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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AAA Home Improvements is a Denver ADU contractor building detached, garage conversion, basement, above-garage, and attached ADUs across the Front Range. They manage design, permitting, and construction for homeowners seeking rental income, multigenerational living, or added property value.
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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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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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Krick Design + Build is a Colorado Front Range residential design-build firm specializing in ADUs. Founded by Licensed Architect Matthew Krick, they've completed 57+ ADUs including backyard cottages, garage conversions, and in-law suites.
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Sunward Steel Buildings offers pre-engineered steel accessory dwelling units (ADUs), including granny flats and in-law suites. As a direct manufacturer, they provide customizable, code-compliant, affordable backyard cottage solutions across North America.
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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%.
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ADU 5280 is a Denver-based ADU design-build company since 2013, offering detached ADUs, garage conversions & home additions. They manage zoning, permits, design & construction for homeowners looking to boost property value.
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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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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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As experienced ADU builders in Denver, Kalin Construction has helped numerous homeowners bring their visions for their homes to life. We'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, we specialize in ADU projects that can provide affordable housing and passive income.
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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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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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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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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.
read moreEvergreen, Colorado is a unique mountain community nestled in Jefferson County, sitting at an elevation of approximately 7,000 feet. Unlike many Front Range cities, Evergreen is an unincorporated community, which means ADU contractors in Evergreen must work within Jefferson County's zoning and building regulations rather than a municipal code. This distinction is critical when planning and constructing an Accessory Dwelling Unit (ADU) in this scenic foothills community.
Since Evergreen falls under Jefferson County jurisdiction, ADU contractors must navigate the county's specific land use regulations. Jefferson County allows ADUs on properties zoned for single-family residential use, but there are important requirements to keep in mind:
Experienced ADU contractors in Evergreen, CO understand that mountain construction comes with a distinct set of challenges not found in urban or suburban settings. The rugged terrain, heavily wooded lots, and rocky soil conditions require specialized site preparation and foundation work. Additionally, Evergreen's high elevation means contractors must account for heavy snow loads in roof design and structural planning, adhering to Jefferson County's strict building codes for mountain properties.
Many Evergreen properties rely on private wells and septic systems, which adds complexity to ADU projects. Before construction begins, a licensed ADU contractor must coordinate with Jefferson County Environmental Health to ensure the existing septic system can handle the additional load, or plan for system upgrades. This step is non-negotiable and can significantly impact project timelines and budgets.
Choosing a contractor with direct experience in Evergreen and Jefferson County is essential for a smooth ADU build. Local ADU contractors are familiar with the county's permitting process, understand the geological and environmental conditions specific to the area, and have established relationships with local inspectors and subcontractors. They also understand wildfire mitigation requirements, which are particularly relevant in Evergreen's forested landscape.
Whether you're looking to build a detached guest house, a garage conversion, or a basement ADU in Evergreen, Colorado, working with a knowledgeable local contractor is the key to success. From navigating Jefferson County permits to managing mountain construction challenges, the right ADU contractor will guide you through every step of the process efficiently and professionally.