Attached ADU in California
YCD Studio
424 Treat Avenue, San Francisco, CA 94110
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.
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Prime Team Builders
147 West Route 66, Glendora, CA 91740
Prime Team Builders is a general contracting company serving the Inland Empire, including Pomona, Ontario, Riverside & more. They specialize in kitchen remodeling, bathroom remodeling, and residential renovations throughout Southern California.
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Kuhlman Scott Architects
607 North Vulcan Avenue, Encinitas, CA 92024
Kuhlman Scott Architects specializes in custom ADU design across San Diego County. Led by Todd Kuhlman, with 30+ years of experience, the firm creates detached ADUs, garage conversions, and JADUs tailored for quality, livability, and long-term property value.
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Temecula ADU Builders
45033 Putting Green Court, Temecula, CA 92592
Temecula ADU Builders is a local ADU contractor helping homeowners add accessory dwelling units, including detached ADUs, garage conversions, and granny flats, for rental income, family housing, or tax benefits in Temecula, CA.
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iHome Design & Remodel
614 South Euclid Street, Fullerton, CA 92832
iHome Design & Remodel specializes in custom ADU and casita construction, offering full-service builds from design to completion. Services include garage conversions, detached ADUs, permit handling, and free 3D consultations for homeowners.
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Y9 Construction
10637 Roselle Street, San Diego, CA 92121
NEO Builders Inc
12725 Califa Street, Valley Village, CA 91607
NEO Builders is a locally owned and operated construction and design company that helps every client individually and brings a unique perspective to each build.
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AP Remodeling
5972 Washington Boulevard, Los Angeles, CA 90232
AP Remodeling is an ADU contractor offering garage conversions, ground-up ADU builds, and home additions. Projects range from 400 to 1,200+ sq ft with budgets from $20,000 to $300,000+, serving homeowners seeking rental income, in-law suites, or extra space.
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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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Method Remodeling General Contractor
533 Airport Boulevard, Burlingame, CA 94010
Custom ADU construction and remodeling services focused on creating functional, comfortable living spaces with quality craftsmanship and reliable workmanship.
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LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project support.
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SDS Homes
42400 Winchester Road, Temecula, CA 92590
SDS Homes Construction is a Temecula, CA design-build contractor specializing in ADUs, granny flats, and Casitas. They offer turnkey services from design to permitting and construction, serving Temecula and Murrieta homeowners.
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OCA Builders
331 Soquel Avenue, Santa Cruz, CA 95062
OCA Builders offers ADU design & construction in Santa Cruz County, including detached, attached, garage conversion, internal & junior ADUs. They use county-approved floor plans to streamline permitting and reduce timelines.
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Cal ADU Builders Inc.
1610 R Street, Westminster, CA 95811
Cal ADU Builders Inc. is a licensed, family-owned ADU contractor in Westminster, CA, with 20+ years of experience. They offer custom ADU design, full construction, and consultation for Southern California homeowners.
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La Tour Builders
23362-G Via Fabricante, Mission Viejo, CA 92691
La Tour Builders offers expert ADU construction in Laguna Niguel, CA, including garage conversions, detached units & attached additions. Licensed, insured & code-compliant, they help homeowners add rental income or multigenerational living space.
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Other cities in California
What you need to know
Searching for top Attached 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 Attached 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 Attached 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 Attached ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Attached ADU ADU Contractors in California, and get started today.