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City vs city
Portola Valley vs San Jose, CA
San Jose currently scores 9 points higher overall than Portola Valley, with the largest gap in flood.
Use this comparison for relocation decisions, insurance shopping, and hazard-prioritized mitigation planning.
Hazard breakdown
Overall
Portola Valley: 21/100 · San Jose: 30/100
San Jose is 9 points higher.
Flood
Portola Valley: 28/100 · San Jose: 48/100
San Jose is 20 points higher.
Wind
Portola Valley: 2/100 · San Jose: 2/100
No gap.
Lightning
Portola Valley: 0/100 · San Jose: 0/100
No gap.
Tornado
Portola Valley: 0/100 · San Jose: 0/100
No gap.
Hail
Portola Valley: 1/100 · San Jose: 11/100
San Jose is 10 points higher.
Storm surge
Portola Valley: 0/100 · San Jose: 0/100
No gap.