Crane Construction is a licensed Bay Area general contractor based in Walnut Creek, CA. They specialize in design-build projects, ADUs, garage conversions, remodeling, and new construction for residential and commercial clients. Free estimates available.
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SVW Designs offers expert framing, electrical, and plumbing services for ADUs, garage conversions, and backyard cottages. Services include structural framing, smart home electrical systems, and PEX plumbing—all code-compliant.
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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.
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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 available.
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Home Quality Remodeling Inc. is a licensed Bay Area general contractor (CSLB #838832) with 20+ years of experience. Services include kitchen & bathroom remodeling, room additions, ADUs, and outdoor living across Concord, San Jose, and Paramus, NJ.
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Your Prefab ADU will be delivered and installed to your site. All ready to enjoy a sustainable home to last for generations.
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Jaws Construction Services builds ADUs, garage conversions, and JADUs. They handle permits, HOA coordination, and offer site-built or prefab options. East Bay ADUs rent for $1,500–$3,500+/month, potentially boosting property value.
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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.
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Bay Builders & Remodeling specializes in custom ADU construction across Santa Clara, San Mateo, and East Bay. Services include attached, detached, garage conversions, and JADUs, helping homeowners add rental income, family housing, or workspace.
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NorCal ADU Builders is a California-based full-service ADU contractor handling planning, permits, Title 24 compliance, and construction—including foundation, framing, roofing, plumbing, and interior finishes—for detached ADUs, garage conversions, and backyard cottages.
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DeBrus Construction LLC is a San Francisco general contractor specializing in seismic retrofits, foundation repair, ADU construction, and home remodeling. Led by Malcolm DeBrus, the company handles mandatory soft story retrofits, garage conversions, and full remodels with transparent pricing.
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Atlas General Construction delivers complete ADU construction for detached, attached, and converted structures. Our team manages every phase of development including zoning research, architectural coordination, structural engineering, Title 24 compliance, permit processing, foundation work, framing, roofing, plumbing, electrical systems, HVAC installation, interior finishes, and final inspections.
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Manzanita Design Build is an East Bay ADU contractor specializing in accessory dwelling units. Serving Berkeley, Oakland, Alameda & more. New ADU construction starts ~$300K, 5–8 month build time. Licensed (#1034108) & insured.
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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 moreCupertino, California, is globally recognized as the home of Apple Inc. and sits at the center of Silicon Valley's booming tech economy. This reputation drives exceptionally high property values and a strong demand for additional housing solutions. ADU contractors in Cupertino are uniquely positioned to help homeowners maximize their property's potential, whether to house family members, generate rental income, or accommodate the area's ever-growing workforce. With median home prices consistently among the highest in Santa Clara County, adding an Accessory Dwelling Unit (ADU) is one of the smartest investments a Cupertino homeowner can make.
Working with an experienced ADU contractor in Cupertino is essential because the city follows both California state ADU laws and its own local ordinances. Cupertino falls under Santa Clara County jurisdiction for some services but maintains its own Community Development Department, which oversees ADU permits. Key regulations homeowners and contractors must navigate include:
Skilled ADU builders in Cupertino are experienced in constructing a wide variety of unit types to suit different lot sizes and homeowner needs. The most common ADU types in the area include:
Hiring a licensed and experienced local ADU contractor familiar with Cupertino's specific permitting process, school district considerations, and neighborhood aesthetics is critical to a successful project. Local contractors understand the nuances of working with the Cupertino Community Development Department and can help streamline approvals, avoid costly delays, and ensure full compliance with both state and local building codes.
With the demand for housing in Silicon Valley showing no signs of slowing, investing in an ADU in Cupertino is a financially sound decision. Partner with a trusted Cupertino ADU contractor today to begin planning your project and unlock the full potential of your property.