Prefab / Modular ADU near Downey, CA
Homeplex
421 West Broadway, Long Beach, CA 90802
12.2 miles
Prefab vs. stick-built ADUs explained. Homeplex offers the Clever ADU, an HCD-certified modular unit built all-electric in a factory, saving 5–6 months vs. traditional construction. Costs vary based on site conditions.
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ADU Custom Home Source
1420 East Katella Avenue, Norco, CA 92867
19.3 miles
ADU Custom Home Source, based in Riverside, CA, specializes in custom manufactured homes and ADUs. Serving Southern California, they handle design, permitting, financing, and installation, offering granny flats, casitas, and detached ADUs.
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BuildShure
401 Corporate Pointe, Culver City, CA 90230
16.2 miles
BuildShure specializes in ADUs and tiny homes, offering models like Studio Pod, Casita, and 2-bed Residence built with SIP Panels. They guarantee fixed pricing and pay $500/day for delays, ensuring reliable, energy-efficient backyard cottages.
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Revival Homes
1150 South Olive Street, Los Angeles, CA 90015
10.2 miles
Revival Homes is a California ADU project manager handling planning, financing, design, permitting, and construction. They build detached ADUs, garage conversions, JADUs, and more, with costs ranging from $100K to $300K.
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Level Up Contractor
6700 Fallbrook Avenue, West Hills, CA 91307
32.6 miles
Level Up Contractor is an ADU builder in Los Angeles offering garage conversions, detached ADUs, and JADUs. Services include full permitting, design-build, and LADBS coordination. Costs range from $100K to $450K depending on project type.
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Superior ADUs
6 Venture, Irvine, CA 92618
29 miles
The Springfield by Superior ADUs is a 2-bed, 2-bath detached ADU with open-concept living, vaulted ceilings, mini-split HVAC, kitchen island, ample storage, and optional ethanol fireplace—ideal as a granny flat or in-law suite.
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What you need to know
Searching for top Prefab / Modular 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 Prefab / Modular 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 Prefab / Modular 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 Prefab / Modular ADU experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Prefab / Modular ADU ADU Contractors in Downey, California, and get started today.