Prefab / Modular ADU

The Home Boys is Washington State's largest manufactured home dealer, offering factory-direct pricing across WA, ID, OR, MT, and AK. They carry brands like Goldenwest, Marlette, Clayton, and Cavco, plus ADU-friendly park models under 1,200 sq ft.

Elmntl builds modular ADUs across Denver and Colorado's Front Range. Specializing in detached ADUs, garage conversions, and in-law suites, they handle zoning, permitting, and installation with a 10-year structural warranty.

Tiny Homes by Design builds custom, hurricane-resistant tiny homes across Florida. Offering concrete and capsule models from 432–1,024 sq ft, they feature luxury finishes, smart design, and serve 14+ Florida counties.

A+ Construction & Remodeling is a top-rated ADU contractor in Greater Sacramento with 30+ years experience. They offer custom ADUs, garage conversions, granny flats & more, managing all permits and zoning compliance. CSLB Licensed #1007869.

Homestead ADU offers turnkey accessory dwelling units for California homeowners. Models range from 451 to 1,200 sq ft. Offsite modular construction cuts costs by 30% and delivers units in 6–7 months. Serving Shasta & San Luis Obispo County.

Great Lakes Tiny Home builds park model tiny homes, A-frames & compact dwellings for full-time living, vacation rentals, Airbnb, guest houses & backyard retreats. Models include the A-Frame Luxe, Grizzly, Aspen, Firefly & Trailblazer.

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, engineering, permitting, and installation.

ILCOR Homes, Inc., founded in 1963, is an Austin, Texas builder specializing in custom homes, commercial projects, and ADUs. Ranked Top 10 ADU Builder by Home Builder Digest, they offer full-service construction from planning to move-in.

Seattle Backyard Homes builds expert ADUs, DADUs, garage conversions & backyard cottages in Seattle and Bellevue. Full-service ADU contractors handling design, permits, zoning & construction with quality craftsmanship and transparent pricing.

Haus+ is a Bay Area ADU builder offering turnkey accessory dwelling units for California homeowners. They handle design, permitting, and construction using a panelized hybrid method, with all-inclusive upfront pricing and in-house financing available.

Quality ADU builder crafting durable tiny homes with board and batten siding, composition shingle roofs, open-concept interiors, quartz countertops, luxury vinyl plank flooring, and mini-split HVAC systems for year-round comfort.

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.

BIOS Homes is a Connecticut ADU contractor specializing in detached, attached, basement, and garage conversion ADUs. Using modular construction, they handle design, permits, and builds under CT Public Act 21-29.

Landform Build is a Portland, Maine design-build firm specializing in infill development, ADUs, and residential projects. Services include zoning analysis, architectural design, feasibility studies, permitting support, and general contracting for accessory dwelling units and multi-family housing.

Gauntlet Construction is a licensed ADU builder & design-build contractor in Roseville, CA. Serving Sacramento & Placer County, they offer ADU construction, garage conversions, home renovation & commercial builds with 15+ years of experience.