced ADU contractors in Fort Collins is essential to navigating the city's specific zoning codes and building requirements.
Fort Collins ADU Regulations You Need to Know
Fort Collins operates under a detailed Land Use Code that governs where and how ADUs can be built. The city permits ADUs in most residential zone districts, including Low Density Residential (RL), Low Density Mixed-Use Neighborhoods (LMN), and Medium Density Mixed-Use Neighborhoods (MMN). Key regulations that your Fort Collins ADU contractor must be familiar with include:
- Maximum size: Detached ADUs are generally limited to 1,000 square feet or 30% of the primary dwelling's floor area, whichever is less.
- Owner-occupancy: Fort Collins requires that the property owner occupy either the primary residence or the ADU.
- Setback requirements: ADUs must comply with standard rear and side yard setbacks, which vary by zone district.
- Parking: At least one off-street parking space is typically required for the ADU unit.
- Building permits: All ADU construction requires permits through the City of Fort Collins Development Review Center.
Types of ADUs Built by Fort Collins Contractors
Skilled ADU builders in Fort Collins work on a variety of unit types to suit different lot sizes, budgets, and homeowner goals. The most common types include:
- Detached ADUs: Standalone structures in the backyard, often called carriage houses or backyard cottages.
- Attached ADUs: Units connected to the primary home, sharing at least one wall.
- Garage Conversions: Transforming an existing attached or detached garage into a livable space.
- Basement ADUs: Converting an existing basement into a separate, code-compliant dwelling unit.
Why Hire a Local ADU Contractor in Fort Collins?
Hiring a local ADU contractor in Fort Collins, CO means working with professionals who understand Larimer County building codes, the city's utility connection requirements, and the nuances of Fort Collins' historic and newer neighborhoods. Local contractors are also familiar with the city's Affordable Housing Incentive Program, which may offer fee waivers or reductions for qualifying ADU projects. This local expertise can save you significant time and money throughout the permitting and construction process.
Start Your Fort Collins ADU Project Today
With housing demand continuing to rise in Fort Collins, adding an ADU to your property is a smart investment. Whether you're looking to generate rental income, house a family member, or increase your property value, partnering with a qualified ADU contractor in Fort Collins, Colorado ensures your project is completed efficiently, legally, and to the highest standard.