ADU Contractors

Buffalo Modular offers modular ADU pods priced $15,000–$40,000, delivered in 8 weeks. Uses include home offices, rental units & in-law suites. Features LVP flooring, Andersen windows, steel roof & HVAC. No foundation needed—just a shed... read more

Cousin Gary Homes, serving Chico since 1972, offers a wide range of ADU models—from 439 to 1,177 sq ft—including granny flats and backyard cottages. Visit their showroom at 13468 Highway 99 North to explore options.

Smith Tiny Homes is a Wisconsin-based custom tiny home builder serving the Midwest. Homes start at $29,000, feature 4-season insulation, optional solar, and suit RV parks or private land. Packages range from basic framing to dried-in shells.

F9 Productions is a Colorado-based ADU architect and builder offering full-service design and construction. Award-winning firm handling residential, commercial, and ADU projects including garage conversions, interior design, and 3D visualization.<... read more

Pro-built Homes builds factory-constructed Accessory Dwelling Units (ADUs) delivered 99% complete. Ideal as in-law suites, rental units, or backyard cottages, their ADUs offer quality, speed, and long-term value with minimal on-site disruption.read more

Cal ADU Builders Inc. is a licensed, family-owned ADU contractor in Westminster, CA, with 20+ years of experience. They offer custom ADU design, full construction, and consultation for Southern California homeowners.

Neil Kelly designs & builds ADUs in the Northwest, including detached cottages, garage conversions, basement/attic conversions & attached units. Expert team handles permits, local regulations & custom design for rental income, guests o... read more

New Day Construction is a licensed ADU builder in Bellevue, WA, with 21+ years of experience and 250+ projects. They build detached, attached, garage, basement, and custom ADUs, managing permits and design from start to finish.

Fortress Development Group LLC is a Las Vegas ADU contractor specializing in garage conversions, backyard cottages, and custom detached ADUs. Serving Henderson, Summerlin & more. Free quotes available.

LiveLarge Home is a California prefab ADU builder offering full-service solutions from permits to final inspection. Build times start at 4–6 weeks, with fixed pricing from $412/sq. ft. Models range from studios to 2-bed/2-bath units with premium... read more

Better Builders is a Seattle-based general contractor specializing in residential remodeling, garage conversions, ADUs, kitchen and bathroom remodels, basement finishing, deck repairs, and exterior work, with dedicated project management.

Cronen Building Co. is an expert ADU builder specializing in granny flats, garage conversions, backyard cottages, and detached ADUs. They deliver custom accessory dwelling units that boost property value and functionality.

Hamilton Exteriors builds detached ADUs, garage conversions, and JADUs across 6 Bay Area counties. Licensed (CSLB #1078806), insured, and bonded. Projects run 5–9 months with fixed-price contracts. CalHFA grants and $0-down financing available.<... read more