Brush Clearance: San Diego vs San Marcos
How do brush clearance rules compare between San Diego, CA and San Marcos, CA?
San Diego and San Marcos have similar restriction levels.
San Diego, CA
San Diego County
San Diego requires 100 feet of defensible space around all structures in Very High Fire Severity Zones under SDMC 142.0412. Three fuel modification zones apply. Properties must be cleared by June 1 annually. New AB 3074 Zone 0 requirements (0-5 ft ember-resistant zone) effective 2027.
View full San Diego rules →San Marcos, CA
San Diego County
San Marcos enforces a mandatory vegetation management program due to significant wildfire risk. Property owners must maintain defensible space by clearing brush and dead vegetation around structures. The San Marcos Fire Department conducts annual inspections and enforces compliance through its fire prevention division.
View full San Marcos rules →Key Facts Comparison
| Fact | San Diego | San Marcos |
|---|---|---|
| Clearance Zone | 100 feet from structures | - |
| Zone 0 (AB 3074) | 0-5 ft ember-resistant | - |
| Annual Deadline | June 1 | - |
| Grass Height | Cut to ~2 inches | - |
| Code Section | SDMC 142.0412 | - |
| Defensible Space | - | 100 ft (state law) |
| Annual Inspections | - | Yes – Fire Prevention |
| State Law | - | PRC Section 4291 |
| Fire Prevention | - | (760) 744-1050 x3411 |
| Coordination | - | CAL FIRE partnership |
Highlighted rows indicate differences between cities.
San Diego FAQ
How far do I need to clear brush around my home in San Diego?
100 feet of defensible space in three zones under SDMC 142.0412, if your property is in a Very High Fire Severity Zone. All dead vegetation must be removed.
What is Zone 0 under AB 3074?
A new 0-5 foot ember-resistant zone immediately around structures. New construction must comply as of February 2026; existing homes by February 2027.
San Marcos FAQ
How much brush clearance is required in San Marcos CA?
California law requires 100 feet of defensible space around structures in State Responsibility Areas. San Marcos Fire Prevention conducts annual inspections to ensure compliance with vegetation management requirements.
When does San Marcos inspect for brush clearance?
The San Marcos Fire Department conducts annual inspections of properties in high-risk wildfire zones. Property owners receive notices if their vegetation management does not meet standards.
What happens if I don't clear brush around my San Marcos home?
Non-compliance may result in citations, fines, and the city may perform abatement and bill the property owner. Contact Fire Prevention at (760) 744-1050 x3411 for vegetation management guidelines.
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