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Detached ADU near Napa, CA
Vargas Construction
16064 Vía Harriet, San Lorenzo, CA 94580 42.6 milesVargas Construction is a California ADU contractor offering detached, attached, garage, junior, and multifamily ADUs. They handle design, permitting, and construction with energy-efficient materials, custom interiors, and full amenities in 2–6 months.
read moreGR Innovative Builders Inc.
12488 San Pablo Avenue, Richmond, CA 94805 24.7 milesGR Innovative Builders Inc. is a Bay Area ADU contractor specializing in accessory dwelling units, granny flats, and in-law suites. Completed projects in Richmond, Oakland, Lafayette & Pinole. Featured in Sunset Magazine.
read moreBay Area Home Remodelers
225 Schwerin Street, San Francisco, CA 94134 41 milesBay Area Home Remodelers builds ADUs in Daly City, San Francisco & San Jose. Services include garage conversions, granny flats, JADUs & detached units. Full project support from permits to completion.
read moreAKD Homes
3518 Arden Rd, Hayward, CA 94545 47.9 milesAKD Homes is a Bay Area ADU contractor with 20+ years of experience. They offer full-service ADU design and build, including detached ADUs, custom designs, and conversions from Berkeley to San Jose.
read moreIngenious General Construction
2890 North Main Street, Walnut Creek, CA 94597 28.8 milesIngenious General Construction is a BBB-certified, licensed contractor in Walnut Creek, CA, serving the East Bay. With 20 years of experience, they offer ADUs, kitchen & bathroom remodeling, home additions, pool construction, and landscaping.
read moreHaus+
Corte Madera, CA 94925 28.5 milesHaus+ 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.
read moreBayside Builders Group
1151 Harbor Bay Parkway, Alameda, CA 94502 39.5 milesBayside Builders Group is a licensed Bay Area ADU contractor with 25+ years of experience. Services include detached ADUs, garage conversions, and in-law suites. Serving Oakland, San Jose, San Francisco, and surrounding counties.
read moreprefabADU
1111 Western St, Fairfield, CA CA 94533 15.8 milesprefabADU is a Bay Area ADU builder with 16+ years of experience offering affordable kits and plans from under $45K. With 12 state-approved plans valid across California, they simplify permits, design, and installation for homeowners.
read moreLion ADU Builders
456 Cavour Street, Oakland, CA 94618 33.9 milesLion ADU Builders is an Oakland ADU contractor offering detached ADUs, garage conversions, in-law suites, and custom builds. They manage design, permits, and construction, helping homeowners add space and property value across the Bay Area.
read moreCollins Remodeling
2651 Blanding Avenue, Alameda, CA 94501 36.7 milesCollins Remodeling is a licensed ADU contractor in Alameda, CA, specializing in detached ADUs, garage conversions, JADUs, and granny flats. They manage permitting, design, and construction, helping homeowners add value and rental income.
read moreLuma Dwellings Home Builder
63 Hazel Tree Ridge, Orinda, CA 94563 29.4 milesWe 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.
read moreSideline Builders Inc
4676 Hessel Road, Sebastopol, CA 95472 26.1 milesIf you’re considering adding an accessory dwelling unit to your home, contact your local ADU contractors near Sebastopol: Sightline Builders. Locally owned and operated in Sonoma County, they have over 28 years of experience in the construction industry.
read moreRegency Construnction & Remodeling BA
The Paramount, 95 3rd St, San Francisco, CA 94103 35.7 milesRegency Construction & Remodeling BA is a San Francisco ADU contractor offering new builds, space conversions, and prefab ADU solutions. They handle design to completion, manage permits, and ensure compliance with local zoning laws.
read moreManzanita Design Build
408 48th Street, Oakland, CA 94609 32.1 milesManzanita 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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What you need to know
Searching for top Detached ADU ADU Contractors in Napa, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Detached ADU ADU Contractor in Napa ensures your ADU project meets local building codes, zoning laws, and permit requirements. Whether you're planning a detached ADU, garage conversion, or backyard cottage, experienced Detached ADU professionals can guide you through every step.
Napa homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Detached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Detached ADU ADU Contractors in Napa, California, and get started today.