Chapter 4 — WILDLAND-URBAN INTERFACE AREA REQUIREMENTS
Section 403 — ACCESS
2025 California Wildland-Urban Interface Code (Title 24, Part 7.5) · 2025 edition · ingested 2026-07-06 · California
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USER NOTE: The standards in Section 403 applicable to roads shall not apply to roads used solely for agriculture; mining; or the management of timberland or harvesting of forest products. [CCR, Title 14 §1270.03(d)]
403.1 General. ¶
403.1 General. Roads and driveways, whether public or private, unless exempted under 14 CCR § 1270.03(d), shall provide for safe access for emergency wildfire equipment and civilian evacuation concurrently, and shall provide unobstructed traffic circulation during a wildfire emergency consistent 403.1.1 to 403.1.9. [CCR, Title 14 §1273.00] 403.1.1 Section 403 definitions. When used in Section 403, the term listed below shall be defined as follows: DEFENSIBLE SPACE. The area within the perimeter of a parcel, development, neighborhood or community where basic wildland fire protection practices…
403.2 Signing and building numbering. ¶
403.2 Signing and building numbering. 403.2.1 Intent. To facilitate locating a fire and to avoid delays in response, all newly constructed or approved Roads and Buildings shall be designated by names or numbers posted on signs clearly visible and legible from the Road. This section shall not restrict the size of letters or numbers appearing on road signs for other purposes. [CCR, Title 14 §1274.00] 403.2.2 Road signs. (a) Newly constructed or approved Roads must be identified by a name or number through a consistent system that provides for sequenced or patterned numbering and/or…