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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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.
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Deharo Construction is a trusted ADU builder serving Livermore, Pleasanton, and Dublin. Specializing in accessory dwelling units, new construction, and home additions, they deliver custom granny flats, detached ADUs, and in-law suites across the Tri-Valley area.
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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.
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We are a family-first, boutique residential design & build firm serving the Orinda and East Bay community. We’re not just service providers — we’re your neighbors. We understand the local permitting process, the hillside terrain, the fire-hazard restrictions, and the thoughtful planning needed to create homes that truly work for East Bay families.
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DevArt8 Builders specializes in ADU construction in Gilroy, offering floor plans from 350–650 sq. ft. They handle permits, ensure zoning compliance, and build detached ADUs, attached units, and garage conversions tailored to each property.
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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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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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Bay Area general contractor Design and Construction by M&M specializes in ADUs, remodeling, room additions, and custom builds. Serving Burlingame, Los Altos, and Campbell, they manage design, permitting, and construction. Free consultations available.
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BuildZig ADU Services is a Bay Area ADU contractor specializing in design, permitting, and construction. They handle garage conversions, detached ADUs, basement/attic conversions, and more, offering transparent pricing throughout.
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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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Bay Star Garage transforms garages into functional spaces in Santa Clara & Livermore, CA. Services include remodeling, flooring, EV charging, lighting, conversions & cabinets. Licensed, bonded & insured contractor specializing in ADUs and garage upgrades.
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Licensed ADU contractor Full Steam Ahead Construction serves East Bay homeowners with custom accessory dwelling units, including garage conversions, backyard cottages & in-law suites. Serving Concord, Oakland, Berkeley & more.
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Eano offers custom on-site ADU design and build services, handling permits, construction, and financing. Their app tracks progress in real time. Licensed pros average 10+ years experience. Flexible 0% interest financing options available.
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Urban Shore Builders offers full-service ADU design & construction, including garage conversions, detached units & additions. As a turnkey ADU contractor, they handle permits, design & build. Services include plumbing, electrical, HVAC & retaining walls.
read moreCorte Madera, a charming town nestled in Marin County along the shores of the San Francisco Bay, presents a distinctive set of opportunities and challenges for ADU contractors. With its mix of hillside properties, wetland-adjacent lots, and established residential neighborhoods, building an Accessory Dwelling Unit (ADU) in Corte Madera requires specialized local knowledge. The town's proximity to sensitive ecological areas, including tidal marshes and the Corte Madera Ecological Reserve, means that contractors must be especially mindful of environmental regulations and site-specific constraints when planning and constructing ADUs.
Like all California cities, Corte Madera follows state ADU laws that have been significantly liberalized in recent years, including AB 68, AB 881, and SB 13. However, local zoning ordinances still play an important role. Homeowners and contractors must work with the Town of Corte Madera Community Development Department to secure the necessary permits. Key regulatory considerations include:
Experienced ADU contractors in Corte Madera typically work on several types of units suited to the local housing stock. The most common include garage conversions, which are popular given the town's many mid-century homes with attached or detached garages, as well as detached backyard cottages and junior ADUs (JADUs) created within existing home footprints. Given the high property values in Marin County, even a modest ADU can represent a significant investment return for homeowners.
Hiring a licensed and experienced local ADU contractor familiar with Corte Madera's specific building codes, soil conditions, and permit processes is essential for a smooth project. Local contractors understand the nuances of building near sensitive wetland areas, working with the town's planning staff, and meeting Marin County's high construction standards. A knowledgeable contractor will help you:
With housing demand continuing to rise across the Bay Area, adding an ADU in Corte Madera is a smart, forward-thinking investment. Partnering with the right ADU contractor in Corte Madera, CA ensures your project is completed on time, on budget, and fully up to code.