Junior ADU (JADU) near San Jose, CA
Jaws Construction Services
14000 Kelso Road, Byron, CA 94514
41.7 miles
Jaws Construction Services builds ADUs, garage conversions, and JADUs. They handle permits, HOA coordination, and offer site-built or prefab options. East Bay ADUs rent for $1,500–$3,500+/month, potentially boosting property value.
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ADU Builders Group
15166 Los Gatos Boulevard, Los Gatos, CA 95032
7 miles
ADU Builders Group is a Bay Area family-owned ADU contractor with 21+ years of experience. They build attached, detached, converted, and junior ADUs, offering full design-build services, permitting support, a 3-year warranty, and a 10-year structural guarantee.
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Intelligent Choice Builders
1437 Park Avenue, San Jose, CA 95126
4.4 miles
Intelligent Choice Builders is a licensed Bay Area ADU contractor serving Palo Alto, Cupertino, San Jose & Sunnyvale. They build detached ADUs, garage conversions, granny flats & more, managing permits, design & construction end-to-end.
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The ADU Dudes
Livermore, CA
26.7 miles
The ADU Dudes is a Bay Area & Northern California ADU contractor offering ADU construction, JADUs, garage conversions, home additions & new builds. Licensed under San Andres Construction (#1081083), serving San Jose, Oakland, Fremont & more.
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Cajigas Construction Inc.
566 N Grant Ave, San Joaquin, CA 95336
49.3 miles
Cajigas Construction Inc. is a licensed ADU builder with 35+ years of experience serving Sacramento, Stanislaus, and San Joaquin Counties. Services include detached ADUs, JADUs, garage conversions, new home construction, and REO property services.
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Urbatect Development, LLC
444 Airport Boulevard, Watsonville, CA 95076
25.7 miles
Urbatect Development LLC is a California & Washington ADU contractor offering custom homes, garage conversions, JADUs & detached ADUs. 15+ years experience, 3,500+ projects, fixed pricing, fast permitting & 3D design.
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Done Right Builders and Remodeling
1825 De La Cruz Boulevard, Santa Clara, CA 95050
6.5 miles
Done Right Builders & Remodeling is a licensed Bay Area ADU contractor (Lic#1002689) with 20+ years experience. Services include detached/attached ADUs, JADUs & garage conversions in Union City, Hayward, San Jose & Santa Clara.
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ExpandADU | Prefab ADUs
41111 Mission Boulevard, Fremont, CA 94539
14.7 miles
ExpandADU is a California-based prefab ADU builder offering full-service accessory dwelling unit construction, including consultation, design, planning, and build. Serving the Bay Area and beyond, they specialize in detached ADUs, granny flats, and JADUs.
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Framework First ADUs
1610 Moffett Street, Salinas, CA 93905
46.3 miles
Framework First is a family-owned ADU builder in Monterey County, CA, with 40+ years of experience. They offer modular ADUs from 450–1,200 sq ft, handling permits, delivery, and installation with transparent pricing.
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Barcci Builders
16185 Los Gatos Boulevard, Los Gatos, CA 95032
7.9 miles
Barcci Builders specializes in ADU construction across the Bay Area, offering design, permitting, and build services. With 40+ completed units, they handle JADUs, garage conversions, attached, and detached ADUs, with costs ranging from $60K to $400K+.
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Clever Design & Remodeling
1630 Oakland Road, San Jose, CA 95131
6.1 miles
Clever Design & Remodeling builds ADUs across the San Francisco Bay Area, including garage conversions, attached, detached, and junior ADUs. Services cover permits, construction, interior design, and landscaping. Average ADU cost is ~$145,000.
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Adapt Dwellings
5944 Claremont Avenue, Oakland, CA 94618
43.8 miles
ADUs add rental income & property value. Services include garage conversions, detached ADUs, JADUs & granny flats. ADU Feasibility Studies cover code, utilities & ROI. Architectural services via Adapt Dwellings ensure smooth approval to construction.
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Collins Remodeling
2651 Blanding Avenue, Alameda, CA 94501
38.6 miles
Collins Remodeling is a licensed ADU contractor in Alameda, CA, specializing in detached ADUs, garage conversions, JADUs, and granny flats. They manage permitting, design, and construction, helping homeowners add value and rental income.
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Vargas Construction
16064 Vía Harriet, San Lorenzo, CA 94580
31.1 miles
Vargas Construction is a California ADU contractor offering detached, attached, garage, junior, and multifamily ADUs. They handle design, permitting, and construction with energy-efficient materials, custom interiors, and full amenities in 2–6 months.
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LRL Builders
1661 Botelho Drive, Walnut Creek, CA 94596
42.6 miles
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What you need to know
Searching for top Junior ADU (JADU) ADU Contractors in San Jose, California? Our directory highlights trusted local professionals who specialize in designing and building accessory dwelling units (ADUs).
Working with a qualified Junior ADU (JADU) ADU Contractor in San Jose 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 Junior ADU (JADU) professionals can guide you through every step.
San Jose homeowners are increasingly investing in ADUs to create additional living space, generate rental income, or support multigenerational living. The Junior ADU (JADU) experts featured here bring local expertise and proven experience to help make your project a success.
Browse our listings to find the best Junior ADU (JADU) ADU Contractors in San Jose, California, and get started today.