ADU Contractors

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.

Bedrock Tiny Homes specializes in ADU building, tiny homes, granny flats, and backyard cottages. They handle design, construction, permits, and zoning for compact residential spaces, ideal for in-law suites, rentals, or guest accommodations.

Auburndale Builders completed an 800 sq ft ADU in Newton, MA—a single-level, universally accessible in-law suite with full kitchen, bathroom, bedroom & living area, built in compliance with local zoning regulations.

Goshen Tiny Homes is a Florida ADU builder specializing in site-built accessory dwelling units. Pricing ranges from $75K–$255K. They manage design, permits & construction with 10–12 month timelines and offer financing guidance.

KMR Enterprises offers residential & commercial construction in Palm Beach County, FL. Services include custom homes, ADU builds, renovations, tenant improvements, and gym construction. Expert ADU contractor managing permits, zoning & comp... read more

HSP ADU Builders is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs, and in-law suites. They guide homeowners through design, permitting, and construction of accessory dwelling units.

General Contractors Oahu offers home additions & ADU construction across Oahu, Hawaii. Services include bedroom, bathroom, second-story additions & granny flats. Licensed, insured & bonded with a 1-year labor warranty. Free estimates a... read more

Cornerstone Tiny Homes is a licensed ADU builder in Longwood, FL, specializing in small footprint foundation homes and tiny homes on wheels. They build custom in-law suites, backyard cottages, and detached ADUs compliant with Florida Building Code... read more

Hilweh Builders LLC is an Oahu, Hawaii general contractor specializing in ADUs, home additions, and design-build remodeling. Led by Chad Hilweh, they offer integrated architect collaboration, on-budget project management, and Hawaii-specific resid... read more

New Frameworks builds high-performance ADUs and Casita homes using natural Vermont materials. Six models range from 314–1,200 sq ft, featuring R-38+ insulation, ERV/HRV ventilation, all-electric systems, and optional Passive House certification.... read more

New England Outdoor, a family-owned business in Methuen, MA, builds custom sheds, garages, pavilions, and ADUs across New England. Specializing in ADU construction, garage conversions, and in-law suites, they handle design, permits, and zoning gui... read more

ADUs are self-contained units like garage apartments or granny flats built on existing properties. In Denver, ALH Contracting helps homeowners build ADUs for rental income, family housing, or added property value.

Backyard Homes is a top ADU builder in Sacramento with 80+ completed units. They offer detached, attached, and conversion ADUs, handling design, permitting, and construction for a seamless experience across the greater Sacramento region.