Fuel modification · California

Los Angeles County Fuel Modification

What to know, and what to confirm with Los Angeles County Fire Department, before you plan.

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California home with fire-smart landscaping, Los Angeles County

In areas served by LA County Fire, a Fuel Modification Plan is required for new construction and certain remodels, outbuildings and parcel splits in Fire Hazard Severity Zones, and plans have been required since 1996. Plans are processed by the Forestry Division’s Fuel Modification Unit.

LA County zone names and distances

ZoneExtent
Zone AStructure to 30 ft
Zone BEdge of Zone A to 100 ft from the structure
Zone CEdge of Zone B up to 200 ft, based on site conditions

Zones apply only within your property lines. The plan is a landscape plan showing all proposed and existing-to-remain vegetation, and plan check fees apply. Cut annual grasses to 3 inches in LA County’s guidance.

Contact

LA County Fire Department, Fuel Modification Unit, 605 N. Angeleno Avenue, Azusa, CA 91702 · (626) 969-5205 · ForestryFuelModification@fire.lacounty.gov. Start at fire.lacounty.gov and use the department’s Plant Selection Guidelines. Details change; confirm with the Unit.

Your checklist

Next: plants to avoid · spacing rules · validate your water design.

Fire-safe still needs a water budget. Validate your hydrozones, WUCOLS plant ratings and MAWA water budget, and get permit-ready compliance documents, at MWELO.com. For fuel-mod plant choices, see the MWELO fuel mod guide.