Lake Forest, CA Fire Regulations: Brush Clearance (2026)
Key Facts
- Clearance zone
- 10 feet each side of roadway
- Applies to
- Highways and private streets
- Exempt
- Single trees, ornamental groundcover
- Waivable for
- Terrain, erosion, protected species
Summary
Lake Forest's Fire Code Official can require flammable vegetation cleared for 10 feet on each side of streets and highways used for vehicle traffic, measured from the roadway's improved edge.
325.1 Clearance of Brush or Vegetation Growth From Roadways. The Fire Code Official is authorized to cause areas within 10 feet (3,048 mm) on each side of portions of highways and private streets which are improved, designed or ordinarily used for vehicular traffic, to be cleared of flammable vegetation and other combustible growth. Measurement shall be from the flow-line or the end of the improved edge of the roadway surfaces. Exception: Single specimens of trees, ornamental shrubbery or cultivated ground cover such as green grass, ivy, succulents or similar plants used as ground covers, provided that they do not form a means of readily transmitting fire.
11.
Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: rev 4722652; v7 updated 2026-02-17).
Full Breakdown
Fire Code § 325.1 authorizes the Fire Code Official to order areas within 10 feet on each side of portions of highways and private streets that are improved, designed, or ordinarily used for vehicular traffic to be cleared of flammable vegetation and other combustible growth, measured from the flow-line or the improved edge of the roadway. Single specimen trees, ornamental shrubbery, and cultivated ground cover like grass, ivy, or succulents are exempt as long as they don't form a means of readily transmitting fire. A related section, § 326.1, lets the Fire Code Official suspend the requirement for difficult terrain, erosion risk, protected species, or heritage tree stands.
Violations & Fines
Failing to clear flammable vegetation as ordered is enforceable as a Fire Code infraction or misdemeanor under § 113.4.2, with penalties set by the OCFA fee schedule and each day of noncompliance a separate offense.
Frequently Asked Questions
Can Lake Forest make me clear brush along a roadway on my property?
Do ornamental plants have to be removed under this rule?
Sources & Official References
Other rules in Lake Forest
California rules heatmap·Compare Lake Forest to another location·View the California fire regulations overview
See something wrong?
Help us keep this page accurate. If you notice an error or outdated information, let us know.
Brush Clearance in Nearby Cities
How other cities in Orange County handle brush clearance.