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Fullerton building permit report

3,534 building permits were issued in Fullerton, California over the last 12 months — including 337 reroofs, 175 remodels and additions, and 196 ADUs. Sourced from Fullerton's official permit portal.

Last updated September 16, 2026.

3,534permits, last 12 months
337reroofs
196ADUs
182Sep 2026 so far

Month by month

Month All permits ReroofsRemodels & additionsADUsPools & spas
Sep 2026 182 26 12 10 4
Aug 2026 381 42 24 20 0
Jul 2026 431 60 27 21 0
Jun 2026 428 36 22 24 12
May 2026 385 41 17 23 1
Apr 2026 452 34 21 25 6
Mar 2026 499 44 23 28 10
Feb 2026 370 24 20 25 6
Jan 2026 406 30 9 20 6
Dec 2025 0 0 0 0 0
Nov 2025 0 0 0 0 0
Oct 2025 0 0 0 0 0

By work type

Work typePermits (12 mo)
Reroofs337
Remodels & additions175
ADUs196
Pools & spas45
Water heaters131
Repipes83
New construction8

Common questions about Fullerton permits

How many homes in Fullerton replaced their roof this year?

337 reroof permits were issued in Fullerton 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 Fullerton?

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

Are these numbers official?

They're compiled directly from Fullerton'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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