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San Jose building permit report

22,168 building permits were issued in San Jose, California over the last 12 months — including 2,525 reroofs, 1,890 remodels and additions, and 654 ADUs. Sourced from San Jose's official permit portal.

Last updated November 02, 2026.

22,168permits, last 12 months
2,525reroofs
654ADUs
0Nov 2026 so far

Month by month

Month All permits ReroofsRemodels & additionsADUsPools & spas
Nov 2026 0 0 0 0 0
Oct 2026 2,368 330 188 46 21
Sep 2026 2,404 360 168 53 35
Aug 2026 2,643 383 217 63 29
Jul 2026 4,784 538 369 98 34
Jun 2026 3,965 494 351 115 42
May 2026 1,534 125 152 40 12
Apr 2026 1,331 97 147 57 10
Mar 2026 1,113 93 107 52 6
Feb 2026 757 36 87 44 5
Jan 2026 692 52 59 56 4
Dec 2025 577 17 45 30 8

By work type

Work typePermits (12 mo)
Reroofs2,525
Remodels & additions1,890
ADUs654
Pools & spas206
Water heaters2,570
Repipes68
New construction178

Common questions about San Jose permits

How many homes in San Jose replaced their roof this year?

2,525 reroof permits were issued in San Jose in the last 12 months. Each one is a home whose roof — a major factor in what a homeowners policy costs and whether a carrier will write it at all — was replaced on a specific, documented date.

How many ADUs were permitted in San Jose?

654 accessory dwelling unit permits were issued over the last 12 months.

Are these numbers official?

They're compiled directly from San Jose's own permit system — the same public records the city publishes — normalized and categorized by work type, refreshed nightly.

Other California cities

Work these permits. OneForm turns any of these lists into print-ready postcards with per-address QR tracking, under your own name and license number — so you know which addresses responded.

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