Valley Home Builders Inc. is a Silicon Valley design-build contractor serving Santa Clara & San Mateo Counties. Founded in 2005, they specialize in kitchen remodeling, ADU construction, and home renovations across San Jose, San Mateo & beyond.
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Atra Construction is a Bay Area ADU contractor offering full-service design and build. They handle permits, planning, and construction management. Floor plans range from 240 sq ft studios to 1,200 sq ft three-bedroom units.
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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.
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ADU Home Addition is a leading Bay Area ADU contractor with 12+ years of experience. They specialize in custom ADU construction, in-law suites, garage conversions, home additions, and rental-optimized ADUs, handling design, permits, and full construction.
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Elite Construction builds ADUs in Santa Cruz County, offering detached units, garage conversions & addition ADUs. Projects range 250–1,200 sq ft, cost $115K–$450K, and take 6–9 months. Free estimates available.
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WS Builders offers expert ADU construction in Santa Cruz with 20 years of experience. Services include permit management, design collaboration, and full project oversight. Serving Santa Cruz, Scotts Valley & Soquel.
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UDA ADU is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs, and in-law suites. They handle design, permitting, and construction, offering homeowners a streamlined, full-service ADU building experience.
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Jeff Martinez Construction Inc. builds ADUs in Oakley, CA with 27+ years of experience. Services include detached ADUs, garage conversions, permits, finishing, and landscape integration across Contra Costa County.
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ADU Builders Group is a Bay Area family-owned ADU contractor with 21+ years of experience. They build attached, detached, converted, and junior ADUs, offering full design-build services, permitting support, a 3-year warranty, and a 10-year structural guarantee.
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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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ON Design & Remodeling is a Bay Area ADU builder offering home additions, garage conversions, granny flats, and in-law suites. They help homeowners expand living space, boost property value, and generate rental income.
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Bay Villa Builders brings over 50 years of combined experience in crafting expertly designed ADUs that enhance both your home's functionality and its value. An Accessory Dwelling Unit, or ADU, serves as an additional living space on your property.
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Type Five is a Berkeley, CA-based ADU builder offering custom backyard cottages, granny flats & in-law suites. They combine modular design, transparent pricing & streamlined construction for stress-free, high-quality detached ADUs built to last.
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Cordeiro Custom Remodeling offers expert ADU construction in Newman, Modesto & Turlock, CA. Services include garage conversions, detached ADUs, granny flats & in-law suites. 15+ years of residential remodeling experience.
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YCD Studio is a Bay Area architecture firm specializing in ADU design and permits in Moraga and the Lamorinda area. Services include detached ADUs, garage conversions, and JADUs, with expertise in WUI standards and local fire district requirements.
read moreMilpitas, California, sits at the northern tip of Santa Clara County, nestled between San Jose and Fremont in the heart of Silicon Valley. With a booming tech industry, proximity to major employers like Cisco Systems, and a rapidly growing population, the demand for additional housing has never been higher. ADU contractors in Milpitas are helping homeowners maximize their property value and address the local housing crunch by building high-quality Accessory Dwelling Units. Whether you're near the Great Mall area or in established neighborhoods like Sunnyhills, an ADU can be a smart investment in one of California's most competitive real estate markets.
Before breaking ground, it's essential to understand the local rules governing ADU construction in Milpitas. The City of Milpitas follows California state ADU law while also enforcing its own municipal codes. Experienced ADU contractors familiar with Milpitas regulations will navigate these requirements efficiently:
Skilled ADU contractors in Milpitas offer a range of construction options tailored to the city's diverse housing stock, which includes single-family homes, townhouses, and older ranch-style properties. Common ADU types include:
Hiring a local ADU contractor in Milpitas means working with professionals who understand the city's specific permitting process through the Milpitas Building & Safety Division, local zoning maps, and utility connection requirements. Local contractors also have established relationships with city inspectors, which can help streamline approvals and avoid costly delays. With property values in Milpitas consistently among the highest in the Bay Area, a well-built ADU can significantly increase your home's equity while providing a reliable rental income stream.