Find Local ADU Contractors & Builders
Connect with vetted professionals specializing in accessory dwelling units in your area.
Find Qualified ADU Contractors in Your Area
Our comprehensive directory connects homeowners with licensed ADU contractors, builders, architects, and permit specialists across the United States. Whether you're planning a detached ADU, garage conversion, or basement apartment, find professionals who understand your local zoning requirements and building codes.
Types of ADU Professionals in Our Directory
- General contractors specializing in ADU construction
- Licensed architects with ADU design experience
- Permit expediters and planning consultants
- Electrical and plumbing specialists
- ADU-focused designers and design-build firms
- Financing specialists and ADU lenders
Popular ADU Markets
Browse by State
California
42 ADU contractors
Arizona
13 ADU contractors
Colorado
12 ADU contractors
Washington
9 ADU contractors
Texas
9 ADU contractors
Oregon
6 ADU contractors
Tennessee
4 ADU contractors
North Carolina
3 ADU contractors
Florida
3 ADU contractors
Minnesota
1 ADU contractor
Featured ADU Professionals
California Bay Builders & Remodeling
San Jose, California
California Bay Builders & Remodeling is a boutique design-build general contractor serving the greater San Francisco Bay Area, founded by builders with over a decade of experience in Bay Area residential construction. We specialize in ADUs, kitchen and bathroom remodeling, room additions, and whole-home renovations across the South Bay, Peninsula, and East Bay. As a design-build firm, we handle everything in-house — design, engineering, permitting, and construction — so homeowners work with one team from first walkthrough to final walkthrough. Licensed CSLB #1130783.
California Bay Builders & Remodeling
San Jose, California
California Bay Builders & Remodeling is a boutique design-build general contractor serving the greater San Francisco Bay Area, founded by builders with over a decade of experience in Bay Area residential construction. We specialize in ADUs, kitchen and bathroom remodeling, room additions, and whole-home renovations across the South Bay, Peninsula, and East Bay. As a design-build firm, we handle everything in-house — design, engineering, permitting, and construction — so homeowners work with one team from first walkthrough to final walkthrough. Licensed CSLB #1130783.
Sustainable Design Build
Denver, Colorado
Founded in 2016, Sustainable Design Build is a Denver-based design-build firm serving the surrounding metro area. The team specializes in custom homes, home additions, ADU construction, and whole home remodels, providing a streamlined process that combines architecture, interior design, and construction under one roof. Through its Project Concept Service, SDB approaches major remodels differently by giving homeowners clarity from the start. In just a few weeks, clients receive buildable drawings they own, along with a fixed project cost and defined timeline based on what can realistically be built on their property.