City vs city
Hacienda Heights vs South San Jose Hills, CA
South San Jose Hills currently scores 3 points higher overall than Hacienda Heights, with the largest gap 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
Hacienda Heights: 21/100 · South San Jose Hills: 24/100
South San Jose Hills is 3 points higher.
Flood
Hacienda Heights: 28/100 · South San Jose Hills: 36/100
South San Jose Hills is 8 points higher.
Hacienda Heights: FEMA NFHL flood zones: 5 features intersect this tile.
South San Jose Hills: FEMA NFHL flood zones: 4 features intersect this tile.
Wind
Hacienda Heights: 5/100 · South San Jose Hills: 5/100
No gap.
Hacienda Heights: Wind exposure derived from ingested design wind / climatology tiles.
South San Jose Hills: Wind exposure derived from ingested design wind / climatology tiles.
Lightning
Hacienda Heights: 1/100 · South San Jose Hills: 1/100
No gap.
Hacienda Heights: Lightning exposure derived from ingested climatology tiles.
South San Jose Hills: Lightning exposure derived from ingested climatology tiles.
Tornado
Hacienda Heights: 4/100 · South San Jose Hills: 0/100
Hacienda Heights is 4 points higher.
Hacienda Heights: Tornado risk derived from NOAA SPC historical reports.
South San Jose Hills: Tornado risk derived from NOAA SPC historical reports.
Hail
Hacienda Heights: 1/100 · South San Jose Hills: 1/100
No gap.
Hacienda Heights: Hail risk derived from NOAA SPC historical reports.
South San Jose Hills: Hail risk derived from NOAA SPC historical reports.
Storm surge
Hacienda Heights: Unavailable · South San Jose Hills: Unavailable
A score difference cannot be calculated without both sources.
Hacienda Heights: Storm surge model is not available for this location yet.
South San Jose Hills: Storm surge model is not available for this location yet.
Wildfire
Hacienda Heights: 76/100 · South San Jose Hills: 75/100
Hacienda Heights is 1 points higher.
Hacienda Heights: Wildfire exposure derived from ingested fire potential tiles.
South San Jose Hills: Wildfire exposure derived from ingested fire potential tiles.
Ingested air quality
Hacienda Heights: 31/100 · South San Jose Hills: 26/100
Hacienda Heights is 5 points higher.
Hacienda Heights: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.
South San Jose Hills: Air quality score derived from the latest ingested EPA AirNow AQI grid; may not reflect current conditions. See methodology for the recorded ingest date.