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Perris, CA Environmental Rules: Defensible Space (2026)

Some Restrictions
Compiled from the official code textEditor Martyn O'NeillLast verified September 2026

Key Facts

Core duty
Cut and remove ignitable weeds/grass/vines
Who's responsible
Property owner or occupant
WUI areas
Stricter clearance under state WUI Code
Roadway clearance
10 ft each side, Sec. 325
New construction
Must follow vegetation guidelines, Sec. 324
Exemption path
Fire official may waive for terrain/rare species
Penalty
Infraction or misdemeanor, Sec. 113.4

Summary

Perris's local amendments to the 2025 California Fire Code require every property owner or occupant to cut down and remove weeds, grass, vines or other growth capable of igniting and endangering property, under Perris Municipal Code Section 16.08.059 (Fire Code Section 304.1.3), with stricter clearance in wildland-urban interface areas set by the state WUI Code and the city's own vegetation management guidelines.

304.1.3 Vegetation. Weeds, grass, vines or other growth that is capable of being ignited and endangering property, shall be cut down and removed by the owner or occupant of the premises. Vegetation clearance requirement in urban-wildland interface areas shall be in accordance with the California Wildland-Urban Interface Code and City of Perris vegetation management guidelines.

View official code

Official source re-checked September 7, 2026: no newer edition of the code had been published (publisher’s edition: Code of Ordinances: Supplement 13).

Full Breakdown

3, Vegetation, is one of them: weeds, grass, vines or other growth capable of being ignited and endangering property must be cut down and removed by the owner or occupant of the premises. 057D, and under the city's own vegetation management guidelines. The same amendment package adds Fire Code Section 324, requiring any new building in or next to land with hazardous combustible vegetation to comply with those vegetation management guidelines at the time plans are submitted, and Section 325 lets the fire code official clear flammable vegetation within ten feet of either side of a roadway, measured from the paved edge, with an exception for single ornamental trees, shrubs or ground cover that will not readily carry fire.

Section 326 lets the fire code official suspend the clearance requirements or substitute reasonable alternatives where difficult terrain, erosion risk, protected or rare plant species, heritage tree stands, or other unusual circumstances make strict clearance impractical. Chapter 2's added definitions matter here too: a 'hazardous fire area' is any area identified in the state WUI Code or any other area the fire code official determines is fire-hazardous because of nearby combustible vegetation.

Violations & Fines

Fire Code Section 113.4, as amended by Section 16.08.059, makes violating any fire code provision, including the vegetation-clearance duty, punishable as a misdemeanor, an infraction, or both, with each day a violation continues after notice a separate offense; added Section 113.4.2 makes it specifically an infraction to let a fire or life-safety hazard exist on premises under one's control, while added Section 113.4.3 elevates the violation to a misdemeanor if the owner fails to take immediate action after the fire code official orders the hazard abated.

Frequently Asked Questions

Who has to clear flammable vegetation on a Perris property?
The owner or occupant of the premises. Perris Municipal Code Section 16.08.059, amending California Fire Code Section 304.1.3, requires that weeds, grass, vines or other growth capable of igniting and endangering property be cut down and removed, and the duty tightens further inside wildland-urban interface areas under the state WUI Code and the city's vegetation management guidelines.
Does Perris require extra brush clearance along roads?
Yes. Added Fire Code Section 325 authorizes the fire code official to require flammable vegetation cleared within 10 feet of either side of a highway or private street used for vehicle travel, measured from the paved edge or flow-line. Single ornamental trees, shrubs or ground cover that won't readily spread fire are exempt from that clearance.
Can a property owner get out of the vegetation-clearance requirement?
Only through the fire code official. Added Fire Code Section 326 lets the official suspend the clearance rules or approve reasonable alternative measures where difficult terrain, erosion danger, rare or protected plant species, heritage tree groves, or other unusual circumstances make strict clearance impractical or undesirable; there's no automatic exemption in the ordinance itself.

Sources & Official References

Other rules in Perris

All Perris rules

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