Detached ADU in California
Element Home Remodeling
800 West El Camino Real, Mountain View, CA 94040
Element Home Remodeling is a Mountain View ADU contractor offering full design-build services in Silicon Valley. They specialize in garage conversions, backyard cottages, in-law suites & rental units, serving Palo Alto, Sunnyvale & San Jos... read more
Sierra Construction & Design
17250 Sunset Boulevard, Pacific Palisades, CA 90272
Sierra Construction & Design builds custom ADUs, including guest houses, in-law suites, garage conversions & JADUs. Services cover design, permits & inspections. Boost property value & rental income with an experienced ADU contract... read more
EG CONSTRUCTION | ADU Builder San Diego
2434 Fenton Street, Chula Vista, CA 91914
EG Construction is a trusted San Diego ADU builder offering full-service design, permits & construction. They provide a Price Guarantee & 60-Day Completion Guarantee. Serving all of San Diego County. License #864642.
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ADU Homes, Inc.
245 East 3rd Street, Long Beach, CA 90802
ADU Homes is a full-service ADU contractor in Los Angeles & Orange County offering design-build solutions. They handle design, permitting & construction with fixed pricing. Options include studios, 1-3 bed units & carriage units.
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Aspace Studios
p.o. box 851, Glendora, CA 91741
Aspace Studios is an LA-based design-build firm specializing in ADUs and residential expansions. They handle detached, attached, garage conversion, and JADU projects, guiding homeowners through design, permitting, and construction.
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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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Maruda Construction
3355 Myrtle Avenue, North Highlands, CA 95660
Maruda Construction is a Sacramento-area ADU builder offering full-service design, permitting, construction, and financing. Standard ADUs start at $230K; premium units at $260K+. Typical project timeline: ~4 months from feasibility to occupancy.read more
Vought Construction
734 Gilman Street, Berkeley, CA 94710
Imagine the possibilities that a beautifully crafted ADU (accessory dwelling unit) brings to your Berkeley or Bay Area property. Whether it’s creating a cozy retreat for guests, a comfortable living space for family members, or an additional sou... read more
Armstrong Builders Inc.
755 Turquoise Street, San Diego, CA 92109
Armstrong Builders Inc. is a licensed ADU contractor in Greater San Diego specializing in accessory dwelling units, granny flats, and casitas. They offer full design-build services, custom floor plans, early price locks, and in-house teams.
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Todd Jersey Architecture
1321 Eighth Street, Berkeley, CA 94710
Todd Jersey Architecture (TJA) is a Berkeley-based sustainable design firm serving the SF Bay Area. Specializing in ADUs, remodels, new homes & historic preservation, TJA combines 30+ years of experience with a performance-driven, eco-consciou... read more
Element Homes
188 Acalanes Drive, Sunnyvale, CA 94086
Element Homes is a California ADU contractor offering full-service design, permitting, and construction. They build detached ADUs, garage conversions, and in-law suites across the Bay Area, with in-house teams, warranties, and free estimates.
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Bourke Construction
30802 South Coast Hwy, Laguna Beach, CA 92651
Bourke Construction builds custom ADUs in Orange County, including detached units, garage conversions, and JADUs. They manage design, permits, and construction, helping homeowners add rental income, multi-generational living space, or property val... read more
Jackson & Sands Engineering
900 East Main Street, Grass Valley, CA 95945
Jackson & Sands Engineering offers ADU plan design & engineering services across California. Options include custom designs or prepackaged plans. Trusted in permit ready programs for cities like Chico, Truckee & Placer County.
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SF Bay ADU
111 North Market Street, San Jose, CA 95113
SF Bay ADU is a full-service Bay Area ADU contractor offering design, permitting, and construction for units from 600–1,200 sq ft. Options include studio, 2bed/2bath, garden cottage, and in-law suites for rental income or multigenerational livin... read more
AMDEN HOMES - Design & Build
440 Stevens Avenue, Solana Beach, CA 92075
AMDEN HOMES - Design & Build is a San Diego ADU contractor with 20+ years of experience. They specialize in accessory dwelling units, guest houses, and remodels across San Diego County, offering full design-to-build services.
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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.