Detached ADU in California
Premium ADU
5161 Lankershim Boulevard, North Hollywood, CA 91601
Premium ADU is a Los Angeles ADU specialist offering design, permitting, and construction of detached ADUs, garage conversions, and JADUs. Operating since 2021 with an in-house team, projects typically complete in 6–12 months.
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Hamilton Exteriors
21634 Redwood Road, Castro Valley, CA 94546
Hamilton Exteriors builds detached ADUs, garage conversions, and JADUs across 6 Bay Area counties. Licensed (CSLB #1078806), insured, and bonded. Projects run 5–9 months with fixed-price contracts. CalHFA grants and $0-down financing available.<... 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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ADU Garage Experts
2999 Overland Ave. Suite 103, Los Angeles, CA 90064
ADU Garage Experts, a Southern California structural engineering firm, specializes in ADU planning and drafting. They offer garage conversions from ~$70/sqft, attached and detached ADUs, helping homeowners add rental income or living space.
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Greenberg Construction
908 Industrial Avenue, Palo Alto, CA 94303
Greenberg Construction builds custom ADUs, including detached units & garage conversions. Services include 3D renderings, dedicated project management, eco-friendly options & expert design guidance to add value & living space to your p... read more
Hall Builders Inc.
PO Box 1947, Atascadero, CA 93422
Hall Builders Inc. builds custom ADUs in San Luis Obispo County for rental income, multigenerational living, or guest use. Services include permitting, planning, construction, and a one-year warranty with post-completion check-ins.
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EHM Construction
3966 Falcon Street, San Diego, CA 92103
EHM Construction offers ADU design and building services in San Diego, CA. Projects include detached two-story ADUs with roof decks, garages, and scenic views in neighborhoods like Mission Hills and South Park.
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California Dream Builders
13623 Victory Boulevard, North Hollywood, CA 91401
California Dream Builders specializes in ADU design and construction, offering end-to-end services including architectural design, permitting, and full construction management. They build detached ADUs, granny flats, in-law suites, and backyard co... read more
A1 Building Contractors LLC
6885 Douglas Blvd, Granite Bay, CA 95746
Sacramento ADU Builder — Granite Bay & Roseville
Veteran-Owned Sacramento ADU Builders · Detached ADUs, Garage Conversions & Additions
Sacramento ADU Builders — 20+ Years, CSLB Licensed
A1 is a CSLB-licensed Sacramen... read more
Mission Home Remodeling
475 Gough Street, San Francisco, CA 94102
8A-Concrete & Construction
Fresno St, Fresno, CA 93703
8A-Concrete & Construction builds ADUs, garage conversions, and room additions in Fresno, Clovis & Visalia. Services cover foundation, framing, electrical, plumbing & interior finishes. Projects managed from permit to final inspection.... read more
Nj Design & Build
3675 Ruffin Road, San Diego, CA 92123
Global Arch Construction
800 Atlantic Street, Roseville, CA 95678
Global Arch Construction builds ADUs in Sacramento, offering detached units, garage conversions & in-law suites. Licensed design-build contractor managing permits, zoning & full construction. Projects completed in 4–8 months.
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Harmony Design & Build
1804 Garnet Avenue, San Diego, CA 92109
Harmony Design & Build specializes in ADU construction in San Diego, CA. Services include detached ADUs, garage conversions, attached units & custom designs. Ideal for rental income, in-law suites & added property value.
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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
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.