Flood Zone Comparison
Compare key metrics between 21219 21219, MD — Zone A and 29030 29030, SC — Zone A. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 21219 21219, MD — Zone A | 29030 29030, SC — Zone A |
|---|---|---|
| name | 21219 21219, MD — Zone A | 29030 29030, SC — Zone A |
| zip code | 21219 | 29030 |
| city | 21219 | 29030 |
| state | Maryland | South Carolina |
| state code | MD | SC |
| 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 | 1,772 | 1,772 |
| base flood elevation | 13 ft | 12 ft |
| historical floods | 9 recorded flood events in the past 50 years. Most recent major flood: 2011 | 8 recorded flood events in the past 50 years. Most recent major flood: 2018 |
| nearest water | Puget Sound (1.3 miles) | Galveston Bay (1.1 miles) |
| elevation ft | 1,136 | 1,694 |
| population | 75,979 | 76,863 |
| median home value | 206,086 | 239,580 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $147,323 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $94,487 |
| 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 | 1899C605J | 3713C106J |
| 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.