ADU Contractors

Maui Eco Built offers prefab & custom ADUs, granny flats, and homes on Maui. Panelized construction cuts build time. Structures range from permit-exempt under 200 sq ft to 3,000 sq ft homes. Design, permits & site planning available.

Longevity Home Solutions specializes in custom home building, aging-in-place design, ADUs, in-law suites, and multigenerational living. Services include remodeling, accessibility upgrades, garage conversions, and financing assistance for adaptable, comfortable homes.

Prenvalley Builders is Denver's trusted ADU contractor & custom home builder. Specializing in ADUs, renovations, pop-tops & garages across the Front Range, they offer a seamless design-build process with honest pricing & energy-efficient construction.

Resilient Homes Inc is a licensed ADU contractor offering custom accessory dwelling units, including granny flats, in-law suites, and rental units. They handle permitting, design, and construction with guaranteed workmanship and budget transparency.

Backyard Blueprint is a Portland, OR family-owned ADU contractor with 20+ years of experience. Services include detached ADUs, garage conversions, and remodels. They offer 15+ floor plans and custom designs, managing permits to completion in 4–6 months.

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.

Tarheel Tiny Homes builds custom stick-built tiny homes, ADUs, granny flats & in-law suites on-site. Clients choose finishes, layouts, windows & more. Serving Lake Norman & beyond as a trusted ADU contractor.

Next Generation Construction is a trusted ADU builder in Kansas City, specializing in detached ADUs, garage conversions, in-law suites, and rental-ready units built to code with quality craftsmanship.

Alchemy Architects, founded in 1992 in Saint Paul, MN, specializes in prefab homes, ADUs, and the weeHouse system. Their LightHouse line offers backyard cottages and granny flats, with 60+ projects completed across the US.

Era Builders is a Seattle-based ADU contractor offering detached ADU construction, design, permitting, remodeling, and commercial renovations. They handle full ADU projects compliant with Seattle zoning rules, using sustainable practices.

We specialize in building high-quality, custom Accessory Dwelling Units (ADUs) that provide both functionality and style for homeowners in Port Orchard, WA, and the surrounding areas. Whether you’re looking to add a rental property, create a cozy space for family, or simply expand your living area, an ADU is a versatile and valuable investment.

Think ADU is a California ADU contractor specializing in design, permitting, and construction of accessory dwelling units. Services include detached ADUs, garage conversions, JADUs, granny flats, and in-law suites for rental, family, or property value goals.

Barnwood Living specializes in custom ADU construction and tiny cabin builds using reclaimed materials and Appalachian craftsmanship. They offer accessory dwelling units, backyard cottages, granny flats, and custom log cabins tailored to each client's property and lifestyle.

GetApprovedADU is a consulting firm specializing in ADU and JADU approvals. They assist with detached ADUs, garage conversions, granny flats, and attached units, helping homeowners boost property value and expand affordable housing options.

Pros ADU Builders in El Cerrito specializes in ADU construction, including detached units, garage conversions, in-law suites, and granny flats. They handle permits, planning, and turnkey builds tailored to each property.