LRL Builders

1661 Botelho Drive, Walnut Creek, CA 94596 15.6 miles

Licensed Eco-Friendly

Mola Construction & ADU

1294 Caldwell Court, Sunnyvale, CA 94087 45.9 miles

20 years in business Luxury Builds

Mola Construction is a trusted ADU builder in San Jose with 20+ years of experience. They offer custom ADUs, kitchen remodels, home additions, and full remodeling services across the Bay Area, ensuring California code compliance.

Valley Boutique Builders

153 2nd Street, Los Altos, CA 94022 44.9 miles

Licensed Eco-Friendly Luxury Builds

Valley Boutique Builders is a licensed Bay Area ADU contractor offering full-service accessory dwelling unit construction, custom home additions, kitchen and bathroom remodeling, and new construction with free initial consultations.

ADUs By Avatar

1610 R Street, Sacramento, CA 95811 44.1 miles

Free Consultation In-House Architect

ADUs by Avatar is a Southern California ADU builder offering a transparent Plan, Design & Build process. They handle feasibility studies, permits, 3D design, and construction, delivering detached ADUs, granny flats & in-law suites on time.

The ADU Dudes

Livermore, CA 20.6 miles

Licensed

The ADU Dudes is a Bay Area & Northern California ADU contractor offering ADU construction, JADUs, garage conversions, home additions & new builds. Licensed under San Andres Construction (#1081083), serving San Jose, Oakland, Fremont & more.

Loona Construction Inc.

8407 Central Avenue, Newark, CA 94560 34.6 miles

Loona Construction Inc. is a San Francisco ADU contractor specializing in detached ADUs, garage conversions, attached ADUs, and JADUs. They handle design, permitting, and construction, helping homeowners add rental income or family housing.

MTR – ADU Contractor in West Sacramento, CA

MTR

1984 Enterprise Boulevard, West Sacramento, CA 95691 42.1 miles

MTR (Modern Technology Resources Inc.) offers full-service ADU design and construction in Sacramento, CA. Services include custom builds, garage conversions, permit management, and prefab options—helping homeowners add value with functional, affordable accessory dwelling units.

Edri Construction, Inc. Walnut Creek

1990 N California Blvd Ste 20, Walnut Creek, CA 94596 15.5 miles

Eco-Friendly Luxury Builds

Edri Construction, Inc. is a Walnut Creek-based ADU contractor serving the Bay Area. They specialize in garage conversions, detached ADUs, attached additions, in-law suites, and JADUs, handling design, permitting, and project management.

HDR Remodeling

5677 Horton Street, Emeryville, CA 94608 28.7 miles

Licensed 38 years in business Eco-Friendly

HDR Remodeling is a Bay Area Design Build firm since 1987, specializing in kitchen remodels, bathroom renovations, and home improvements across Oakland, Berkeley, Alameda, and the East Bay, backed by an experienced team of architects and designers.

Tucan Builder

50 Woodside Plaza, Suite 814, Redwood City, CA 94601 43.1 miles

Free Consultation Free Site Assessment Turnkey Solutions

Tucan Builder is a family-owned general contractor in Redwood City, CA, serving San Mateo County. Specializing in ADU construction, room additions, kitchen remodeling, and home renovations, they bring 30+ years of combined experience.

SFBay ADU

111 North Market Street, San Jose, CA 95113 44.6 miles

Licensed 25 years in business 26 weeks build time

SFBay ADU is a Bay Area ADU contractor offering full-service design, permitting, and construction. Specializing in 600–1,200 sq ft units, they offer studio, 2-bed, garden cottage, and in-law suite options, with projects completed in as little as 6 months.

Summit Building Group

1401 21st Street, Sacramento, CA 95811 44.5 miles

Eco-Friendly Luxury Builds

Sacramento's Summit Building Group offers full-service ADU construction, including custom design, permitting, garage conversions, and detached units. They serve homeowners seeking rental income, multigenerational living, or guest suites, backed by a lifetime workmanship warranty.

Shefer Builder Inc.

585 S Winchester blvd #759, San Jose, CA 95128 46.4 miles

Shefer Builder Inc. offers full-service ADU construction, managing design, permits, and building. Specializing in detached ADUs, granny flats, and in-law suites, they deliver custom accessory dwelling units that boost property value and rental income.

Perpetual Homes ADU

4115 Blackhawk Plaza Circle, Danville, CA 94506 14 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

Leon's Construction Inc.

3333 Vaca Valley Parkway, Poway, CA 95688 29.5 miles

Eco-Friendly Free Consultation Turnkey Solutions

Leon's Construction Inc. offers ADU construction services in Escondido, Encinitas, and San Marcos, CA. They build backyard cottages, basement apartments, tiny homes, and more using durable, energy-efficient materials.

Other cities in California

What you need to know

ADU Contractors in Antioch, CA: Building in the Delta Region

Antioch, California, situated at the eastern edge of Contra Costa County along the San Joaquin Delta, is one of the fastest-growing cities in the Bay Area. With its relatively affordable housing compared to neighboring cities like Walnut Creek or Concord, Antioch has become a prime location for homeowners looking to maximize their property value through Accessory Dwelling Units (ADUs). Experienced ADU contractors in Antioch understand the unique challenges of building in this region, including the area's expansive clay soils, which can significantly impact foundation requirements and overall construction costs.

Antioch ADU Regulations and Permit Requirements

Before breaking ground, ADU contractors in Antioch must navigate the city's specific zoning and permitting requirements. Antioch follows California state ADU law while also enforcing its own local guidelines through the Community Development Department. Key regulations homeowners and contractors should be aware of include:

Why Hire a Local ADU Contractor in Antioch?

Hiring a licensed ADU contractor familiar with Antioch is essential for a smooth construction process. Local contractors understand the city's plan check process, typical turnaround times, and the specific inspectors and departments involved. They are also well-versed in the soil conditions common to the Delta region, ensuring proper foundation design to prevent settling or structural issues over time. Additionally, local contractors often have established relationships with Antioch's utility providers, which is critical when coordinating new electrical, water, and sewer connections for your ADU.

Types of ADUs Commonly Built in Antioch

Given Antioch's mix of older ranch-style homes and newer suburban developments, ADU contractors in the area frequently build a variety of unit types:

Maximize Your Antioch Property with a Trusted ADU Contractor

With Antioch's growing rental demand and rising property values, adding an ADU is one of the smartest investments a homeowner can make. Whether you're looking to generate rental income, house family members, or increase resale value, working with a qualified ADU contractor in Antioch, CA ensures your project meets all local codes and is completed efficiently. Always verify that your contractor holds a valid California contractor's license (CSLB) and carries proper insurance before starting any project.

ADU Contractors near Antioch, CA