Attached ADU in California
Lincoln James Construction
79 E Daily Dr, Camarillo, CA 93010
Lincoln James Construction (License #B-860952) builds custom ADUs in Ventura & Los Angeles Counties since 2005. Services include detached units, garage conversions, basement ADUs, in-law suites & rental-ready builds across Southern Califor... read more
KGM Construction
1508 Mill Street, San Luis Obispo, CA 93401
Founded in 1986 by Mike Morain, KGM Construction is an A+ BBB-rated contractor offering residential remodeling, new home construction, ADUs, granny flats, garage conversions, commercial builds, and storm damage restoration with 35+ years of experi... read more
Green Design and Build
16120 Sherman Way, Van Nuys, CA 91406
Licensed, veteran-owned ADU builder in Van Nuys. Detached, attached and junior ADUs plus garage conversions, with design, permits and construction handled under one roof.
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Orange County Construction
1173 North Red Gum Street, Anaheim, CA 92806
Urbane Design
8619 Reseda Boulevard, Northridge, CA 91324
Urbane Design is a Los Angeles ADU contractor offering design, planning, and permitting for attached and detached ADUs. Services include 3D floor plans, engineering plans, and permit processing with transparent pricing and free consultations.
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Backyard Homes
2800 5th Street, Davis, CA 95618
Backyard Homes is a top ADU builder in Sacramento with 80+ completed units. They offer detached, attached, and conversion ADUs, handling design, permitting, and construction for a seamless experience across the greater Sacramento region.
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Merced County Builders
2222 M Street, Los Banos, CA 95340
ADU Certified
4401 Atlantic Avenue, Long Beach, CA 90807
ADU Certified is a Long Beach, CA contractor specializing in ADU planning, permitting & construction since 2000. Services include garage conversions, detached ADUs, kitchen & bathroom remodeling throughout Southern California.
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HRC Construction
4305 Caterpillar Road, Redding, CA 96003
Price Builders
6351 Nancy Ridge Drive, San Diego, CA 92121
Price Builders is an Imperial Beach design-build contractor specializing in home additions, ADUs, and remodeling. Services include second-story additions, in-law suites, kitchen and bathroom remodels, and aging-in-place renovations.
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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 h... read more
Downey ADU Builders
8607 Imperial Highway, Downey, CA 90242
Downey ADU Builders offers expert ADU contractor services including detached ADUs, garage conversions, attached ADUs, JADUs, and home additions. Licensed contractors handle permits, design, and construction with 10+ years of experience.
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Southland Remodeling
15021 Ventura Boulevard, Sherman Oaks, CA 91403
Southland Remodeling is a Los Angeles ADU contractor offering detached ADUs, garage conversions, and room additions. With 20+ years experience, they handle design, permits, and construction across LA and San Fernando Valley.
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Condor Builders
12933 Digger Pines Circle, Grass Valley, CA 95949
Condor Builders offers custom ADU design & construction in Sacramento & Northern California. Services include permitting, energy-efficient builds, garage conversions & two-story ADUs. Serving Roseville, Folsom, Granite Bay & more. ... read more
Long Beach Elite ADU Solutions
245 East 3rd Street, Long Beach, CA 90802
Long Beach Elite ADU Solutions specializes in ADU construction and garage conversions in Long Beach, CA. Services include detached ADUs, JADUs, basement and above-garage units. 15+ years experience, 150+ completed projects.
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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.