Flood Safety Ranking — San Marino
Updated June 22, 2026
See how neighborhoods in San Marino compare on flood safety. Rankings are based on measured data aggregated across each neighborhood boundary. How flood safety is measured →
Top Flood Safety Neighborhoods — Ranked
Flood risk in this area is significantly lower than the San Marino average, though some residual risk remains due to its location within a 500-year floodplain. According to iHuus data, the area maintains a much higher level of safety regarding flood events compared to most parts of the city.
Residual flood risk exists within this area due to its location inside a 500-year floodplain; however, safety levels remain significantly higher than the San Marino city average according to iHuus data.
Flood safety in this area is significantly higher than the San Marino average, though some residual risk remains due to proximity to the 500-year floodplain. According to iHuus data, properties here are located outside the primary high-risk zones.
Full San Marino Flood Safety Ranking
| Neighborhood | Score | City Rank | vs. City Avg |
|---|---|---|---|
| Huntington Library | 7.7 | #1 | +4.3 ↑ |
| Library District | 7.7 | #2 | +4.3 ↑ |
| Poet's Quarter | 7.7 | #3 | +4.3 ↑ |
| Lacy Estates | 4.6 | #4 | +1.1 ↑ |
| East Village | 4.3 | #5 | +0.8 ↑ |
| Upper East Side | 3.7 | #6 | +0.3 ↑ |
| Lower Huntington | 2.7 | #7 | -0.8 ↓ |
| Mission District | 1.6 | #8 | -1.9 ↓ |
iHuus Neighborhood Intelligence Insights
Get block-level neighborhood insights for San Marino
- Street-level scores — see how individual blocks compare, not just neighborhood averages
- Micro-zone boundaries — identify quiet pockets, flood boundaries, and walkable clusters before you visit
- 15 dimensions in full — walkability, noise, air quality, school quality, insurance coverage, population age profile, urban/rural index, and more
- Boundary risk alerts — know if your address sits near a block boundary where scores drop, the kind of detail no listing will ever mention
- School insights — individual school ratings and insights, not just district-level data
- Compare before you commit — side-by-side data across neighborhoods, down to block precision
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