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Chapter 49 — REQUIREMENTS FOR WILDLAND-URBAN INTERFACE FIRE AREAS

Section 4903

California Fire Code (Title 24, Part 9) · 2022 edition · updated 2026-09-10 · California

CBSC: official editions, supplements and errata

Italicized text is a California amendment to the model code, as printed in the official publication.

4903.1 General. The fire code official is authorized to

require the owner or owner’s authorized agent to provide a fire protection plan. The fire protection plan shall be pre- pared to determine the acceptability of fire protection and life safety measures designed to mitigate wildfire hazards pre- sented for the property under consideration.

The fire protection plan shall be prepared by a registered design professional, qualified landscape architect, qualified fire safety specialist or similar specialist acceptable to the fire code official and shall analyze the wildfire risk of the building, project, premises or region to recommend neces- sary changes.

The fire code official is authorized to require a prelimi- nary fire protection plan prior to the submission of a final fire protection plan.

Exceptions & meaning →

4903.2 Contents. The fire protection plan shall be based on a

project-specific wildfire hazard assessment that includes con- siderations of location, topography, aspect, and climatic and fire history.

The plan shall identify conformance with all applicable state wildfire protection regulations, statutes and applicable local ordinances, whichever are more restrictive.

The plan shall address fire department access, egress, road and address signage, water supply in addition to fuel reduction in accordance with Public Resources Code (PRC) 4290; the defensible space requirements in accordance with PRC 4291 or Government Code 51182; and the applicable building codes and standards for wildfire safety. The plan shall identify mitigation measures to address the project’s specific wildfire risk and shall include the information required in Section 4903.2.1.

4903.2.1 Project information. The final fire protection plan shall be reviewed and approved prior to start of construction.

4903.2.1.1 Preliminary fire protection plan. When a preliminary fire protection plan is submitted, it shall include, at a minimum, the following:

1. Total size of the project.

2. Information on the adjoining properties on all sides, including current land uses, and if known, existing structures and densities, planned con- struction, natural vegetation, environmental res- toration plans, roads and parks.

3. A map with all project boundary lines, property lines, slope contour lines, proposed structure foundation footprints, and proposed roads and driveways. The map shall identify project fuel modification zones and method of identifying the fuel modification zone boundaries.

4903.2.1.2 Final fire protection plan. The final fire protection plan shall include items listed in Section 4903.2.1.1 and the following:

1. A map identifying all proposed plants in the fuel modification zones with a legend that includes a symbol for each proposed plant species. The plan shall include specific information on each species proposed, including but not limited to:

a. The plant life-form;

b. The scientific and common name; and

c. The expected height and width for mature

growth.

2. Identification of irrigated and non-irrigated zones.

3. Requirements for vegetation reduction around emergency access and evacuation routes.

4. Identification of points of access for equipment and personnel to maintain vegetation in common areas.

5. Legally binding statements regarding community responsibility for maintenance of fuel modifica- tion zones.

6. Legally binding statements to be included in cov- enants, conditions and restrictions regarding property owner responsibilities for vegetation maintenance.

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