ADU Contractors

West Coast Building and Design is San Diego's trusted ADU builder, specializing in granny flats, in-law suites & backyard cottages. With 30+ years of experience, they deliver affordable, quality accessory dwelling units on time and within budget.

Gold Rhino Modular Homes & Buildings offers innovative solutions, customizable designs, ready-to-ship units, and pre-configured packages for containerized modular homes, multi-unit modular structures, modular container offices, and commercial/industrial modular applications.

Microhouse is a Seattle-based ADU builder specializing in custom detached ADUs (DADUs). They guide homeowners through zoning, design, and construction. Seattle permitted 551 DADUs in 2022, with a 40% increase in 2023. Microhouse offers site assessments and tailored DADU solutions.

R Remodeling is a trusted ADU contractor in Whittier, specializing in accessory dwelling units for added living space or rental income. Experienced in detached ADUs, they manage projects from consultation to completion with minimal property disruption.

Charlottesville ADU Builder specializes in custom accessory dwelling units, including guest houses, granny flats, and backyard offices. They guide homeowners through design, permits, and construction while providing detailed cost estimates.

Boston Deck Builders offers ADU construction in Greater Boston, including detached, attached, and interior units. Services cover planning, permitting, and build. Costs range from $150K–$400K+. Prefab options available. Compliant with Massachusetts ADU regulations.

Mills Builders Inc is a Sacramento-based residential construction firm founded in 1999. Specializing in ADU construction, home renovation, in-fill development, and whole-house builds, they serve Sacramento's historic neighborhoods with decades of hands-on expertise.

Bill Taute Homes, Austin TX contractor since 1993, specializes in custom home builds, remodeling, additions & ADU construction. Services include kitchen/bathroom remodels, detached ADUs, granny flats & custom barns. Member of Austin Energy Green Building Program.

ADU Resource Center is a Glendale, CA-based ADU contractor with 600+ completed units. They offer full-service ADU building, including design, permitting, financing, and construction of detached, attached, and garage conversion ADUs across Southern California.

Evola Builds LLC, led by Michael and Amber Evola, offers residential renovation and construction services including bathroom remodels, ADU work, garage conversions, and structural modifications, collaborating closely with architects and homeowners.

Better Place Design & Build is a San Diego ADU contractor specializing in detached ADUs, garage conversions, and room additions. Their feasibility-first process verifies zoning, utilities, and site conditions before pricing, reducing costly surprises.

Top-Pro Construction, Inc. is Greater Boston's trusted ADU builder with 25 years of experience. Specializing in detached ADUs, attached units, garage conversions & basement ADUs to boost property value and rental income.

Backyard House is an Austin, TX ADU builder offering fully custom, on-site accessory dwelling units. Fixed pricing includes permits, foundation, mini split, wired internet & design. Projects complete in 9–12 months.

Scott Olson Homes offers additions and ADU construction designed to match your home’s style while boosting functionality. Whether you need a garage, guest suite, or private rental space, we deliver structures that blend seamlessly into your property.

WheelPad, a Vermont company, manufactures accessible modular dwelling units (PADs) for people with mobility challenges. Models include SuitePAD, StudioPAD, SuitePAD XL, and MultiPAD, all ADA-compliant with accessibility features like ceiling hoists and roll-in showers.