Detached ADU in California
OC Builders Group
600 West Santa Ana Boulevard, Santa Clara, CA 92701
OC Builders Group specializes in ADU construction in California, offering detached ADUs, garage conversions, granny flats & in-law suites. They help homeowners navigate permits, zoning & state regulations to add rental income or housing value.
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Reno Revive Remodeling
2655 Stanwell Drive, Concord, CA 94520
Whether you’re planning a rental unit, a guest house, or a private suite for family, RenoRevive will help you design and build a fully functional ADU that fits your needs, your lot, and your long-term goals.
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Olive City Construction, LLC
3039 Orchard Avenue, Corning, CA 96021
Olive City Construction, LLC is a Northern California ADU contractor serving Chico. They offer tiered packages for accessory dwelling units, financing options including 0% APR, and handle permitting, garage conversions, granny flats, and detached ADU builds.
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Productive Home Renovation Inc
7241 Lankershim Boulevard, North Hollywood, CA 91605
Productive Home Renovation Inc offers full-service room additions, including porches, upper stories & interior expansions. They handle permits, planning & construction, ensuring code compliance & durable results tailored to each homeowner's needs.
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Tims New Construction
931 Broxton Avenue, Los Angeles, CA 90024
Tims New Construction is a Los Angeles contractor specializing in ADU, Junior ADU, and garage conversions. Services include custom design, permitting, and full builds. They also support SB9 projects, helping homeowners add rental units or family housing.
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Get Approved ADU
152 West Park Avenue, El Cajon, CA 92020
GetApprovedADU is a consulting firm specializing in ADU and JADU approvals. They assist with detached ADUs, garage conversions, granny flats, and attached units, helping homeowners boost property value and expand affordable housing options.
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Mastercraft Home Improvement
2227 Faraday Avenue, Carlsbad, CA 92008
Mastercraft Home Improvement offers expert ADU construction services, including granny flats, garage conversions & in-law suites. Boost property value by 10–25%, earn rental income & add flexible living space with a trusted ADU contractor.
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Schaefer Custom Homes
4251 South Higuera Street, San Luis Obispo, CA 93401
Schaefer Custom Homes builds ADUs in San Luis Obispo County, offering full ADUs, JADUs, garage conversions & detached units. They manage permits, design & construction for rental income, family living & more.
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CSL Quality Construction
659 3rd Avenue, Chula Vista, CA 91910
CSL Quality Construction is a trusted ADU contractor in San Diego County, offering full-service design, permits, construction, and renovations. ADUs can boost property value by 20–30% and generate rental income.
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GVD Builders & Construction
620 Commerce Drive, Roseville, CA 95678
GVD Builders & Construction is a licensed Sacramento residential contractor specializing in ADU construction, custom home building, home additions, kitchen & bathroom remodeling, siding, window replacement, and whole house remodeling.
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prefabADU
1111 Western St, Fairfield, CA CA 94533
prefabADU 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.
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ADU For You
1755 East Bayshore Road, Redwood City, CA 94063
ADU For You is a Bay Area ADU builder based in Redwood City, offering end-to-end services including design, permits, and construction. Serving 1,000+ clients, they specialize in custom detached ADUs, granny flats, and in-law suites at competitive prices.
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Custom ADU Builder
Los Angeles, CA 90012
Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
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Type Five
1336 Channing Way, Berkeley, CA 94702
Type Five is a Berkeley, CA-based ADU builder offering custom backyard cottages, granny flats & in-law suites. They combine modular design, transparent pricing & streamlined construction for stress-free, high-quality detached ADUs built to last.
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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 projects.
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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.