ADU builders · San Jose, California
Vetted, public-records-checked ADU builders serving San Jose. We never publish builder photos or marketing copy without permission — listings sourced from public business directories are clearly marked.
Sourced from public business directories. If you own one of these businesses, claim your listing.
San Jose ADU contractor handling design, permits, and construction from start to finish.
Serves: San Jose
San Jose accessory dwelling unit builder with deep local knowledge of permitting and construction.
Serves: San Jose
Custom ADU builders in San Jose specializing in design and construction of accessory dwelling units.
Serves: San Jose
Permit info for San Jose
Real permit fees, timelines, and ADU-specific rules for San Jose.
View San Jose permit guide →Tell us about your project — budget, timeline, ADU type — and we'll route you to up to three verified builders in your area.