Junior ADU (JADU) near Cupertino, CA
Geico Builders
1901 Harrison Street, Oakland, CA 94612
35.9 miles
Geico Builders offers ADU services including detached ADUs, attached ADUs, Junior ADUs, garage conversions, and home additions. Ideal for rental income, family housing, or maximizing space on your existing property.
read more
Hamilton Exteriors
21634 Redwood Road, Castro Valley, CA 94546
28.5 miles
Hamilton Exteriors builds detached ADUs, garage conversions, and JADUs across 6 Bay Area counties. Licensed (CSLB #1078806), insured, and bonded. Projects run 5–9 months with fixed-price contracts. CalHFA grants and $0-down financing available.<... read more
Bay Builders & Remodeling
800 Charcot Avenue, San Jose, CA 95131
9 miles
Bay Builders & Remodeling specializes in custom ADU construction across Santa Clara, San Mateo, and East Bay. Services include attached, detached, garage conversions, and JADUs, helping homeowners add rental income, family housing, or workspac... read more
California Bay Builders & Remodeling
2150 N 1st Street Suite 400, San Jose, CA 95131
8.1 miles
Bay Area design-build ADU specialists. One project, one point of contact — design, engineering, permitting, and construction from start to finish. CSLB #1130783.
read more
Eco Scale Construction
Sunnyvale, CA 94085
5.1 miles
Eco Scale Construction builds ADUs in Sunnyvale, Los Altos & Palo Alto, CA. Services include detached ADUs, garage conversions & JADUs. Costs range from $80K–$400K+. Fully compliant with California ADU regulations.
read more
Edrington and Associates
5944 Claremont Avenue, Oakland, CA 94618
38.3 miles
Edrington and Associates helps property owners add ADUs—garage conversions, detached units, or Junior ADUs. They offer ADU Feasibility Studies in three packages and a free 15-minute consultation to explore options.
read more
Intelligent Choice Builders
1437 Park Avenue, San Jose, CA 95126
7.1 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... read more
YCD Studio
424 Treat Avenue, San Francisco, CA 94110
36.8 miles
YCD Studio is a Bay Area architecture firm specializing in ADU design and permits in Moraga and the Lamorinda area. Services include detached ADUs, garage conversions, and JADUs, with expertise in WUI standards and local fire district requirements... read more
Collins Remodeling
2651 Blanding Avenue, Alameda, CA 94501
32.9 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.
read more
LRL Builders
1661 Botelho Drive, Walnut Creek, CA 94596
39.9 miles
ExpandADU | Prefab ADUs
41111 Mission Boulevard, Fremont, CA 94539
14.1 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, an... read more
The ADU Dudes
Livermore, CA
29.5 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 &... read more
Urbatect Development, LLC
444 Airport Boulevard, Watsonville, CA 95076
30.1 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.
read more
Done Right Builders and Remodeling
1825 De La Cruz Boulevard, Santa Clara, CA 95050
6.6 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.
read more
Other cities in California
What you need to know
Searching for top Junior ADU (JADU) ADU Contractors in Cupertino, 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 Cupertino 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.
Cupertino 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 Cupertino, California, and get started today.