Flood Zone Comparison
Compare key metrics between 15905 15905, PA — Zone X-shaded and 23409 23409, VA — Zone X-shaded. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 15905 15905, PA — Zone X-shaded | 23409 23409, VA — Zone X-shaded |
|---|---|---|
| name | 15905 15905, PA — Zone X-shaded | 23409 23409, VA — Zone X-shaded |
| zip code | 15905 | 23409 |
| city | 15905 | 23409 |
| state | Pennsylvania | Virginia |
| state code | PA | VA |
| category | Moderate Risk | Moderate Risk |
| flood zone | Zone X-shaded (Moderate Risk — 500-Year Floodplain) | Zone X-shaded (Moderate Risk — 500-Year Floodplain) |
| risk level | Moderate Risk | Moderate Risk |
| annual flood prob | 0.2% annual chance (500-year flood) | 0.2% annual chance (500-year flood) |
| insurance required | Recommended but not required | Recommended but not required |
| avg annual premium | 702 | 702 |
| base flood elevation | N/A — not in Special Flood Hazard Area | N/A — not in Special Flood Hazard Area |
| historical floods | 9 recorded flood events in the past 50 years. Most recent major flood: 2023 | 11 recorded flood events in the past 50 years. Most recent major flood: 2008 |
| nearest water | Rio Grande (2.3 miles) | Columbia River (0.2 miles) |
| elevation ft | 962 | 657 |
| population | 47,562 | 6,309 |
| median home value | 445,988 | 357,501 |
| flood damage risk | 15-30% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $66,812 | 15-30% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $57,593 |
| mitigation tips | Consider purchasing flood insurance even though not required; install backflow preventers on sewer lines; grade your lot to direct water away from foundation; keep gutters and drainage clear; know your evacuation route. | Consider purchasing flood insurance even though not required; install backflow preventers on sewer lines; grade your lot to direct water away from foundation; keep gutters and drainage clear; know your evacuation route. |
| fema map id | 9949C505J | 6827C674J |
| last updated | 2025-01-01 | 2025-01-01 |
Our team analyzes data from FEMA National Flood Hazard Layer to deliver accurate, up-to-date information. All data is verified and cross-referenced with official sources.