Detached ADU near Downey, CA
Lux Builders
1020 Manhattan Beach Boulevard, Manhattan Beach, CA 90266
15.7 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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ADUs BY JACK
Burbank, CA 91505
21.7 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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Easton Designs
960 North Tustin Street, Orange, CA 92867
18.8 miles
Easton Designs and Consulting (EDC) is an Orange County, CA home design, architecture, and remodeling firm. Services include ADU construction, kitchen remodels, room additions, pools, and outdoor living. Free consultations available.
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Ultra-Unit Architectural Studio
1327 Loma Avenue, Long Beach, CA 90804
10.4 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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JSN Construction
15920 Eccles St, North Hills, CA 91343
28.2 miles
JSN Construction specializes in ADU garage conversions in Los Angeles, offering cost-effective solutions for detached ADUs, granny flats, and in-law suites. They handle permitting, Title 24 compliance, and full project management.
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YOR Construction
12135 Miranda Street, Valley Village, CA 91607
22.4 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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ADU Professionals
8175 Limonite Avenue, Corona, CA 92509
38.9 miles
ADU Professionals, Corona CA, builds custom Accessory Dwelling Units since 1999. Offering floor plans from 500–1,200 sq ft, including detached ADUs, granny flats & in-law suites for rental income or multigenerational living.
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CarbonShack Design
715 Cypress Avenue, Los Angeles, CA 90065
11.9 miles
CarbonShack Design offers expert ADU design services in Los Angeles, specializing in accessory dwelling units, detached ADUs, granny flats & in-law suites. Carbon-conscious building practices & design-first approach set them apart.
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ADU Builders CA
6464 Sunset Boulevard, Los Angeles, CA 90028
15.9 miles
ADU Builders is a licensed Los Angeles ADU contractor with 15 years of experience. They offer detached, attached, garage conversion, and JADU construction, managing permits, design, and inspections per California ADU building codes.
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Next Level ADU Builders
8520 Florence Avenue, Downey, CA 90240
0.3 miles
Next Level ADU Builders, serving Los Angeles, Riverside & Pico Rivera since 1997, specializes in ADU construction—detached units, granny flats & casitas—plus HVAC, remodeling & roofing, with financing options available.
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SKS Construction
6445 Sepulveda Boulevard, Van Nuys, CA 91411
25.8 miles
SKS Construction, founded in 1987 in Los Angeles, offers ADU construction, seismic retrofitting, balcony inspections (SB 326 & SB 721 compliance), and structural engineering. With 200+ projects and 80% repeat clients, they deliver expert design-build solutions.
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Buildoly
915 Wilshire Blvd, Los Angeles, CA 90017
10.7 miles
Buildoly is an ADU contractor offering full-service construction for detached ADUs, garage conversions, granny flats, JADUs, and backyard cottages. They manage design, permitting, and building, helping homeowners add rental income or family housing.
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Waconah Construction
616 Edgewood Street, Inglewood, CA 90302
12.9 miles
Waconah Construction builds custom ADUs in West Los Angeles, including backyard cottages, garage conversions, above-garage units, and granny flats. Serving Santa Monica, Venice, Brentwood & Beverly Hills, they guide homeowners through design, permitting, and construction.
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ADU Palmdale
550 West Rancho Vista Boulevard, Palmdale, CA 93551
45.9 miles
ADU Palmdale builds Accessory Dwelling Units in Palmdale, CA & greater LA. Services include garage conversions, detached ADUs & attached units. Free estimates available for rental income, multigenerational living & property value growth.
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ADU Custom Homes
1420 East Katella Avenue, Orange, CA 92867
16.2 miles
ADU Custom Homes is a licensed California ADU contractor with 35+ years of experience serving LA, Orange & Riverside counties. They specialize in detached ADUs, garage conversions & additions, managing projects from permits to Certificate of Occupancy.
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Other cities in California
What you need to know
Searching for top Detached ADU ADU Contractors in Downey, 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 Downey 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.
Downey 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 Downey, California, and get started today.