Attached ADU near Foothill Ranch, CA
The ADU Company
504 East Navilla Place, Covina, CA 91723
17.6 miles
The ADU Company, a licensed ADU contractor in Covina, CA, serves greater Los Angeles with expert accessory dwelling unit design and construction, including garage conversions, detached ADUs, JADUs, home additions, remodels, and more.
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Liebo Builders
750 North San Vicente Boulevard, West Hollywood, CA 90069
46.4 miles
Liebo Builders is a Southern California ADU contractor specializing in detached, attached, garage conversion & interior ADUs. Services include custom design, permitting, and construction for guest houses, rentals & home offices.
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ADUs BY JACK
Burbank, CA 91505
45.1 miles
ADUs BY JACK is a full-service ADU contractor in Greater Los Angeles, led by Jack Topalian with 30+ years experience. Specializing in detached ADUs, garage conversions, JADUs, and granny flats across Burbank, Encino, Tujunga & more.
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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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Baum Construction & Development Inc
2900 Fidler Avenue, Long Beach, CA 90815
38.7 miles
ADUs (accessory dwelling units) are self-contained homes on existing properties, ideal for rentals or multi-generational living. Costs range $100K–$200K. Baum Construction & Development Inc builds ADUs in Long Beach, CA.
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SDS Homes
42400 Winchester Road, Temecula, CA 92590
49.3 miles
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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Custom ADU Builder
Los Angeles, CA 90012
38.6 miles
Custom ADU Builder specializes in detached ADUs, attached ADUs, garage conversions & JADUs. Projects complete in ~3 months. Pricing starts at $235/sqft. Turn-key builds include quartz countertops, tile showers & luxury vinyl flooring.
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ADU Hotline
5301 Laurel Canyon Blvd, Los Angeles, CA 91607
47.4 miles
ADU Hotline offers affordable ADU design and permitting in Southern California. From granny flats to garage conversions, they handle the full process in 3–4 weeks, helping homeowners add rental income or family housing efficiently.
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AP Remodeling
5972 Washington Boulevard, Los Angeles, CA 90232
47.3 miles
AP Remodeling is an ADU contractor offering garage conversions, ground-up ADU builds, and home additions. Projects range from 400 to 1,200+ sq ft with budgets from $20,000 to $300,000+, serving homeowners seeking rental income, in-law suites, or extra space.
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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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LA ADU Solutions Inc.
Los Angeles, CA 90012
38.6 miles
Accessory Dwelling Units (ADUs) offer California property owners passive income, elderly care solutions, and property value growth. Since 2020 legislation, ADU permits are easier to obtain. Construction costs range $350–$450/sq ft, with rental income potential up to $4,000/month.
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High Touch Remodeling
10917 West Pico Boulevard, Los Angeles, CA 90064
46 miles
High Touch Remodeling is a Los Angeles ADU contractor specializing in garage conversions. They offer full garage-to-ADU buildouts, design planning, space optimization, and code compliance, with free estimates available.
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Blue Dog Construction
4199 Flat Rock Road, Riverside, CA 92505
14.8 miles
FabuHome
9451 Telstar Avenue, El Monte, CA 91731
27.9 miles
FabuHome offers affordable ADU building services, including detached units, in-law suites & backyard cottages. Full-service design to construction, tailored to your budget, helping homeowners add value & flexible living space.
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Productive Home Renovation Inc
7241 Lankershim Boulevard, North Hollywood, CA 91605
46.2 miles
Productive Home Renovation Inc offers full-service room additions, including porches, upper stories & interior expansions. They handle permits, planning & construction, ensuring code compliance & durable results tailored to each homeowner's needs.
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Other cities in California
What you need to know
Searching for top Attached ADU 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 Attached ADU 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 Attached ADU 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 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 Foothill Ranch, California, and get started today.