NP Line Design INC

22616 Kittridge Street, West Hills, CA 91307 26.1 miles

Golden ADU

640 S Curson Ave #603, Los Angeles, CA 90036 10.2 miles

Golden ADU, serving Southern California since 2021, specializes in custom ADU construction including garage conversions and detached backyard cottages. They offer flexible financing with no upfront costs, completing most projects in 6–12 months.

Los Angeles Advanced ADU Builders

240 South Beverly Drive, Los Angeles, CA 90212 10.7 miles

Licensed 20 years in business Prefab Specialist

Los Angeles Advanced ADU Builders offers full-service ADU construction across LA, including garage conversions, detached units, JADUs & prefab ADUs. With 20+ years experience & 500+ builds, they handle design, permits & zoning compliance.

R Remodeling

6745 Washington Avenue, Whittier, CA 90601 18.8 miles

Turnkey Solutions

R Remodeling is a trusted ADU contractor in Whittier, specializing in accessory dwelling units for added living space or rental income. Experienced in detached ADUs, they manage projects from consultation to completion with minimal property disruption.

Potato Construction

8326 East Valley Boulevard, Rosemead, CA 91770 18.8 miles

Licensed 15 years in business

Potato Construction Inc., based in Rosemead, CA, is a licensed ADU contractor with 15+ years of experience. They build detached ADUs, garage conversions, attached ADUs, and JADUs across the San Gabriel Valley and greater Los Angeles area.

Downey ADU Builders

8607 Imperial Highway, Downey, CA 90242 13 miles

Licensed 10 years in business Eco-Friendly

Downey ADU Builders offers expert ADU contractor services including detached ADUs, garage conversions, attached ADUs, JADUs, and home additions. Licensed contractors handle permits, design, and construction with 10+ years of experience.read more

Romano Builders

14407 Gilmore Street, Van Nuys, CA 91401 19.7 miles

Eco-Friendly

Romano Builders specializes in ADU construction in Los Angeles, offering detached, attached, garage conversion, and junior ADUs. Costs range $300–$600/sq ft, with rental income potential of $1,500–$4,000+/month.

Long Beach Elite ADU Solutions

245 East 3rd Street, Long Beach, CA 90802 13.8 miles

Licensed 15 years in business

Long Beach Elite ADU Solutions specializes in ADU construction and garage conversions in Long Beach, CA. Services include detached ADUs, JADUs, basement and above-garage units. 15+ years experience, 150+ completed projects.

ADU Design Homes

2610 Pacific Avenue, Manhattan Beach, CA 90266 3.4 miles

Prefab Specialist Eco-Friendly

ADU Design Homes is a full-service ADU design and build firm in Los Angeles and Orange County. They handle detached ADUs, JADUs, garage conversions, permitting, engineering, and construction under one roof.

Saunders Construction Renovation Inc

2463 W Carson Street, Torrance, CA 91310 6.2 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.

Coastal Builders

610 E Santa Clara Ave, Santa Ana, CA 92706 29.8 miles

Free Consultation Free Site Assessment

Coastal Builders is a Long Beach, CA ADU contractor specializing in detached, attached, garage conversion, basement, and attic ADUs. They offer design consultation, ADA-compliant builds, and custom units like granny flats and in-law suites.

Other cities in California

What you need to know

Searching for top Attached ADU ADU Contractors in Hawthorne, 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 Hawthorne 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.

Hawthorne 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 Hawthorne, California, and get started today.

Attached ADU near Hawthorne, CA