ADU Contractors

Papaya Construction Group is a licensed design-build ADU contractor in Orange County, CA. Founded in 2018, they offer detached ADUs, garage conversions, attached units & above-garage builds across Irvine, Anaheim & more.

JS Design & Build is a full-service ADU builder with the experience to navigate local codes, streamline approvals, and deliver exceptional results. Their in-house team of designers, builders, and project managers ensures seamless communication... read more

Paulson Construction Inc., based in Bend, Oregon, offers full-service construction including custom homes, remodels, and ADUs. Services cover design, permitting, and build phases for detached ADUs, garage conversions, and in-law suites.

BOLD Construction builds ADUs in Chapel Hill, Orange & Chatham County. Costs range $350–$500/sqft. Services include detached ADUs, garage conversions & in-law suites with a transparent fixed-price design-build process.

Luxe & Co. Accessory Dwellings is a Massachusetts ADU builder offering full-service design, construction, and permitting. Founded by Hope Beckman and Sage Conti, they specialize in high-end ADUs including in-law suites, carriage houses, and ho... read more

Affordable Portable Housing Hawaii is a design-build company specializing in shipping container homes, offices, and structures. They offer drafting, permits, and full project development with financing options available.

As a Boise ADU builder specializing in pre-approved and custom accessory dwelling units, PlanPro designs and constructs detached backyard ADUs, garage conversions, and attached secondary dwellings throughout Boise and nearby communities like Eagle... read more

CityPaks is a minority & woman-owned ADU builder in the San Francisco Bay Area specializing in affordable, sustainable backyard cottages & detached ADUs using SIP panels. No crane needed, no sales tax, pre-approved in San Jose.

Xtreme ADU LLC, based in Lake Benton, MN, builds prefabricated ADUs, tiny homes & casitas. Customizable flat-pack kits, Net-Zero options, 71+ years experience. Serving MN, SD, ND, IA & CA.

Valley Boutique Builders is a licensed Bay Area ADU contractor offering full-service accessory dwelling unit construction, custom home additions, kitchen and bathroom remodeling, and new construction with free initial consultations.

Wilmington ADU Solutions builds accessory dwelling units in Wilmington, NC. Offering 8 pre-designed floor plans from 250–1,200 sq ft, turnkey builds start at $94,250 with 90-day completion, rental setup, and full permitting support.

Carolina Precision Builders offers residential construction in the Carolinas, including custom homes, ADU conversions, garage conversions, additions, renovations, and damage restoration. With nearly a decade of experience, they prioritize client c... read more

Urban Building Workshop is a full-service architecture firm in the Bay Area specializing in custom homes, remodels, and ADUs. Experts in Marin County, San Francisco, and Sonoma County permitting, they deliver efficient, light-filled designs.