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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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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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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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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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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TinyMod (TMOD™) is an offsite development partner offering feasibility analysis, project management, and factory coordination for builders. Services support ADUs, modular communities, BFR, and missing middle housing with up to 60% faster build times.
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AAA Home Improvements is a Denver ADU contractor building detached ADUs, garage conversions, basement units & in-law suites across the Front Range. They manage design, permitting & construction for homeowners in Denver, Lakewood, Arvada & Littleton.
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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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L&D Construction builds ADUs across Denver, including detached units, garage conversions, and attached living spaces. Projects focus on multigenerational living, rental income, and accessibility, serving neighborhoods citywide with zoning-compliant, adaptable designs.
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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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As experienced ADU builders in Denver, Kalin Construction has helped numerous homeowners bring their visions for their homes to life. They'll listen to your wants and needs for the project, then craft an ADU that checks all of your boxes. Whether you're interested in a detached ADU or another type of accessory dwelling unit, they specialize in ADU projects that can provide affordable housing and passive income.
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Denver Custom ADU is a trusted ADU builder in Denver with 30+ years of experience. Led by Matt Brinn, they offer fixed pricing, monthly billing, proactive permitting, and commercial-grade standards for every residential ADU project.
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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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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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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.
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.