Detached ADU in California
CityPaks
San Francisco, CA 95130
CityPaks is a minority & woman-owned ADU builder in the San Francisco Bay Area specializing in affordable, sustainable backyard cottages & detached ADUs using SIP panels. No crane needed, no sales tax, pre-approved in San Jose.
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Homes by Hedges
PO Box 2586, Valley Center, CA 92082
Homes by Hedges is an experienced ADU contractor in North San Diego County, building granny flats, casitas & garage conversions. Serving Valley Center, Escondido & more for 25+ years, managing permits & local zoning regulations.
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G Squared Construction
67 Martha Road, Orinda, CA 94563
San Diego Building and Renovation
3025 Beyer Boulevard, San Diego, CA 92154
San Diego Building and Renovation is a turnkey ADU contractor offering pre-approved floor plans, design, financing coordination, and construction for detached ADUs, garage conversions, and granny flats throughout San Diego, backed by parent compan... read more
Team Allstar Construction
301 9th Street, Redlands, CA 92374
Team All Star Construction (CSLB #1009760) is a California-licensed design-build contractor specializing in Accessory Dwelling Units (ADUs) for homeowners across Southern California. The company serves San Bernardino County, Riverside County, Oran... read more
MHP Construction
2402 South Sergeant Avenue, Rancho Cordova, CA 64804
MHP Construction offers ADU construction services in California, including detached units, conversions, and in-law suites. ADUs provide rental income, family housing, and flexible living—without buying extra land.
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Sprawl Design
1893 Lorient Place, Chula Vista, CA 91913
Sprawl-Design offers expert ADU design in San Diego, including garage conversions, attached & detached units. Starting from $60K, they manage design to construction with local expertise & budget clarity.
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Angelus Construction
330 Arden Avenue, Glendale, CA 91203
Angelus Construction is a Los Angeles ADU contractor with 30+ years of experience. They offer full-service ADU design, permitting, and construction, plus residential remodeling across Los Angeles and Ventura Counties.
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Backyard Unlimited
4765 Pacific Street, Rocklin, CA 95677
Backyard Unlimited, founded 2009 in Rocklin, CA, specializes in Amish-crafted sheds, gazebos, pergolas, and ADUs for Greater Sacramento homeowners. They handle full ADU design, permitting, and installation in-house, with no subcontractors.
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Cajigas Construction Inc.
566 N Grant Ave, San Joaquin, CA 95336
Cajigas Construction Inc. is a licensed ADU builder with 35+ years of experience serving Sacramento, Stanislaus, and San Joaquin Counties. Services include detached ADUs, JADUs, garage conversions, new home construction, and REO property services.... read more
USA Builders Pro
2900 Bristol Street, Costa Mesa, CA 92626
USA Builders Pro offers 20+ years of ADU construction and home addition services. Specializing in detached & attached ADUs, room additions, permits, and zoning compliance, they help homeowners boost property value and living space.
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Home Quality Remodeling
1070 Concord Avenue, Concord, CA 94520
Home Quality Remodeling Inc. is a licensed Bay Area general contractor (CSLB #838832) with 20+ years of experience. Services include kitchen & bathroom remodeling, room additions, ADUs, and outdoor living across Concord, San Jose, and Paramus,... read more
America's Dream HomeWorks
7115 Watt Avenue, North Highlands, CA 95660
America's Dream HomeWorks is a California-based design-build contractor specializing in ADU construction, including detached units, garage conversions & room additions. EPA Lead-Safe certified, A+ BBB rated, handling permits, design & buil... 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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Adria Design + Build
648 Paco Drive, Los Altos, CA 94024
We guide you through design options and material choices, taking precise measurements to create a custom plan that perfectly fits your property. This careful planning ensures that your new ADU will seamlessly blend with your existing space and mee... 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.