Purpose
In 2025, the San Luis Obispo County Board of Supervisors adopted a Weed Abatement Ordinance to help reduce wildfire risk and improve public safety throughout the unincorporated areas of the county served by County Fire. The ordinance establishes clear requirements for the removal of hazardous weeds, combustible vegetation, and other flammable materials that can contribute to the rapid spread of wildfire. By maintaining defensible space and reducing hazardous fuel conditions, property owners play a critical role in protecting their homes, neighbors, and communities.
Wildfire remains one of the most significant threats facing San Luis Obispo County. Dry vegetation, accumulated debris, and unmanaged properties can create dangerous fire conditions that threaten lives, property, and emergency responders. The ordinance provides County Fire with a consistent process to identify fire hazards, notify property owners, and ensure hazardous conditions are addressed before they contribute to a wildfire. This proactive approach supports community resilience, improves firefighter access and safety, and helps reduce the potential for devastating wildfire impacts across the county.
Hazard Abatement & Defensible Space Requirements
San Luis Obispo County Fire is committed to reducing wildfire risk and protecting our communities. Property owners within the County Fire Local Responsibility Area are required to maintain their property free of fire hazards, including hazardous vegetation and combustible materials.
What is “County LRA”?
LRA stands for Local Responsibility Area. There are LRA areas that fall under city jurisdiction, for example, San Luis Obispo, Paso Robles, or Atascadero, and there are LRA areas that fall under unincorporated county jurisdiction. For LRAs that fall under a Community Services District or City, those jurisdictions set guidelines for Hazard Abatement and Defensible Space; however, for county areas designated as LRA, the requirements below apply.
What is Required in the County LRA?
Property owners must maintain defensible space around all structures. This includes:
- Clearing or reducing combustible vegetation within 100 feet of structures (or to the property line)
- Removing dead vegetation, weeds, and flammable materials
- Keeping roofs and gutters free of debris
- Trimming tree branches away from chimneys and structures
- Maintaining properties to prevent fire spread and allow firefighter access
For larger parcels (one acre or more), a 30-foot-wide perimeter break must be maintained, with vegetation cut down to a maximum height of 4 inches.
Adjacent Property Owner Responsibilities
When a structure is located less than 100 feet from a property line and hazardous vegetation or prohibited materials on an adjacent parcel create a fire risk, the owner of the adjacent parcel is responsible for clearing vegetation on their property within 100 feet of the structure to provide adequate fire protection.
What is Considered a Violation?
Properties may be considered a fire hazard and in violation if they contain:
- Dry grass, weeds, or overgrown vegetation
- Accumulated green waste, rubbish, or combustible debris
- Vegetation that could rapidly spread fire
- Conditions that hinder firefighting operations
Notice and Compliance
If a hazardous condition is identified, the County will issue a Notice to Abate. Property owners will typically have:
- 15 days to correct the violation, or
- The option to request a hearing to appeal the determination
If the hazard is not corrected, the County may proceed with abatement.
Failure to Comply
Failure to comply with a Notice to Abate may result in:
A fine of $428
- All abatement costs being charged to the property owner
- Additional administrative costs
- Placement of costs as a lien or special assessment on the property
Why This Matters
Uncontrolled vegetation and combustible materials create dangerous fire conditions that threaten:
- Lives and property
- Neighboring homes
- First responders
Maintaining defensible space is one of the most effective ways to protect your home and community from wildfire.
Need Help or Have Questions?
If you have questions about compliance or need guidance on how to create defensible space, please contact San Luis Obispo County Fire at 805-503-5715 or email SLU.Prevention@fire.ca.gov
AB 38 Defensible Space Inspection & Hazard Disclosure
On and after July 1, 2021, when you sell property that is located in a high or very high fire hazard severity zone, you’ll need documentation of a compliant Defensible Space Inspection that complies with Section 4291 of the Public Resources Code or local vegetation management ordinances.
Determine If You Need a Defensible Space Inspection
To find out if your property requires a defensible space inspection, use the Fire Hazard Severity Zone Viewer. Click the search icon in the top left corner of the map and enter your property address.
- If your property is located within the State Responsibility Area (SRA), a defensible space inspection is required.
- If your property is located within the Local Responsibility Area (LRA), an inspection is required only if it falls within a High or Very High Fire Hazard Severity Zone.
If your property does not fall into one of these categories, a defensible space inspection is typically not required.
To request an inspection in the LRA, click here. Please note the County of San Luis Obispo charges an inspection fee of $178.
To request an inspection in the SRA, click here.