Colorado Tiny Homes builds luxury, eco-friendly ADUs across Denver, Castle Rock & the Rockies. Offering standard, mid-range & custom models, plus garage conversions. Free lot assessment included. Full permitting & project management handled.
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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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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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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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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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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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Arise Constructions is a Denver, CO full-service residential contractor offering custom homes, ADUs, remodels, additions, and structural work. They use the JobTread portal for transparency and back all work with a minimum one-year warranty.
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Custom 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.
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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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Littleton Construction, LLC is a Denver Metro general contractor since 1994, offering remodeling, additions, kitchens, basements & more. A+ BBB rated, licensed & insured, with 5-star reviews and a 1-year workmanship warranty.
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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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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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Factor Design Build is a Denver & Boulder, CO design-build firm with 30+ years of experience in luxury home remodeling, custom new homes & additions. Their integrated team of architects, designers & builders ensures seamless, on-budget results.
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ADU4U is a veteran-owned ADU builder in Denver offering full-service accessory dwelling unit construction, planning, real estate, and financing. Build a granny flat, in-law suite, or detached ADU for rental income or multigenerational living.
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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%.
read moreBoulder, Colorado is widely recognized as one of the most progressive and environmentally conscious cities in the nation. With its strict growth management policies, including the Boulder Valley Comprehensive Plan and the city's urban growth boundary, housing density has become a critical issue. Accessory Dwelling Units (ADUs) have emerged as a key solution to Boulder's housing shortage, and experienced ADU contractors in Boulder, CO play a vital role in helping homeowners navigate this unique landscape.
Working with a knowledgeable ADU contractor in Boulder is essential because the city has specific rules governing ADU construction. Boulder's zoning code allows ADUs in most residential zones, but contractors must be well-versed in the following requirements:
Experienced ADU builders in Boulder, Colorado are skilled in constructing various types of accessory dwelling units to suit different property configurations and homeowner needs. The most common types include:
Hiring a local ADU contractor in Boulder offers significant advantages. Local professionals understand the nuances of Boulder's permitting process through the City of Boulder Planning and Development Services department. They are familiar with the city's emphasis on sustainable building practices, including solar-ready construction and high-performance insulation standards that align with Boulder's 80% emissions reduction goal by 2050. A local contractor can also help homeowners take advantage of Boulder's ADU incentive programs and navigate neighborhood-specific design guidelines.
Given Boulder's consistently high property values and strong rental market — driven in part by the University of Colorado Boulder — adding an ADU can be an excellent financial investment. A well-built ADU can generate significant rental income while increasing overall property value. Working with a qualified, licensed ADU contractor in Boulder, CO ensures your project is completed efficiently, up to code, and built to last in Colorado's variable mountain climate.