Detached ADU in Wisconsin

Boundless Tiny Homes builds attached ADUs in Madison, WI. Units range 300–700 sq ft with separate entrances, kitchens, and baths. Ideal for in-law suites, rentals, or multigenerational living. Free feasibility check available.

Terra ADU Builders is a Milwaukee ADU contractor offering turnkey accessory dwelling units. Three fixed-price models start at $149K. Services include zoning, permits, and full construction across Milwaukee, Wauwatosa, Shorewood, and Brookfield.

Timeless Builders Inc. is a California-based ADU contractor offering detached ADUs, garage conversions, granny flats, casitas, and remodeling services. Licensed and insured, they handle permits, zoning, and full construction for residential clients.

Drake Construction offers full-service ADU design and build, including detached units, garage conversions, JADUs, and more. They handle permitting, zoning, and construction from start to finish, with most projects completed in 4–12 months.

Wis Builders offers residential and commercial construction services including ADU construction, home additions, deck building, bathroom remodeling, shed installation, drywall, painting, and paver installation. Known for quality workmanship and on-time delivery.

Ace of Space Alternative Carpentry is a queer-owned, licensed contractor in Madison, WI, specializing in ADU building, carpentry, remodeling, and painting services across Dane County with 18+ years of experience.

Regency Builders Inc is a California-based ADU contractor offering garage conversions, detached ADUs, JADUs, and in-law suites. They also handle kitchen remodels and room additions, managing permits and all construction phases for homeowners.

Linked Living Homes is a Wisconsin ADU contractor helping homeowners build accessory dwelling units. They manage design, permits, foundation, construction, utilities & finishing, offering full-service solutions for rental units, in-law suites, or guest lodges.