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San Diego County, CA Landscaping Rules: Weed Ordinances (2026)

Some Restrictions

Verified 1 month ago|Source: County Fire & Defensible Space →

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Key Facts

Height Limit: 6 inches in defensible space zones
Frequency: Multiple times per year as needed
Methods: Mowing, cutting, grazing (preserve roots)
Annual Notice: County issues weed abatement notices
Enforcement

City-specific rules exist: San Marcos, Encinitas, Escondido, Vista, Chula Vista, Oceanside, San Diego, Carlsbad, and El Cajon have their own weed ordinances rules that differ from San Diego County's county-level regulations. If you live in one of those cities, check the city-specific page instead.

Summary

San Diego County requires property owners in unincorporated areas to maintain vegetation and prevent weed growth that creates fire hazards or nuisances. The County issues annual weed abatement notices. Vegetation must be cut to no more than 6 inches above ground in defensible space zones.

Full Breakdown

The County requires property owners to keep their land free of fire hazards including certain vegetation types, green waste, and rubbish. In defensible space zones, plants must be thinned and cut back to no more than 6 inches above the ground. This may need to be done several times per year as vegetation regrows. Combustible vegetation can be removed by mowing, cutting, and grazing as long as root structures are left intact. The County issues annual weed abatement notices reminding property owners of clearance requirements. Properties that create fire hazards or harbor vermin may also be cited under general nuisance provisions. Code Compliance and the County Fire Authority inspect properties for compliance.

Violations & Fines

Failure to abate weeds may result in citations, fines, and forced abatement at the property owner's expense with costs added to the property tax bill.

Frequently Asked Questions

Do I have to cut weeds on my property in San Diego County?

Yes. The County requires property owners to maintain vegetation and prevent weed growth that creates fire hazards. In defensible space zones, vegetation must be cut to no more than 6 inches above ground.

How often do I need to clear weeds?

As often as needed to maintain compliance. Vegetation regrows, so cutting may be required multiple times per year. The County sends annual weed abatement notices as reminders.

What if I don't clear my weeds?

The County may perform forced abatement and add the cost to your property tax bill. You may also receive citations and fines from Code Compliance or the County Fire Authority.

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San Diego County, CA Landscaping Rules: Weed Ordinances (2026)

Key Facts

Summary

California Food and Agricultural Code § 5004 (definition of "noxious weed" for plant quarantine and pest control)

Full Breakdown

Violations & Fines

Frequently Asked Questions

Sources & Official References

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