Detached ADU near Downey, CA
A1 ADU Contractor
13701 Riverside Drive, Sherman Oaks, CA 91423
23.6 miles
A1 ADU Contractor is Sherman Oaks' trusted ADU builder serving LA County. Specializing in garage conversions, detached ADUs & in-law suites, they handle permits, design & construction. Projects cost $50K–$100K, taking 3–6 months.
read more
IND Construction
16430 Ventura Boulevard, Encino, CA 91436
25.7 miles
At IND, we have a talented team of contractors, project leads, designers, and installers dedicated to creating your perfect home remodel or updating any interior or exterior project. We begin by scheduling a meeting with one of our exceptional IND project leads to assess your needs and develop several design and furnishing options.
read more
San Gabriel Valley ADU
1841 South San Gabriel Boulevard, Rosemead, CA 91776
10.3 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.
read more
FS Design & Construction
20520 Oxnard Street, Tarzana, CA 91367
28.2 miles
FS Design & Construction specializes in ADU construction, garage conversions, granny flats, home additions, kitchen & bathroom remodeling, and new construction. They manage design, permitting, and building for residential projects.
read more
Infinity ADU
645 West 15th Street, Long Beach, CA 90813
11.1 miles
Infinity ADU is a top ADU contractor in Long Beach, CA, specializing in attached, detached ADUs, granny flats & garage conversions. They handle design, permitting & construction, ensuring full local code compliance for a stress-free build.
read more
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.
read more
DB Construction
4555 Valley Boulevard, Los Angeles, CA 90032
15.2 miles
DB Construction is a full-service ADU contractor in Greater Los Angeles, building detached ADUs, garage conversions, JADUs, in-law suites, and room additions. They manage permits in-house, offering transparent costs and turn-key project completion.
read more
Willbii
2158 Huntington Drive, San Marino, CA 91108
13.2 miles
Willbii is a California ADU contractor specializing in granny flats, garage conversions, and in-law suites. They guide homeowners from consultation to construction, handling permits and design. ADUs can generate up to $5,000/month in rental income.
read more
Velmor Construction
19559 Vanowen Street, Los Angeles, CA 91335
31 miles
Velmor Construction offers full-scope ADU construction in Reseda, covering custom design, permitting, and build. Services include detached ADUs, garage conversions, and in-law suites using quality materials and local code compliance.
read more
The ADU Group
16000 Ventura Boulevard, Encino, CA 91436
25.7 miles
Los Angeles ADU builders with 10+ years experience, 220+ completed projects & 98% client satisfaction. Full-service ADU construction, garage conversions, design, permits & a deferred payment program—no payments until your ADU is rental-ready.
read more
Cornejos Builders
8909 Elmont Avenue, Downey, CA 90240
2 miles
Cornejos Builders offers ADU construction, garage conversions & home additions in LA & Orange County. 24 ADUs completed in 4 years. Costs range $80K–$250K. Licensed, insured, bonded. 1-year warranty included.
read more
United Builders Development, Inc
25350 Magic Mountain Parkway, Santa Clarita, CA 91355
42.2 miles
Building an ADU boosts property value, generates rental income, and offers flexible living space. United Builders, a licensed ADU contractor, delivers expert design-build solutions, garage conversions, and custom ADUs on time and within budget.
read more
Bela Development
1023 Abbot Kinney Boulevard, Venice, CA 90291
19.8 miles
Bela Development is an LA-based design-build firm with 15+ years specializing in ADU construction, garage conversions, detached ADUs, and JADUs. They manage design, permitting, and build under one roof, delivering legal living spaces that boost property value by 20–30%.
read more
Doobek Builders
5308 Derry Avenue, Los Angeles, CA 91301
23.3 miles
Doobek Builders offers home remodeling, large additions, and ADU construction. Services include garage conversions, interior conversions, additions, and ground-up ADU builds—ideal for granny flats, in-law suites, or backyard cottages.
read more
Saunders Construction Renovation Inc
2463 W Carson Street, Torrance, CA 91310
13.2 miles
Saunders Construction Renovation Inc offers ADU construction in Torrance, Redondo Beach & Palos Verdes Peninsula. Services include detached ADUs, garage conversions & granny flats. BBB A+ rated South Bay contractor.
read more
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.