ADU Contractors near San Jose, CA
Optivest Build
1580 3rd Avenue, Walnut Creek, CA 94597
44.4 miles
Optivest Build is a licensed general contractor offering ADU construction, garage conversions, home additions, renovations, and new builds. They manage permits, design, and inspections, delivering residential and commercial projects on time and wi... read more
DeBrus Construction LLC
820 Arguello Boulevard, San Francisco, CA 94118
46.8 miles
DeBrus Construction LLC is a San Francisco general contractor specializing in seismic retrofits, foundation repair, ADU construction, and home remodeling. Led by Malcolm DeBrus, the company handles mandatory soft story retrofits, garage conversion... read more
ADORE Homes
180 East Sunnyoaks Avenue, Campbell, CA 95008
6 miles
ADORE Homes is a California ADU contractor specializing in detached ADUs, garage conversions, JADUs & in-law suites. They manage design, permitting & construction, helping homeowners add value & living space.
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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 &... read more
SOD Home Group
367 Santana Hts, San Jose, CA 95128
5.7 miles
SOD Home Group builds attached & detached ADUs, including granny flats, in-law suites, garage conversions & backyard cottages. Licensed ADU contractor (Lic. 942085) helping homeowners expand living space efficiently.
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Green Bay Remodeling
1415 Oakland Boulevard, Walnut Creek, CA 94596
43 miles
Green Bay Remodeling offers ADU construction in Palo Alto, CA, including detached units, garage conversions, basement units & JADUs. ADUs boost property value, generate rental income & support multigenerational living.
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NorCal ADU Builders
San Francisco, CA 94104
45.5 miles
NorCal ADU Builders is a California-based full-service ADU contractor handling planning, permits, Title 24 compliance, and construction—including foundation, framing, roofing, plumbing, and interior finishes—for detached ADUs, garage conversio... read more
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 t... read more
OCA Builders | Construction Company & ADU Contractor
245 20th Avenue, Santa Cruz, CA 95062
24.7 miles
OCA Builders is a trusted Santa Cruz general contractor specializing in ADU construction, custom homes, kitchen & bathroom remodeling, room additions, and commercial build-outs, delivering quality craftsmanship with deep local zoning expertise... read more
New Key Construction
2890 North Main Street, Walnut Creek, CA 94597
44.7 miles
Edrington and Associates
5944 Claremont Avenue, Oakland, CA 94618
43.8 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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Griggs Construction
6118 Market Street, Oakland, CA 94608
44.3 miles
LRL Builders, Inc.
1661 Botelho Drive, Walnut Creek, CA 94596
42.6 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 communitie... read more
Joy Line Homes
3110 Mission Drive, Capitola, CA 95065
19.4 miles
Joy Line Homes offers the ADURA ADU Series — factory-built backyard cottages and granny flats featuring modern design, high-end finishes, and durable materials. An affordable, plan-based ADU solution for homeowners seeking quality detached acces... read more
DreamHome Remodeling & Builders
36 Harold Avenue, Santa Clara, CA 95050
6.5 miles
Other cities in California
What you need to know
Building ADUs in San Jose: Navigating Silicon Valley's Housing Crisis
San Jose is the largest city in Northern California and sits at the heart of Silicon Valley, where skyrocketing housing costs have made Accessory Dwelling Units (ADUs) one of the most practical solutions for homeowners looking to add rental income or housing for family members. With the median home price consistently among the highest in the nation, hiring experienced ADU contractors in San Jose has become increasingly popular as residents look to maximize their property's value and contribute to the city's housing supply goals.
San Jose ADU Regulations and Zoning Requirements
San Jose follows California state ADU laws while also maintaining its own local guidelines. Working with a knowledgeable ADU contractor in San Jose is essential to navigating these rules successfully. Key regulations homeowners should be aware of include:
- Unit size limits: Detached ADUs can be up to 1,200 square feet, while attached ADUs are generally limited to 50% of the primary dwelling's square footage.
- Setback requirements: A minimum 4-foot setback from rear and side property lines is typically required for new detached ADUs.
- Height restrictions: Detached ADUs are generally limited to 16 feet in height, though this can vary by zone.
- Owner-occupancy rules: California law has suspended owner-occupancy requirements for ADUs until 2025, giving San Jose homeowners more flexibility.
- Parking requirements: In many cases, especially near transit corridors, ADU parking requirements are waived entirely.
Types of ADUs San Jose Contractors Commonly Build
Experienced ADU builders in San Jose are well-versed in constructing a variety of unit types to suit different lot sizes and homeowner needs. The most common types include:
- Detached ADUs: Standalone structures in the backyard, offering maximum privacy for both tenant and homeowner.
- Attached ADUs: Units built as an addition to the existing home, sharing at least one wall.
- Garage Conversions: A highly popular option in San Jose, converting an existing garage into a livable space.
- Junior ADUs (JADUs): Units up to 500 square feet created within the existing footprint of the primary residence.
Why Hiring a Local San Jose ADU Contractor Matters
Choosing a local ADU contractor in San Jose means working with professionals who understand the city's specific permitting process through the San Jose Department of Planning, Building and Code Enforcement (PBCE). Local contractors are familiar with the city's pre-approved ADU plan program, which can significantly speed up the permitting timeline. They also understand the unique soil conditions, seismic requirements, and utility connection protocols specific to the South Bay Area.
Whether you're looking to generate rental income, house extended family, or simply increase your property value, partnering with a qualified San Jose ADU contractor is the smartest first step toward a successful build.