ADU Contractors

Bryan Parsons Construction builds custom ADUs in Eugene, Oregon, including backyard cottages, garage conversions, and detached units. Services include ADA accessible options, full project management, and quality craftsmanship tailored to each prop... read more

Washburn Custom Builds is an Austin-based ADU and tiny home contractor serving Central Texas. They offer custom ADU design, mobile tiny homes, sustainable building, permits handling, financing guidance, and a 1-year warranty.

BUILD 33 (CSLB #1051529) is a licensed general contractor based in Cupertino, CA, serving California, Arizona, Nevada, and Louisiana. They offer home additions, flooring, painting, plumbing, electrical, and more. Free quotes available.

Nest ADU is a premier ADU builder serving Utah and California, specializing in custom luxury accessory dwelling units. Based in Salt Lake City and El Centro, they offer expert construction, flexible financing options, and guidance on local ADU reg... read more

Shed Shop offers ADUs (Accessory Dwelling Units) via their Mini Cottage program. Sizes range from 192 to 480 sq. ft. Services include foundation, plumbing, electrical, permits & more. Available in select cities.

Alpha1 Builders in Elk Grove, CA specializes in ADU construction, including garage conversions, attached, detached, junior, and multi-tenant ADUs. They manage design, permitting, and build, helping homeowners add value and rental income.

USModular Inc. is a Temecula, CA ADU builder specializing in modular, prefabricated construction. Units are up to 90% factory-built, completed in ~120 days, and comply with IRC and local codes. Services include feasibility studies, design, enginee... read more

Lifescape Builders Inc provides ADU construction services in Temecula and Riverside County, including detached ADUs, granny flats, in-law suites, casitas, garage conversions, and JADUs, with customizable layouts, finishes, and full custom build op... read more

ADUs (granny flats, in-law suites) add living space, rental income & property value. Colorado's HB 1152 now requires most local governments to allow ADU construction. Mountain View Builders offers expert ADU contracting in Fremont, Custer, Pue... read more

Joy Line Homes offers the ADURA ADU Series — factory-built backyard cottages and granny flats featuring modern design, high-end finishes, and durable materials. An affordable, plan-based ADU solution for homeowners seeking quality detached acces... read more

ADU Geeks is a full-service ADU builder offering planning, design, permitting, and build support. They also provide an online ADU Development Masterclass for $150, covering feasibility, construction, and financing across 40 videos.

Turkel Design offers custom-designed accessory dwelling units (ADUs) using a prefab process. Highlights include expert cabinetry, smart storage, and high-quality finishes, ensuring ADUs feel purposeful and cohesive with the main residence.

ADU Builders Seattle (Maksymov Brownstone LLC) specializes in detached ADU construction across Seattle & King County. Licensed & bonded, they handle zoning, permits, and SDCI approvals. Services include backyard cottages, two-story units, ... read more

Boost property value with an accessory dwelling unit (ADU). Johnston Construction offers expert ADU building services, handling design, permits, and construction. Ideal for rental income, in-law suites, or extra living space. Free consultation ava... read more