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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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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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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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 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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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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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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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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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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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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Square1 Construction Limited offers expert ADU build services, including detached ADUs, garage conversions, granny flats, and in-law suites. They handle permits, design, and construction to boost property value and create functional, energy-efficient living spaces.
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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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Giudice Builds is a Colorado Springs ADU contractor specializing in accessory dwelling units. Projects range from $250K–$400K+, with planning from $5K. A recent 640 sq ft ADU was completed in 6.5 months for $230K.
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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.
read moreNestled along the South Platte River and known for its charming historic downtown, Littleton, Colorado has become one of the Denver metro area's most desirable communities. As housing demand continues to grow across the Front Range, many Littleton homeowners are turning to Accessory Dwelling Units (ADUs) as a smart solution for adding living space, generating rental income, or housing family members. Finding the right ADU contractor in Littleton, CO is the critical first step toward making that vision a reality.
Before breaking ground, homeowners must understand that Littleton has specific zoning codes governing ADU construction. The City of Littleton falls under its own municipal jurisdiction — separate from unincorporated Arapahoe or Jefferson County — meaning local rules apply. Key considerations include:
A knowledgeable Littleton ADU contractor will be well-versed in navigating the city's permitting process through the Community Development Department, ensuring all plans meet the International Residential Code (IRC) as adopted by Colorado, along with any local amendments.
Experienced ADU builders in Littleton typically work on several types of accessory dwelling units suited to the area's residential landscape:
When selecting an ADU contractor in Littleton, Colorado, look for professionals who are licensed with the State of Colorado, carry proper liability insurance, and have demonstrated experience with local permitting. The best contractors will handle everything from design and engineering to permit submission and final inspection, making the process seamless for homeowners in this competitive Front Range market.
With Littleton's strong property values and proximity to Denver, investing in an ADU is a financially sound decision — and the right contractor will ensure your project is completed on time, on budget, and fully compliant with all local regulations.