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.
read more
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.
read more
FBC Remodel Denver uses a Design-Build model for home additions, integrating architects and contractors under one roof for efficient, accurate budgeting and clear communication. They handle permits, offer guaranteed pricing, 3D renderings, and manage projects from design to completion.
read more
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.
read more
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.
read more
JT Home Building specializes in ADU construction with 15+ years of experience. Services include detached ADUs, garage conversions, granny flats & casitas. Custom solutions for rental income, family housing & property value growth.
read more
O'Brien Construction LLC is an ADU contractor specializing in design, engineering, and construction of accessory dwelling units. Services include detached ADUs, additions, and design-assisted builds, with free consultations available.
read more
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.
read more
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.
read more
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 more
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.
read more
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.
read more
Alpine ADU builds custom & prefab ADUs, garage conversions, and tiny homes across Greater Denver, Boulder, Fort Collins & Colorado Springs. Services include design, permits, and full construction management on Colorado's Front Range.
read more
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.
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.