Attached ADU 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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New Key Construction
2890 North Main Street, Walnut Creek, CA 94597
44.7 miles
Edri Construction, Inc. Walnut Creek
1990 N California Blvd Ste 20, Walnut Creek, CA 94596
43.5 miles
Edri Construction, Inc. is a Walnut Creek-based ADU contractor serving the Bay Area. They specialize in garage conversions, detached ADUs, attached additions, in-law suites, and JADUs, handling design, permitting, and project management.
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Barzel Builders
4039 Transport Street, Palo Alto, CA 94303
16.3 miles
Geico Builders
1901 Harrison Street, Oakland, CA 94612
41.8 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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Remodeling Heroes
2150 Shattuck Avenue, Berkeley, CA 94704
45.5 miles
Remodeling Heroes is a licensed ADU contractor in the SF Bay Area offering garage conversions, detached ADUs, in-law suites, permits, and full project management for code-compliant, lot-smart accessory dwelling unit construction.
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Edri Construction, Inc. Berkeley
2120 University Ave, Berkeley, CA 94704
45.6 miles
Edri Construction, Inc. is a Berkeley-based general contractor specializing in ADU construction across the Bay Area. Services include garage conversions, detached ADUs, attached additions, granny flats, and custom interiors, with full project management from permits to finishing.
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Build My Casita
652 Gilman Street, Palo Alto, CA 94301
19.8 miles
Home WiP Construction Concierge
171 Main St 261, Los Altos, CA
15.7 miles
Realty Builders Inc.
50 California Street, San Francisco, CA 94111
45.4 miles
Realty Builders Inc. is a licensed ADU contractor specializing in custom accessory dwelling units, including in-law suites, granny flats, garage conversions & rental units, offering streamlined permitting & guaranteed workmanship.
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Dream Build Services
3654 Thornton Ave, Fremont, CA 94536
20.1 miles
Dream Build Services is a full-service ADU contractor in Fremont, CA, offering detached ADUs, garage conversions, basement conversions, and JADUs. Services include design, permits, electrical, plumbing, HVAC, and solar integration across the East Bay.
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Home Quality Remodeling
1070 Concord Avenue, Concord, CA 94520
48.2 miles
Home Quality Remodeling Inc. is a licensed Bay Area general contractor (CSLB #838832) with 20+ years of experience. Services include kitchen & bathroom remodeling, room additions, ADUs, and outdoor living across Concord, San Jose, and Paramus, NJ.
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Aldridge Construction
Monterey, CA 93901
44.9 miles
Aldridge Construction builds ADUs in Salinas, CA—detached, attached, garage conversions & interior units. Projects cost $150K–$300K, take 4–8 months, and include full permitting support. Free consultations available.
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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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Elite ADU Santa Cruz
347 Soquel Avenue, Santa Cruz, CA 95062
23.8 miles
Elite Construction builds ADUs in Santa Cruz County, offering detached units, garage conversions & addition ADUs. Projects range 250–1,200 sq ft, cost $115K–$450K, and take 6–9 months. Free estimates available.
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What you need to know
Searching for top Attached ADU 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 Attached ADU 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 Attached ADU 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 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 San Jose, California, and get started today.