Fullerton, CA Landscaping Rules: Weed Ordinances (2026)

Fullerton's weed abatement program operates under the Municipal Code's property maintenance and nuisance provisions (Chapter 15.48) and coordinates with regional fire prevention efforts. All property owners — including owners of vacant lots, undeveloped parcels, and improved properties — must maintain their properties free of weeds, dry grass, dead vegetation, and combustible debris that could create fire hazards or harbor vermin. The city's Code Enforcement Division identifies properties with weed overgrowth through complaint response and proactive patrol. For properties in high fire hazard areas, particularly along the northern hillside portions of the city, Fullerton coordinates with the Orange County Fire Authority (OCFA) annual weed abatement inspection program. Properties identified as fire hazards receive official notices requiring clearance to bare mineral soil or maintained vegetation of 3 inches or less in height. Compliance deadlines are typically set before the onset of fire season in June. Vacant lots receive particular attention and must be cleared of all weeds, brush, and accumulated debris. Property owners who fail to comply by the deadline may have the city or its contractor abate the weeds, with all costs — including administrative overhead — assessed against the property as a special assessment lien. Regular residential lots must maintain weed-free landscaping and keep parkway strips controlled.