Detached ADU in California
Talmadge Construction Inc
8070 Soquel Drive, Aptos, CA 95003
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 pr... read more
URBN BLDRS
4231 Balboa Ave, San Diego, CA 92117
URBN BLDRS is a specialized ADU contractor helping homeowners plan and build accessory dwelling units. They offer expert guidance, dedicated project teams, and streamlined processes from consultation to construction completion.
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First Choice Home Builders
10620 Treena Street, San Diego, CA 92131
First Choice Home Builders is a licensed San Diego ADU contractor with 15+ years of experience. They offer full-service ADU construction, including detached ADUs, garage conversions, and JADUs, with permit handling and flexible financing options.<... read more
Bartona Builders
331 Delaware Road, Burbank, CA 91504
Bartona Builders specializes in ADU construction in Los Angeles, offering detached ADUs, garage conversions, and in-law suites. They manage the full build process, ensuring code-compliant construction that adds value to residential properties.
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Spruce ADU Builders Union City
3909 Smith Street, Union City, CA 94587
Spruce ADU Builders is a licensed ADU contractor in Union City offering expert accessory dwelling unit construction. Services include granny flats, in-law suites, and custom ADUs with free consultations, transparent pricing, and a 100% satisfactio... read more
LPI Construction
149 Poinsettia Avenue, Monrovia, CA 91016
LPI Construction offers custom homes, ADU construction, and solar electric systems. Services cover hillside builds, detached/attached ADUs, garage conversions, and sustainable building practices, managing full project lifecycles from permits to co... read more
DeHaro Construction Inc
6411 Brisa Street, Livermore, CA 94550
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 T... read more
Robinett Construction
119 Thomas Street, Crescent City, CA 95678
Robinett Construction is a Northern California general contractor specializing in kitchen remodeling, bathroom renovations, and ADU construction. Services include garage conversions, in-law suites, and detached ADUs, with full permit handling and ... read more
Central Coast ADU
260 Maple Court, Ventura, CA 93003
Central Coast ADU offers full ADU planning, design, and permitting services for homeowners on the Central Coast. From granny flats to garage conversions, they deliver construction-ready plans and approved permits.
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亞華建築YAHUA CONSTRUCTION
650Bfremont Ave, Los Altos, CA 94024
YAHUA Construction Inc. is a California-based licensed general contractor with 20+ years of experience. Specializing in ADUs, remodeling, MEP, roofing, and more, they serve the Bay Area with quality, sustainable construction.
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ADUs By Avatar
1610 R Street, Sacramento, CA 95811
ADUs by Avatar is a Southern California ADU builder offering a transparent Plan, Design & Build process. They handle feasibility studies, permits, 3D design, and construction, delivering detached ADUs, granny flats & in-law suites on time.... read more
ADBC Architecture
460 Mandana Boulevard, Oakland, CA 94610
ADBC Architecture completed an 800 SF detached ADU in East Bay, CA in 2025, designed for multigenerational living. Built with thermally modified wood and steel, the backyard cottage features high ceilings and large windows for a spacious feel.
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New Birth Builders
11500 West Olympic Boulevard, Los Angeles, CA 90064
New Birth Builders believes that a room addition or Garage Conversion is a great way to increase your home’s value and this new space can be used in a variety of ways. For most homeowners adding a room is less cost efficient and stressful than h... read more
Ultra-Unit Architectural Studio
1327 Loma Avenue, Long Beach, CA 90804
Ultra-Unit Architectural Studio, based in Long Beach, CA, offers architecture and construction services for ADUs, residential, multifamily, and commercial projects. Led by Cameron Crockett AIA, LEED, with 25+ years experience. Free initial consult... read more
Arrowhead Remodeling & Design
18345 Ventura Boulevard, Tarzana, CA 91356
Arrowhead Remodeling & Design is a licensed California ADU contractor specializing in detached ADUs, garage conversions, and in-law suites. They offer free in-home consultations and manage projects from planning to completion.
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Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in 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 California 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.
California 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 California, and get started today.