Garage Conversion near Foothill Ranch, CA
San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
29.8 miles
San Gabriel Valley ADU Construction Contractors build & convert ADUs, granny flats, garage conversions & in-law suites across Pasadena, Arcadia & nearby cities. Expert permitting, design & cost management for LA County homeowners.
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Ultra-Unit Architectural Studio
1327 Loma Avenue, Long Beach, CA 90804
39.8 miles
Ultra-Unit Architectural Studio, based in Long Beach, CA, offers architecture and construction services for ADUs, residential, multifamily, and commercial projects. Led by Cameron Crockett AIA, LEED, with 25+ years experience. Free initial consultations available.
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Custom ADU Builder
113 West Santa Fe Avenue, Fullerton, CA 92832
26 miles
Full-service ADU contractor offering design, permitting, and construction of detached ADUs, attached ADUs, JADUs, and garage conversions. Most builds complete in 3–5 months. Includes quartz countertops, tile showers, and luxury vinyl flooring. Rental prep support available.
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Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
49.7 miles
Lux Builders offers room additions & ADU services in Los Angeles, including detached ADUs, garage conversions & second-story additions. With 20+ years experience, they manage design, permits & construction across LA County.
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LA Developing Inc.
8504 Firestone Boulevard, Downey, CA 90241
34 miles
An Accessory Dwelling Unit (ADU) adds value, rental income, and flexibility to your property. LA Developing Inc. specializes in ADU construction in Los Angeles, offering garage conversions, detached builds, and attached additions with full project support.
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Joseph Construction
4695 MacArthur Ct, Newport Beach, CA 92660
34.4 miles
Joseph Construction Builders LLC is a licensed detached ADU builder in Newport Beach & Costa Mesa, CA, with 30+ years of experience. Services include detached ADUs, garage conversions, JADUs, and home additions across Orange County.
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Kol & Co
23431 Blue Bird Dr, Lake Forest, CA 92630
34.4 miles
Kol & Co. is an ADU contractor serving Orange County, West LA & North San Diego. With 15+ years in design-build, they handle detached ADUs, garage conversions, JADUs & more—managing permits, design, and construction under one roof.
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Prime Team Builders
147 West Route 66, Glendora, CA 91740
16.8 miles
Prime Team Builders is a general contracting company serving the Inland Empire, including Pomona, Ontario, Riverside & more. They specialize in kitchen remodeling, bathroom remodeling, and residential renovations throughout Southern California.
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1 Degree Construction
13107 Ventura Boulevard, Studio City, CA 91604
47.5 miles
1 Degree Construction is a Los Angeles ADU builder & home addition contractor. Services include detached ADUs, garage conversions, second-story additions & in-law suites. Projects range from $30K to $150K+.
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YOR Construction
12135 Miranda Street, Valley Village, CA 91607
47.6 miles
An ADU (accessory dwelling unit) is a secondary home on a residential lot. Garage conversion ADUs are cost-effective options. YOR Construction, an LA-based ADU contractor, specializes in garage conversions tailored to homeowner needs.
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King Home Remodeling
1012 West Beverly Boulevard, Montebello, CA 90640
32.1 miles
King Home Remodeling builds detached, attached, garage conversion, basement, and junior ADUs in Montebello. Services include design, permitting, construction, and inspections. Local zoning, size limits, and parking rules apply.
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ADU Builder LA
126 West Elm Court, Burbank, CA 91502
42.5 miles
ADU Builder LA is a full-service ADU contractor in Los Angeles, managing every phase of accessory dwelling unit projects. They offer transparent pricing, expert guidance, and handle all permitting. Services include detached ADUs, attached ADUs, garage conversions, and JADUs.
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ADU Homes, Inc.
245 East 3rd Street, Long Beach, CA 90802
37.6 miles
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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Martins Construction Corp
1666 Courtney Ave., Los Angeles, CA 90046
39.5 miles
California's 2020 ADU laws allow two ADUs on single-family lots, reduced setbacks, larger units up to 800 sq ft, no owner-occupancy rules until 2025, faster approvals, and expanded parking exemptions statewide.
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i Arch Studios
127 South Brand Boulevard, Glendale, CA 91204
39.2 miles
i Arch Studios specializes in building ADUs above existing garages, handling structural assessment, permits, zoning compliance, utility installation, and interior finishes to deliver functional, code-compliant living spaces that add property value.
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Other cities in California
What you need to know
Searching for top Garage Conversion ADU Contractors in Foothill Ranch, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Garage Conversion ADU Contractor in Foothill Ranch 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 Garage Conversion professionals can guide you through every step.
Foothill Ranch homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Garage Conversion experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Garage Conversion ADU Contractors in Foothill Ranch, California, and get started today.