West Coast ADU

4245 Hargrave Avenue, Santa Rosa, CA 95407 47 miles

West Coast ADU is a California-based ADU builder offering prefab & manufactured accessory dwelling units. They help homeowners add rental income, house family members & boost property value with streamlined permitting & construction.read more

Eagle ADU

2678 North Main Street, Walnut Creek, CA 94597 12.3 miles

Licensed Prefab Specialist Luxury Builds

Eagle ADU is a licensed ADU builder in Northern California offering three signature models: Eagle Studio ($180K–$220K), Eagle One ($230K–$280K), and Eagle Two ($310K–$360K), with rental income potential up to $4,000/month.

Haus+

Corte Madera, CA 94925 14.2 miles

Prefab Specialist Eco-Friendly

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 availa... read more

Nestadu

100 Shoreline Highway, Mill Valley, CA 94941 13 miles

Luxury Builds

Nestadu is a full-service ADU builder offering custom site-built and prefab accessory dwelling units. Prefab models range from $115K–$317K. Custom builds start at $400/sq ft. Financing options include HELOCs, construction loans, and CA grants.read more

Regency Construnction & Remodeling BA

The Paramount, 95 3rd St, San Francisco, CA 94103 9.1 miles

Prefab Specialist

Regency Construction & Remodeling BA is a San Francisco ADU contractor offering new builds, space conversions, and prefab ADU solutions. They handle design to completion, manage permits, and ensure compliance with local zoning laws.

Perpetual Homes ADU

4115 Blackhawk Plaza Circle, Danville, CA 94506 20 miles

40 years in business Prefab Specialist Eco-Friendly

Perpetual Homes is a Northern California ADU builder with 40+ years of experience. They offer customizable prefab ADUs, a 10-step process, no site work markup, Energy Star insulation, a 7-year warranty, and an A+ BBB rating. read more

Other cities in California

What you need to know

Searching for top Prefab / Modular ADU ADU Contractors in Berkeley, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).

Working with a qualified Prefab / Modular ADU ADU Contractor in Berkeley ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Prefab / Modular ADU professionals can guide you through every step.

Berkeley homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Prefab / Modular ADU experts featured here bring local expertise and proven experience to help make your project a success.

Browse our listings to find the best Prefab / Modular ADU ADU Contractors in Berkeley, California, and get started today.

Prefab / Modular ADU near Berkeley, CA