City vs city
Marin City vs San Francisco, CA
Marin City and San Francisco 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
Marin City: 25/100 · San Francisco: 25/100
No gap.
Flood
Marin City: 40/100 · San Francisco: 26/100
Marin City is 14 points higher.
Marin City: FEMA NFHL flood zones: 13 features intersect this tile.
San Francisco: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Marin City: 2/100 · San Francisco: 2/100
No gap.
Marin City: Wind exposure derived from ingested design wind / climatology tiles.
San Francisco: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Marin City: 0/100 · San Francisco: 0/100
No gap.
Marin City: Lightning exposure derived from ingested climatology tiles.
San Francisco: Lightning exposure derived from ingested climatology tiles.
Tornado
Marin City: 0/100 · San Francisco: 0/100
No gap.
Marin City: Tornado risk derived from NOAA SPC historical reports.
San Francisco: Tornado risk derived from NOAA SPC historical reports.
Hail
Marin City: 5/100 · San Francisco: 18/100
San Francisco is 13 points higher.
Marin City: Hail risk derived from NOAA SPC historical reports.
San Francisco: Hail risk derived from NOAA SPC historical reports.
Storm surge
Marin City: Unavailable · San Francisco: Unavailable
A score difference cannot be calculated without both sources.
Marin City: Storm surge model is not available for this location yet.
San Francisco: Storm surge model is not available for this location yet.
Wildfire
Marin City: 51/100 · San Francisco: 52/100
San Francisco is 1 points higher.
Marin City: Wildfire exposure derived from ingested fire potential tiles.
San Francisco: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Marin City: 26/100 · San Francisco: 25/100
Marin City is 1 points higher.
Marin City: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
San Francisco: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.