Flood Zone Comparison
Compare key metrics between 20603 20603, MD — Zone A and 75838 75838, TX — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 20603 20603, MD — Zone A | 75838 75838, TX — Zone A |
|---|---|---|
| name | 20603 20603, MD — Zone A | 75838 75838, TX — Zone A |
| zip code | 20603 | 75838 |
| city | 20603 | 75838 |
| state | Maryland | Texas |
| state code | MD | TX |
| category | High Risk | High Risk |
| flood zone | Zone A (High Risk — 100-Year Floodplain, No BFE) | Zone A (High Risk — 100-Year Floodplain, No BFE) |
| risk level | High Risk | High Risk |
| annual flood prob | 1% annual chance (100-year flood) | 1% annual chance (100-year flood) |
| insurance required | Required for federally-backed mortgages | Required for federally-backed mortgages |
| avg annual premium | 2,071 | 2,071 |
| base flood elevation | 17 ft | 22 ft |
| historical floods | 3 recorded flood events in the past 50 years. Most recent major flood: 2004 | 3 recorded flood events in the past 50 years. Most recent major flood: 2007 |
| nearest water | Lake Michigan (4.9 miles) | Ohio River (4.9 miles) |
| elevation ft | 1,189 | 1,770 |
| population | 28,857 | 78,190 |
| median home value | 459,596 | 761,349 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $76,351 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $119,684 |
| mitigation tips | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. | Elevate utilities above base flood elevation; install sump pumps with battery backup; consider flood-proofing ground floor; maintain flood insurance; create an emergency evacuation plan; store important documents above flood level. |
| fema map id | 5060C118J | 1691C929J |
| 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.