ADU Contractors in California
Santa Cruz Construction Experts
303 Potrero Street, Santa Cruz, CA 95060
Santa Cruz Construction Experts builds ADUs in Scotts Valley, CA, including detached units, granny flats & in-law suites. They also construct pool houses, garages & outdoor spaces, ensuring local code compliance.
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Albera Construction
4001 Inglewood Ave. #101-219, Redondo Beach, CA 90278
Albera Construction builds custom ADUs in Los Angeles County, including detached units, garage conversions, and JADUs. Licensed contractor #1079656, serving South Bay, Beach Cities, and Greater LA. Full project management from design to permits.read more
Vision Home Remodeling
7717 Owensmouth Avenue, Canoga Park, CA 91304
Vision Home Remodeling Inc. offers full-service ADU construction in Los Angeles, including detached units, attached dwellings, casitas, and rental-ready granny flats. Services cover design, permitting, and ground-up builds tailored to LA zoning la... read more
Millan Construction | ADU & Remodeling
325 West Washington Street, San Diego, CA 92103
Millan Construction is a San Diego ADU contractor specializing in ADU construction, home remodeling, kitchen & bathroom renovations, structural repairs, and permit management. Known for honest pricing and quality craftsmanship, they offer free... read more
New Era Home Services
Long Beach, CA 90815
New Era Home Services LLC is a full-service ADU builder specializing in custom accessory dwelling units, including granny flats, rental units, and garage conversions, guiding homeowners through design, permitting, and construction.
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HomeAdd
22256 Buenaventura Street, Woodland Hills, CA 91364
HomeAdd is a Woodland Hills-based design-build contractor offering ADU construction, garage conversions, and home additions across Los Angeles, Orange, and Ventura Counties, managing design, permitting, and construction under one contract with fre... read more
Sea Pointe Design & Remodel
576 Wald, Irvine, CA 92618
Considering an ADU in California? Sea Pointe Design & Remodel helps homeowners plan and build accessory dwelling units, including garage conversions, granny flats, and backyard cottages, handling permits, design, and construction.
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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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Adapt Dwellings
5944 Claremont Avenue, Oakland, CA 94618
ADUs add rental income & property value. Services include garage conversions, detached ADUs, JADUs & granny flats. ADU Feasibility Studies cover code, utilities & ROI. Architectural services via Adapt Dwellings ensure smooth approval t... read more
Burnette Construction
8100 Otium Way, Sacramento, CA 95843
Burnette Construction offers licensed basement ADU conversion services in Antelope, CA. Specializing in below-grade builds, they handle design, permits, plumbing, HVAC, kitchens, bathrooms, flooring, and separate entry construction for fully compl... read more
King Home Remodeling
1012 West Beverly Boulevard, Montebello, CA 90640
King Home Remodeling builds detached, attached, garage conversion, basement, and junior ADUs in Montebello. Services include design, permitting, construction, and inspections. Local zoning, size limits, and parking rules apply.
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Backyard Bungalows
2131 Palomar Airport Road, Carlsbad, CA 92011
Sequoia Homes & Backyard Bungalows offer affordable ADU builder services in Carlsbad, CA. From granny flats to in-law suites, they handle design, permits, financing & installation. Projects completed in as little as 8 weeks.
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California ADU Experts
111 East Cedar Avenue, Burbank, CA 91502
California ADU Experts simplify the complexities of ADU development with a full-service approach encompassing everything from design and architecture to permitting and construction.
Their goal is to provide a streamlined experience tailored ... read more
Supreme Remodeling Inc.
5000 Van Nuys Boulevard, Van Nuys, CA 91403
Supreme Remodeling Inc. is a licensed Los Angeles general contractor with 30+ years of experience. Services include kitchen & bathroom remodeling, ADU construction, garage conversions, room additions, and new home builds across LA, Ventura &am... read more
AMG Construction
4237 West 142nd Street, Long Beach, CA 90250
AMG Construction INC offers residential & commercial remodeling, new builds, ADU construction, room additions, and roofing services. Licensed and insured, they handle full projects from design to completion.
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Other cities in California
What you need to know
ADU Contractors in California: Navigating the Golden State's Unique Landscape
California is at the forefront of the Accessory Dwelling Unit (ADU) movement in the United States. With one of the most severe housing shortages in the nation, the state has enacted sweeping legislation to make ADU construction more accessible. Since 2020, California laws such as AB 68, AB 881, and SB 13 have significantly reduced barriers, eliminating minimum lot size requirements, reducing setback rules, and streamlining the permitting process. For homeowners looking to add value to their property or create additional rental income, working with experienced ADU contractors in California has never been more important.
What California ADU Contractors Must Know About State Regulations
Professional ADU contractors operating in California must stay current with a constantly evolving regulatory environment. Under California law, local agencies are required to approve or deny ADU permit applications within 60 days. Additionally, ADUs under 800 square feet cannot be denied solely based on floor area ratio limits. Contractors must also be familiar with owner-occupancy rules, utility connection requirements, and fire safety standards that vary by county and municipality. Cities like Los Angeles, San Diego, and San Jose each have their own local ordinances layered on top of state law, making local expertise a critical asset.
Types of ADUs Built by California Contractors
Experienced California ADU contractors are skilled in building a wide variety of ADU types to suit different property configurations and homeowner needs. The most common types include:
- Detached ADUs: Standalone structures built in the backyard or side yard of a primary residence.
- Attached ADUs: Units that share a wall with the main home, often built as additions.
- Garage Conversions: Transforming existing garages into livable spaces, a popular and cost-effective option.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of a home.
How to Choose the Right ADU Contractor in California
Selecting the right contractor is one of the most critical decisions in any ADU project. Homeowners should look for contractors who hold a valid California Contractors State License Board (CSLB) license, ideally a Class B General Building Contractor license. It is also important to verify that the contractor carries proper liability insurance and workers' compensation coverage. Look for professionals with a proven track record of successfully permitted ADU projects in your specific city or county.
The Benefits of Building an ADU in California
Building an ADU in California offers significant financial and lifestyle benefits. Homeowners can generate rental income to offset mortgage costs, house family members, or increase overall property value. In high-cost markets like the San Francisco Bay Area or Los Angeles, a well-built ADU can add hundreds of thousands of dollars in property value. With the right California ADU contractor by your side, the process can be smooth, compliant, and highly rewarding.