Flood Zone Comparison
Compare key metrics between 21722 21722, MD — Zone AE and 76631 76631, TX — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 21722 21722, MD — Zone AE | 76631 76631, TX — Zone A |
|---|---|---|
| name | 21722 21722, MD — Zone AE | 76631 76631, TX — Zone A |
| zip code | 21722 | 76631 |
| city | 21722 | 76631 |
| state | Maryland | Texas |
| state code | MD | TX |
| category | High Risk | High Risk |
| flood zone | Zone AE (High Risk — 100-Year Floodplain) | 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 | 2,326 | 2,326 |
| base flood elevation | 25 ft | 26 ft |
| historical floods | 14 recorded flood events in the past 50 years. Most recent major flood: 2006 | 11 recorded flood events in the past 50 years. Most recent major flood: 2020 |
| nearest water | Connecticut River (4.7 miles) | Lake Michigan (0.5 miles) |
| elevation ft | 1,208 | 226 |
| population | 70,199 | 18,245 |
| median home value | 597,157 | 370,554 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $183,833 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $67,526 |
| 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 | 2403C963J | 1845C136J |
| 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.