Silverado Resort, CA— fire, flood & earthquake hazard information
Silverado Resort is a unincorporated community in Napa County in the San Francisco Bay Area, covering about 1.9 square miles. This page summarizes what official government maps show for Silverado Resort: CAL FIRE fire hazard severity zones, FEMA flood zones, state seismic hazard zones, dam inundation areas, airport noise contours, and air-quality indicators. Figures are the share of Silverado Resort’s area that falls inside each mapped zone.
View Silverado Resort on the interactive map → to check any specific address, free.
Wildfire hazard severity zones
Per CAL FIRE's Fire Hazard Severity Zone maps, 71% of Silverado Resort is in a Very High fire hazard severity zone. The remainder of its area is outside currently designated zones.
| Very High severity zone | 71% |
FEMA flood zones
6% of Silverado Resort lies within a FEMA Special Flood Hazard Area (1% annual chance, zones A/AE/AH/AO); 1% is in the 0.2% annual chance (500-year) area. Federally backed mortgages in a Special Flood Hazard Area generally require flood insurance.
| Special Flood Hazard Area (100-yr) | 6% |
| 0.2% annual chance (500-yr) | 1% |
Earthquake faults & seismic zones
The nearest mapped fault, the Soda Creek fault, is about 1.2 mi (1.9 km) from the center of Silverado Resort.
| Nearest mapped fault | Soda Creek fault — 1.2 mi (1.9 km) |
Dam inundation, aircraft noise & air quality
21% of Silverado Resort lies within a state-reviewed dam-failure inundation area; annual average fine-particle (PM2.5) concentration across its census tracts is 8.4 μg/m³, and its composite pollution burden ranks around the 15th percentile statewide.
| Dam-failure inundation area | 21% |
| Annual PM2.5 (tract average) | 8.4 μg/m³ |
| Pollution burden percentile (statewide) | ~15 |
Frequently asked questions
- Is Silverado Resort in a wildfire hazard severity zone?
- Per CAL FIRE's Fire Hazard Severity Zone maps, 71% of Silverado Resort is in a Very High fire hazard severity zone. The remainder of its area is outside currently designated zones.
- Is Silverado Resort in a FEMA flood zone?
- 6% of Silverado Resort lies within a FEMA Special Flood Hazard Area (1% annual chance, zones A/AE/AH/AO); 1% is in the 0.2% annual chance (500-year) area. Federally backed mortgages in a Special Flood Hazard Area generally require flood insurance.
- What earthquake faults and seismic zones affect Silverado Resort?
- The nearest mapped fault, the Soda Creek fault, is about 1.2 mi (1.9 km) from the center of Silverado Resort.
- How do I check a specific address in Silverado Resort?
- Use the free sitelume interactive map at https://sitelume.com — search any Silverado Resort address to see which mapped zones it falls in, layer by layer.
Nearby in Napa County
Sources: CAL FIRE Fire Hazard Severity Zones; FEMA National Flood Hazard Layer; USGS Quaternary Faults; CGS Seismic Hazard Zones & Alquist-Priolo zones; Cal OES dam inundation maps; county ALUC noise contours; CalEnviroScreen 4.0. Area shares are computed against each place’s Census TIGER boundary (last computed 2026-07-24). Boundaries and zone designations change; always verify with the issuing agency.