Contra Costa Centre, CA— fire, flood & earthquake hazard information
Contra Costa Centre is a unincorporated community in Contra Costa County in the San Francisco Bay Area, covering about 0.6 square miles. This page summarizes what official government maps show for Contra Costa Centre: 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 Contra Costa Centre’s area that falls inside each mapped zone.
View Contra Costa Centre 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 Contra Costa Centre. Individual properties near the boundary can still fall inside a neighboring zone — check the exact address on the map.
FEMA flood zones
2% of Contra Costa Centre 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) | 2% |
| 0.2% annual chance (500-yr) | less than 1% |
Earthquake faults & seismic zones
The nearest mapped fault, the Franklin fault, is about 1.7 mi (2.7 km) from the center of Contra Costa Centre. 89% of its area is in a state-designated liquefaction zone of required investigation. less than 1% is in an earthquake-induced landslide zone.
| Nearest mapped fault | Franklin fault — 1.7 mi (2.7 km) |
| Liquefaction zone | 89% |
| Earthquake-induced landslide zone | less than 1% |
Dam inundation, aircraft noise & air quality
67% of Contra Costa Centre lies within a state-reviewed dam-failure inundation area; annual average fine-particle (PM2.5) concentration across its census tracts is 8.9 μg/m³, and its composite pollution burden ranks around the 41th percentile statewide.
| Dam-failure inundation area | 67% |
| Annual PM2.5 (tract average) | 8.9 μg/m³ |
| Pollution burden percentile (statewide) | ~41 |
Frequently asked questions
- Is Contra Costa Centre in a wildfire hazard severity zone?
- CAL FIRE's current Fire Hazard Severity Zone maps do not designate any zones within Contra Costa Centre. Individual properties near the boundary can still fall inside a neighboring zone — check the exact address on the map.
- Is Contra Costa Centre in a FEMA flood zone?
- 2% of Contra Costa Centre 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 Contra Costa Centre?
- The nearest mapped fault, the Franklin fault, is about 1.7 mi (2.7 km) from the center of Contra Costa Centre. 89% of its area is in a state-designated liquefaction zone of required investigation. less than 1% is in an earthquake-induced landslide zone.
- How do I check a specific address in Contra Costa Centre?
- Use the free sitelume interactive map at https://sitelume.com — search any Contra Costa Centre 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.