ADU Contractors near San Jose, CA
Larson Shores Architects
1295 Alabama Street, San Francisco, CA 94110
46.2 miles
Larson Shores Architects is a San Francisco-based firm offering residential, ADU, and commercial design services. Founded in 2007 by Josh Larson, they specialize in new builds, garage conversions, in-law suites, and full permit navigation across the Bay Area.
read more
Jeff Martinez Construction
11 Susie Ct, Oakley, CA 94561
48.7 miles
Jeff Martinez Construction Inc. builds ADUs in Oakley, CA with 27+ years of experience. Services include detached ADUs, garage conversions, permits, finishing, and landscape integration across Contra Costa County.
read more
Tucan Builder
50 Woodside Plaza, Suite 814, Redwood City, CA 94601
23.6 miles
Tucan Builder is a family-owned general contractor in Redwood City, CA, serving San Mateo County. Specializing in ADU construction, room additions, kitchen remodeling, and home renovations, they bring 30+ years of combined experience.
read more
ResCom ADU, LLC
675 Ygnacio Valley Rd B213, Walnut Creek, CA CA 94596
43.4 miles
ResCom ADU is a full-service ADU builder in Walnut Creek, CA, offering design, permits, engineering, construction & hookups. With 100+ years of combined experience, they deliver custom, cost-effective accessory dwelling units using SIPs & Net-Zero technology.
read more
Wellmade
2371 Verna Court, San Leandro, CA 94577
33.2 miles
Wellmade is a California prefab ADU builder specializing in panelized accessory dwelling units. Founded in 2020, they've completed 200+ projects, reducing construction waste by 85%. Serving CA, OR, and WA with all-inclusive pricing.
read more
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.
read more
We Do Construction
1528 Union Street, San Francisco, CA 94123
45.2 miles
We Do Construction specializes in ADU garage conversions across the San Francisco Bay Area. Licensed and insured, they handle permitting, 3D planning, construction, and interior design, offering free estimates for homeowners.
read more
Vitalize Build
3120 Scott Blvd, Suite 130, Santa Clara, CA 95054
8.2 miles
Vitalize Build is a Bay Area ADU contractor offering design and construction services for detached ADUs, garage conversions, and in-law suites. They provide preapproved, predesigned, and custom layouts ranging from 238 to 1,200 sq ft.
read more
ADU For You
1755 East Bayshore Road, Redwood City, CA 94063
23.7 miles
ADU For You is a Bay Area ADU builder based in Redwood City, offering end-to-end services including design, permits, and construction. Serving 1,000+ clients, they specialize in custom detached ADUs, granny flats, and in-law suites at competitive prices.
read more
AK Builders Inc
385 Woodview Avenue, Portland, OR 95037
14.7 miles
AK Builders Inc is a White Salmon, WA contractor serving the Columbia River Gorge. They offer new home builds, remodels, ADU projects, and custom woodworking across Oregon and Washington.
read more
HBC Construction
41060 High Street, Fremont, CA 94538
17.3 miles
HBC Construction, based in Fremont, CA, specializes in ADU building, garage conversions, new homes & additions across the Bay Area. Licensed, code-compliant, full-service from planning to completion.
read more
CityPaks
San Francisco, CA 95130
45.5 miles
CityPaks is a minority & woman-owned ADU builder in the San Francisco Bay Area specializing in affordable, sustainable backyard cottages & detached ADUs using SIP panels. No crane needed, no sales tax, pre-approved in San Jose.
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 to construction.
read more
ASL Remodeling
690 Saratoga Avenue, San Jose, CA 95129
7 miles
ASL Remodeling is a California licensed ADU contractor (CSLB #1060310) with 20+ years experience and 300+ completed projects. Services include detached ADUs, garage conversions, granny flats, JADUs, and in-law suites with full design-build support.
read more
Mendez and Son's Construction Inc
39647 Iolani Ct., Fremont, CA 94538
17.6 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.
read more
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.