Adopted edition
CRC 2025 (California Residential Code, 2026 cycle)
Effective
State · CA
California building codes at a glance.
California operates the most layered code stack of any state — CBC 2022, CalGreen, Title 24, plus WUI overlays in fire-prone counties. Coverage in progress.
CA California
IECC zones 3B, 3C, 4B, 4C, 5B · ASCE 7 design wind 85–110 mph
Adoption model
Municipal adoption
Permits issued: Local
Coverage status
In progress
Parcel + edition library indexing in progress; per-jurisdiction lookups available.
Climate zones (IECC)
3B · 3C · 4B · 4C · 5B
Drives R-value, fenestration U-factor, and air-leakage envelope rules.
Design wind speed
85–110 mph
ASCE 7 Risk Category II, 3-second gust at 33 ft. Fastener spec follows.
Special zones
- HVHZ (not applicable)
- WUI (applicable)
- FEMA SFHA overlays (present)
Compliance track
What's required to build here.
CalGreen + Title 24 + CBC 2022 (IBC 2021 base) statewide; WUI overlays widespread.
County directory
All 58 counties in California.
Each county page shows the adopted edition, county-level amendments, and permit-office contact.
- Alameda
- Alpine
- Amador
- Butte
- Calaveras
- Colusa
- Contra Costa
- Del Norte
- El Dorado
- Fresno
- Glenn
- Humboldt
- Imperial
- Inyo
- Kern
- Kings
- Lake
- Lassen
- Los Angeles
- Madera
- Marin
- Mariposa
- Mendocino
- Merced
- Modoc
- Mono
- Monterey
- Napa
- Nevada
- Orange
- Placer
- Plumas
- Riverside
- Sacramento
- San Benito
- San Bernardino
- San Diego
- San Francisco
- San Joaquin
- San Luis Obispo
- San Mateo
- Santa Barbara
- Santa Clara
- Santa Cruz
- Shasta
- Sierra
- Siskiyou
- Solano
- Sonoma
- Stanislaus
- Sutter
- Tehama
- Trinity
- Tulare
- Tuolumne
- Ventura
- Yolo
- Yuba
City directory
23 cities indexed in California.
City pages list local amendments, the parent county, and the local permit office.
Working in California?
Pull an address-level code packet for any property. SkyCanvass resolves the parcel, looks up the jurisdiction's adopted edition + amendments, and emits a cited packet ready for permit submittal.
For state-vs-state comparisons see the state comparison view, or browse the state directory.
Pull a CA code packet.
Free to start — property lookups, state code access, the hail map, and your first storm report on us. No credit card required to look up an address.