Bay Point, CA— fire, flood & earthquake hazard information
Bay Point is a unincorporated community in Contra Costa County in the San Francisco Bay Area, covering about 6.4 square miles. This page summarizes what official government maps show for Bay Point: 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 Bay Point’s area that falls inside each mapped zone.
View Bay Point on the interactive map → to check any specific address, free.
Wildfire hazard severity zones
Per CAL FIRE's Fire Hazard Severity Zone maps, 9% is in a High zone, 18% is in a Moderate zone. The remainder of its area is outside currently designated zones.
| High severity zone | 9% |
| Moderate severity zone | 18% |
FEMA flood zones
35% of Bay Point lies within a FEMA Special Flood Hazard Area (1% annual chance, zones A/AE/AH/AO); less than 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) | 35% |
| 0.2% annual chance (500-yr) | less than 1% |
Earthquake faults & seismic zones
The nearest mapped fault, the Unnamed fault in California, is about 2.1 mi (3.4 km) from the center of Bay Point. 1 named fault trace in the USGS Quaternary fault database cross its boundary. 42% of its area is in a state-designated liquefaction zone of required investigation. 4% is in an earthquake-induced landslide zone.
| Nearest mapped fault | Unnamed fault in California — 2.1 mi (3.4 km) |
| Named fault traces crossing boundary | 1 |
| Liquefaction zone | 42% |
| Earthquake-induced landslide zone | 4% |
Dam inundation, aircraft noise & air quality
1% of Bay Point lies within a state-reviewed dam-failure inundation area; annual average fine-particle (PM2.5) concentration across its census tracts is 8.7 μg/m³, and its composite pollution burden ranks around the 62th percentile statewide.
| Dam-failure inundation area | 1% |
| Annual PM2.5 (tract average) | 8.7 μg/m³ |
| Pollution burden percentile (statewide) | ~62 |
Frequently asked questions
- Is Bay Point in a wildfire hazard severity zone?
- Per CAL FIRE's Fire Hazard Severity Zone maps, 9% is in a High zone, 18% is in a Moderate zone. The remainder of its area is outside currently designated zones.
- Is Bay Point in a FEMA flood zone?
- 35% of Bay Point lies within a FEMA Special Flood Hazard Area (1% annual chance, zones A/AE/AH/AO); less than 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 Bay Point?
- The nearest mapped fault, the Unnamed fault in California, is about 2.1 mi (3.4 km) from the center of Bay Point. 1 named fault trace in the USGS Quaternary fault database cross its boundary. 42% of its area is in a state-designated liquefaction zone of required investigation. 4% is in an earthquake-induced landslide zone.
- How do I check a specific address in Bay Point?
- Use the free sitelume interactive map at https://sitelume.com — search any Bay Point address to see which mapped zones it falls in, layer by layer.
Nearby in Contra Costa 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.