Fulton, CA— fire, flood & earthquake hazard information
Fulton is a unincorporated community in Sonoma County in the San Francisco Bay Area, covering about 1.9 square miles. This page summarizes what official government maps show for Fulton: 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 Fulton’s area that falls inside each mapped zone.
View Fulton on the interactive map → to check any specific address, free.
Wildfire hazard severity zones
CAL FIRE's current Fire Hazard Severity Zone maps do not designate any zones within Fulton. Individual properties near the boundary can still fall inside a neighboring zone — check the exact address on the map.
FEMA flood zones
6% of Fulton lies within a FEMA Special Flood Hazard Area (1% annual chance, zones A/AE/AH/AO); 4% 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) | 4% |
Earthquake faults & seismic zones
The nearest mapped fault, the Rodgers Creek fault, is about 1.6 mi (2.6 km) from the center of Fulton. 43% of its area is in a state-designated liquefaction zone of required investigation.
| Nearest mapped fault | Rodgers Creek fault — 1.6 mi (2.6 km) |
| Liquefaction zone | 43% |
Dam inundation, aircraft noise & air quality
annual average fine-particle (PM2.5) concentration across its census tracts is 7.0 μg/m³, and its composite pollution burden ranks around the 44th percentile statewide.
| Annual PM2.5 (tract average) | 7.0 μg/m³ |
| Pollution burden percentile (statewide) | ~44 |
Frequently asked questions
- Is Fulton in a wildfire hazard severity zone?
- CAL FIRE's current Fire Hazard Severity Zone maps do not designate any zones within Fulton. Individual properties near the boundary can still fall inside a neighboring zone — check the exact address on the map.
- Is Fulton in a FEMA flood zone?
- 6% of Fulton lies within a FEMA Special Flood Hazard Area (1% annual chance, zones A/AE/AH/AO); 4% 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 Fulton?
- The nearest mapped fault, the Rodgers Creek fault, is about 1.6 mi (2.6 km) from the center of Fulton. 43% of its area is in a state-designated liquefaction zone of required investigation.
- How do I check a specific address in Fulton?
- Use the free sitelume interactive map at https://sitelume.com — search any Fulton address to see which mapped zones it falls in, layer by layer.
Nearby in Sonoma 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.