ADU Contractors

Better Together Builders (BTB) is a full-service ADU contractor offering studio and bedroom floor plans, garage conversions & backyard units. They manage design, permits & construction. California clients may qualify for the CalHFA ADU Grant up to $40,000.

Snow Construction is an LA-based ADU and granny flat builder offering planning, design, and construction services. They help homeowners add secondary units, navigate permits, and understand parking rules under California's 2017 ADU legislation.

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.

Clarksville Construction builds custom ADUs, in-law suites, and home additions across Maryland. Services include design, permitting, and construction. Licensed, bonded, and insured. MHIC #78947.

Acorn Deck House builds luxury prefab ADUs in MA, featuring exposed beams & large windows. Options include 900 sq ft & 730 sq ft models. ADUs boost property value by 25–34% & generate rental income.

John Christopher Construction is a Southern California general contractor specializing in ADU design and building. Serving Huntington Beach, Newport Beach, Costa Mesa & more, they offer custom and pre-engineered ADU plans for rental units, in-law suites & more.

Affordable Building Concepts is a licensed, family-owned general contractor in Middle Tennessee serving Nashville for 25+ years. They build garages, ADUs, barndominiums, decks, sheds, and more, backed by a 10-year warranty.

Tilson Homes offers The Casita, a detached ADU in Texas ranging from 793–1,523 sq. ft. with 1–2 beds and baths. Ideal as a guest suite, in-law suite, or home office, with county-specific pricing available.

Homeowners across the San Diego area looking to expand their living space or create a rental opportunity turn to the trusted San Diego Builders at The Avalon Company. With more than three decades of experience, they specialize in designing and constructing high end accessory dwelling units that blend seamlessly with your existing property while increasing functionality and property value.

L Square Construction is an ADU contractor serving Los Angeles & Orange County, CA. They offer full-service design-build ADU solutions including detached units, in-law suites, garage conversions, and energy-efficient builds with solar integration.

Cascade Master Builders builds ADUs in Wenatchee & East Wenatchee, WA. Services include detached, attached, and garage/basement units. They handle permits, pre-approved plans, and financing guidance via HELOC for North Central Washington homeowners.

Benavides Builders Inc is a trusted ADU contractor specializing in detached & attached ADUs, garage conversions, JADUs, and hillside builds. They offer single & two-story units, granny flats, in-law suites, and casitas for residential properties.

At Amreston Homes, they specialize in designing and building casitas throughout Albuquerque and Rio Rancho that seamlessly blend with your existing home, offering versatile living solutions tailored to your needs.

Davis Builders specializes in designing and constructing custom Accessory Dwelling Units (ADUs) in Chico, CA, providing homeowners with versatile living spaces for rental income or family use.