ADU Construction project by High Touch Consulting in the Bay Area

ADU Construction in San Jose — What We Do

California's ADU laws have transformed Bay Area properties into multi-unit assets. We design and build ADUs that comply with state ADU statutes and each city's local ordinances — from Palo Alto to San Jose to San Francisco — so the project moves fast and the finished unit holds long-term value.

San Jose homeowners have hired us for adu construction projects across the city. As a fully licensed California general contractor (CSLB #1008964) with 11 years of Bay Area experience, we know exactly what San Jose permitting, construction conditions, and homeowner expectations look like.

San Jose Permits & Process

San Jose has invested in dedicated ADU permit portals and streamlined ministerial review for compliant ADUs. For other remodels and additions, plan check timelines vary by district. We've worked across Willow Glen, Almaden, Rose Garden, and more.

Scope Included in Every San Jose ADU Construction Project

  • Detached ADUs (new construction, up to 1,200 sq ft)
  • Attached ADUs (additions to the primary dwelling)
  • Junior ADUs (JADUs) within the existing footprint
  • Garage conversion ADUs
  • Full architectural design and engineered structural plans
  • Title 24 energy compliance and CALGreen documentation
  • Independent utility metering when required
  • All trades: framing, electrical, plumbing, HVAC, roofing, finishes
  • Site work, foundation, and drainage
  • Permit submittals and full City inspection coordination

Why San Jose Homeowners Choose Us

  • Licensed CSLB #1008964, bonded and insured
  • Fixed-scope written proposals — no vague allowances
  • One dedicated project manager from contract to final inspection
  • Full permit handling with the City of San Jose
  • Weekly written progress updates
  • Daily cleanup and dust containment
  • Written workmanship warranty
FAQ

ADU Construction in San Jose — Common Questions

How long does a adu construction take in San Jose?

Detached ADUs typically run 6–10 months from permit submittal to certificate of occupancy. Garage conversions and JADUs are usually faster. In San Jose, expect typical Bay Area permit timelines plus any city-specific review.

Do you handle San Jose building permits?

San Jose has invested in dedicated ADU permit portals and streamlined ministerial review for compliant ADUs. For other remodels and additions, plan check timelines vary by district. We've worked across Willow Glen, Almaden, Rose Garden, and more.

Are you licensed to do adu construction in San Jose?

Yes — we're a fully licensed California general contractor (CSLB #1008964), bonded and insured, with 11 years of experience including projects throughout Santa Clara County.

What does an ADU cost in the Bay Area?

Detached ADUs commonly run $300,000–$550,000 depending on size, finishes, and site conditions. Garage conversions are typically $150,000–$250,000.

Ready to start your remodel?

Get a no-cost on-site consultation and a fixed-scope written proposal from a licensed Bay Area general contractor.