Junior ADU (JADU) near Walnut Creek, CA
Mendez and Son's Construction Inc
39647 Iolani Ct., Fremont, CA 94538
25.9 miles
Mendez and Son's Construction is a Bay Area ADU contractor offering design-build services in Palo Alto, Mountain View, San Mateo & Walnut Creek. They handle detached ADUs, garage conversions & JADUs, managing permits to final inspection.
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ADU Builders Group
15166 Los Gatos Boulevard, Los Gatos, CA 95032
45.5 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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Eco Scale Construction
Sunnyvale, CA 94085
35.7 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.
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Geico Builders
1901 Harrison Street, Oakland, CA 94612
14 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.
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Jaws Construction Services
14000 Kelso Road, Byron, CA 94514
21.9 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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Northbay Home Solutions
47 Paul Drive, San Rafael, CA 94903
26.5 miles
Northbay Home Solutions offers full-service ADU construction in San Rafael, San Francisco & North Bay. Services include detached ADUs, garage conversions & JADUs, covering design, permits & build.
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Hamilton Exteriors
21634 Redwood Road, Castro Valley, CA 94546
12.2 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.
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Alpha1 Builders
3147 Dwight Road, Elk Grove, CA 95758
48 miles
Alpha1 Builders in Elk Grove, CA specializes in ADU construction, including garage conversions, attached, detached, junior, and multi-tenant ADUs. They manage design, permitting, and build, helping homeowners add value and rental income.
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Bay Builders & Remodeling
800 Charcot Avenue, San Jose, CA 95131
36.4 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 workspace.
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Clever Design & Remodeling
1630 Oakland Road, San Jose, CA 95131
36.9 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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LRL Builders, Inc.
1661 Botelho Drive, Walnut Creek, CA 94596
1.3 miles
LRL Builders, Inc. is a licensed ADU contractor in Walnut Creek, CA, specializing in detached, attached, garage conversion, and junior ADUs. They handle design, permitting, and construction, serving Walnut Creek and surrounding Bay Area communities.
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California Bay Builders & Remodeling
2150 N 1st Street Suite 400, San Jose, CA 95131
36.9 miles
Bay Area design-build ADU specialists. One project, one point of contact — design, engineering, permitting, and construction from start to finish. CSLB #1130783.
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Edrington and Associates
5944 Claremont Avenue, Oakland, CA 94618
12.3 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.
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LRL Builders
1661 Botelho Drive, Walnut Creek, CA 94596
1.3 miles
Other cities in California
What you need to know
Searching for top Junior ADU (JADU) ADU Contractors in Walnut Creek, 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 Walnut Creek 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.
Walnut Creek 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 Walnut Creek, California, and get started today.