Napa County Fire Department
Local Responsibility Area
Fire Hazard Severity Zones
Local Ordinance & Map Adoption
Town of Yountville
June 3rd, 2025
Fire Hazard Severity Zones - Facts
What are the Zones?
The maps are required by
Government Code 51178 & 51179
Identify levels of fire hazard
• 3 levels (Moderate, High, & Very High)
§ The maps are required by Government Code 51178 &
51179
§ Identify levels of fire hazard (Not Risk)
§ 3 levels (Moderate, High, & Very High)
§ CAL FIRE used the best available science
and data to develop, and field test a model
that served as the basis of zone
assignments. The model evaluated the
probability of the area burning and potential
fire behavior in the area.
§ Factors: fire history, vegetation, flame
length, blowing embers, proximity to
wildland, terrain, and weather
Napa County / Town of Yountville LRA Maps
How will these maps be used by Napa County?
§ Building standards for new construction
in the Wildland-Urban Interface
(California Building Code Chapter 7A)
§ Property development standards such
as road widths, water supply and
signage (Fire Safe Regulations)
§ Defensible Space Requirements
(Government Code 51182)
§ Natural hazard real estate disclosure
(AB 38 Inspections)
What's Impacted…..
How will this impact Yountville…..
• Portions of northern Yountville have been
designated as Moderate and High Fire Hazard
Severity Zones
• The Veterans Home is now classified within a
Very High Fire Hazard Severity Zone
(VHFHSZ).
• The Office of the State Fire Marshal (OSFM) is
responsible for defensible space inspections
and enforcement at the Veterans Home.
• CAL FIRE, Napa County Fire, NCFMO, and
Firewise have completed fuel reduction
projects on and west of the Veterans Home.
• Additional fuel reduction projects are planned
in the western hills to help protect the Veterans
Home and the Town of Yountville.
Fuel Reduction Projects…..