ADU Contractors

Giudice Builds is a Colorado Springs ADU contractor specializing in accessory dwelling units. Projects range from $250K–$400K+, with planning from $5K. A recent 640 sq ft ADU was completed in 6.5 months for $230K.

At Catalyst, our Portland ADU Builders are experts in building homes, small homes, Casitas and Accessory Dwelling Units. Trust Catalyst Construction and Remodel to bring experience and high performance to build out your new attached or unattached ... read more

Salas Construction builds custom ADUs in Rhode Island, including attached, detached, and garage conversions. Projects range from $200K–$500K and take 6–12 months. Uses include rentals, guest suites, and multigenerational living.

Ted Design Build is an LA-based ADU contractor offering full-service design, permitting, and construction. Specializing in detached ADUs, garage conversions, and in-law suites across Los Angeles and Glendale.

The Remodel Group is a Portland-based design-build firm specializing in ADU construction and whole house remodeling. Services include detached ADUs, garage conversions, and JADUs. Earth Advantage certified, they offer sustainable, budget-conscious... read more

FTS Excavation offers full-service ADU site development in South Puget Sound, Western Washington. Services include grading, utilities, septic systems, foundation excavation & permits. Certified, reliable ADU contractor for backyard homes &... read more

CarbonShack Design offers expert ADU design services in Los Angeles, specializing in accessory dwelling units, detached ADUs, granny flats & in-law suites. Carbon-conscious building practices & design-first approach set them apart.

Construction Corps is a veteran-owned design-build general contractor in Clearwater, FL building fully permitted ADUs across Pinellas County and Tampa Bay, with design, engineering, permitting, and construction handled by one in-house team.

ADUs add rental income & property value. Services include garage conversions, detached ADUs, JADUs & granny flats. ADU Feasibility Studies cover code, utilities & ROI. Architectural services via Adapt Dwellings ensure smooth approval t... read more

CoCreations Construction & Design is a Durham, NC firm serving the Triangle area, specializing in custom homes, ADUs, and large-scale renovations. They guide clients from design to completion with expert craftsmanship and personalized solution... read more

Toensing Construction builds ADUs across Rhode Island, including detached units, in-law suites, garage conversions & basement apartments. Licensed & insured, they handle permitting, design & construction for multigenerational & fle... read more

OneBuild is a Hudson Valley ADU firm founded in 2025, managing full-scope projects including feasibility, permitting, design, prefab selection, and installation of backyard cottages, in-law suites, and granny flats.

BuildForm Design is a Los Angeles general contractor offering full-service ADU design, build, and value engineering. With 15 years of experience, they handle basement conversions, detached ADUs, garage conversions, and more across Southern Califor... read more

Salisbury Homes builds Accessory Dwelling Units (ADUs) in Utah County. ADUs boost property value, enable rental income, and support multigenerational living. They handle zoning, permits, design, and construction for a seamless build process.