City vs city
Concord vs Contra Costa Centre, CA
Concord and Contra Costa Centre are tied on overall score, with the biggest factor difference in flood.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Scores describe each city’s reference grid tile, not every property. A missing model is unavailable, not zero risk. Air quality uses an ingested EPA AirNow snapshot and may not reflect current conditions; other factors describe baseline exposure. The overall score blends different hazards and is not a probability of damage. Read the scoring methodology and sources.
Overall
Concord: 24/100 · Contra Costa Centre: 24/100
No gap.
Flood
Concord: 33/100 · Contra Costa Centre: 33/100
No gap.
Concord: FEMA NFHL flood zones: 28 features intersect this tile.
Contra Costa Centre: FEMA NFHL flood zones: 28 features intersect this tile.
Wind
Concord: 2/100 · Contra Costa Centre: 2/100
No gap.
Concord: Wind exposure derived from ingested design wind / climatology tiles.
Contra Costa Centre: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Concord: 0/100 · Contra Costa Centre: 0/100
No gap.
Concord: Lightning exposure derived from ingested climatology tiles.
Contra Costa Centre: Lightning exposure derived from ingested climatology tiles.
Tornado
Concord: 8/100 · Contra Costa Centre: 8/100
No gap.
Concord: Tornado risk derived from NOAA SPC historical reports.
Contra Costa Centre: Tornado risk derived from NOAA SPC historical reports.
Hail
Concord: 10/100 · Contra Costa Centre: 10/100
No gap.
Concord: Hail risk derived from NOAA SPC historical reports.
Contra Costa Centre: Hail risk derived from NOAA SPC historical reports.
Storm surge
Concord: Unavailable · Contra Costa Centre: Unavailable
A score difference cannot be calculated without both sources.
Concord: Storm surge model is not available for this location yet.
Contra Costa Centre: Storm surge model is not available for this location yet.
Wildfire
Concord: 69/100 · Contra Costa Centre: 69/100
No gap.
Concord: Wildfire exposure derived from ingested fire potential tiles.
Contra Costa Centre: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Concord: 24/100 · Contra Costa Centre: 24/100
No gap.
Concord: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
Contra Costa Centre: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.