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San Jose ADU guides
Answers for San Jose homeowners, checked against city and state sources as of November 2026.
Guides
How do preapproved ADUs work in San Jose?
Eligibility, same-day permits and what you still submit.
Read the guideCan I sell my ADU separately in San Jose?
AB 1033, San Jose's ordinance and the first ADU condo.
Read the guideWhat are the ADU rules in San Jose?
State ADU law plus San Jose's program.
Read the guideHow much does an ADU cost in San Jose?
Published Bay Area ranges and San Jose cost drivers.
Read the guideHow long does it take to build an ADU in San Jose?
Same-day permits, standard review and construction.
Read the guideIs your lot ready for an ADU?
Send your address and a sentence about what you want. We look up the zoning, setbacks and utility routes and reply with the ADU types that fit.
We build in San Jose, CA.