Attached ADU near Newark, CA

Wise Builders is a Bay Area ADU contractor with 20+ years of experience in accessory dwelling units, garage conversions, and attached or detached ADU construction across San Jose, Sunnyvale, and Silicon Valley. Free estimates available.

Apex ADU Builders is a Los Angeles-based contractor specializing in accessory dwelling unit construction. Services include new builds, garage conversions, permitting, and design. Costs range from $80K–$400K, with potential ROI 35% higher than homes without ADUs.

Optivest Build is a licensed general contractor offering ADU construction, garage conversions, home additions, renovations, and new builds. They manage permits, design, and inspections, delivering residential and commercial projects on time and within budget.

Realty Builders Inc. is a licensed ADU contractor specializing in custom accessory dwelling units, including in-law suites, granny flats, garage conversions & rental units, offering streamlined permitting & guaranteed workmanship.

Home Revive Builders is a licensed ADU contractor in the Bay Area, CA, specializing in garage conversions, detached ADUs, in-law suites, and more. Full-service projects include design, permits, plumbing, electrical, and finishing.

At ADU San Mateo, we combine architectural insight, construction experience, and deep knowledge of Bay Area zoning laws to deliver high quality accessory dwelling units from design through move in. Our mission is simple: to make building your ADU clear, fast, and stress free.

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.

Golden View Renovation offers ADU design, room additions & full construction services in San Jose & the Bay Area. Services include permits, JADUs, remodeling & free consultations for homeowners seeking to expand living space.

AK Pahulu Construction, a licensed Bay Area general & concrete contractor since 2015, offers custom homes, ADUs, remodeling, framing & more. Serving Oakland, San Jose, Fremont & beyond. Projects range from $10K–$2M.

Epic Modulars delivers fast, flexible, and customizable solutions for homes and ADUs. Their manufactured homes and ADUs are built in controlled factory environments, ensuring superior quality, faster timelines, and predictable costs.

Talmadge Construction Inc is a Santa Cruz County home remodeling company specializing in ADUs, garage conversions, granny flats, and in-law suites. Known for craftsmanship and clear communication, they offer design consultations for residential projects.

At Michael Marini Construction, we know that the journey starts with understanding both the potential and the requirements involved. With years of experience guiding clients through everything from design ideas to local building rules, we’re here to help make your ADU dreams become a reality while enhancing your property value.