Detached ADU

Olympic View Building is an ADU contractor offering detached ADU construction, garage conversions, in-law suites, granny flats, and JADU services. They help homeowners add value and living space while navigating zoning laws and building codes.

Mile High Construction is a Denver Metro custom home builder with nearly 30 years of experience. Led by Jordan Barnett, they offer personalized design, sustainable building, and transparent communication, guiding clients from consultation to final... read more

Montana ADU Company, based near Stevensville, MT, builds custom site-built ADUs including guest houses, cabins & rental units. Serving Bitterroot Valley & Missoula with quality, locally crafted accessory dwelling units.

DREC Construction Services is a licensed ADU builder in Glendale, CA, with 10+ years of experience. They handle design, permitting, and construction of ADUs for rental income, family housing, and home offices, offering a transferable lifetime warr... read more

Heartwood Builders is a Seattle ADU contractor specializing in backyard cottages, basement ADUs, and mother-in-law suites. They handle permitting, use sustainable materials, and help homeowners add rental income or family housing.

Neil Kelly designs & builds ADUs in the Northwest, including detached cottages, garage conversions, basement/attic conversions & attached units. Expert team handles permits, local regulations & custom design for rental income, guests o... read more

Radiant Builders offers expert garage and ADU construction in Lubbock, Texas. Services include detached garages, attached additions, granny flats, guest houses, and rental units. Licensed, insured, and permit-ready for all residential projects.read more

Charlottesville ADU Builder specializes in custom accessory dwelling units, including guest houses, granny flats, and backyard offices. They guide homeowners through design, permits, and construction while providing detailed cost estimates.

All Under One Roof builds ADUs, granny flats, garage conversions & in-law suites. Licensed, insured, 31+ years experience. Full-service ADU contractor handling design, permits & construction with a lifetime workmanship warranty.

Evergreen Sheds builds ADU shells in Virginia, offering sizes from 160–392+ sq ft. Shells start at $4,200; turnkey from $35,000. Richmond allows by-right ADUs, with rental income of $1,200–$1,600/month. Financing available.

Blue Cannon Builders (Reno, NV) specializes in ADU construction across Northern Nevada. ADUs cost $150K–$450K, take 6–12 months, and can generate rental income, boost property value, or support multigenerational living.

ADUs in Charlotte offer homeowners options for rental income, multigenerational living, and added property value. Costs range from $150K to $300K+. Zoning rules apply. Simonini Homes guides clients through design, permitting, and construction.

WillisBuilt LLC (CCB#203478) is a licensed ADU builder specializing in accessory dwelling units. Led by Austin, they oversee every project from consultation to completion, ensuring quality construction and compliance with local building codes.

Irontown Modular builds prefab ADUs in Southern California starting at $155,000. They manage planning, permitting, factory fabrication & installation. Park Model ADUs start at $145,000. Free site review available.

Quartz Construction builds ADUs in San Jose, including detached units, garage conversions, and in-law suites. ADUs offer extra space, passive rental income, and multigenerational living solutions for Bay Area homeowners.