ADU Contractors

reVision Charlotte is a Charlotte, NC ADU builder specializing in accessory dwelling units, including backyard cottages, garage conversions, and in-law suites. They offer expert design and construction for rental, multigenerational, or guest living spaces.

Step-up Construction is a San Jose ADU contractor specializing in garage conversions, attached additions, and detached backyard ADUs. Costs range from $80K to $475K. They guide homeowners through permits, zoning, and San Jose's ADU regulations.

At Smith and Son Construction, they specialize in designing and building high-quality ADUs in San Leandro, CA. Whether you envision a private guest house, a rental unit, or a home office, they deliver innovative designs, expert craftsmanship, and a stress-free construction experience.

Expert ADU builders specializing in custom accessory dwelling units, including detached guest houses, granny flats, backyard cottages, and home offices. Experienced in historic districts, zoning requirements, and unique architectural challenges.

Baystate Group Builders Inc offers residential remodeling services including basement finishing, bathroom renovations, deck construction, carpentry, and painting. Led by Victor, the team is known for professionalism, clear communication, and quality craftsmanship.

ResCom ADU is a full-service ADU builder in Walnut Creek, CA, offering design, permits, engineering, construction & hookups. With 100+ years of combined experience, they deliver custom, cost-effective accessory dwelling units using SIPs & Net-Zero technology.

Zacarias Remodeling Construction Inc. builds custom ADUs in the Bay Area, including garage conversions, detached ADUs, and in-law suites. They handle permits, design, and construction, helping property owners add rental income or multigenerational living space.

Modern Tiny Living builds high-quality tiny homes for full-time living, rental, or office use. Founded in Columbus, Ohio, they partner with Amish craftsmen and offer sizes from 20–28 ft., shipping across 48 states and Canada.

Ten Seventy Architecture offers ADU design services in San Diego, led by Sean Canning. Specializing in detached ADUs, garage conversions & JADUs, they handle design to permitting. Costs start at $250–$300/sqft, with a $20K minimum design fee.

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.

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.

EcoStar Remodeling & Construction offers ADU construction and foundation services in Los Angeles. Services include interior ADUs, JADUs, garage conversions, and foundation types like slab, pier & beam, and seismic retrofits.

Proudly veteran-owned and operated, and with over 17 years in the residential and commercial construction business, Onsite Construction is one of the most respected building contractors serving the St. Petersburg, Florida area.

Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.