Flood Zone Comparison
Compare key metrics between 21229 21229, MD — Zone AE and 30507 30507, GA — Zone AE. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 21229 21229, MD — Zone AE | 30507 30507, GA — Zone AE |
|---|---|---|
| name | 21229 21229, MD — Zone AE | 30507 30507, GA — Zone AE |
| zip code | 21229 | 30507 |
| city | 21229 | 30507 |
| state | Maryland | Georgia |
| state code | MD | GA |
| category | High Risk | High Risk |
| flood zone | Zone AE (High Risk — 100-Year Floodplain) | Zone AE (High Risk — 100-Year Floodplain) |
| 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 | 1,221 | 1,221 |
| base flood elevation | 17 ft | 15 ft |
| historical floods | 7 recorded flood events in the past 50 years. Most recent major flood: 2008 | 8 recorded flood events in the past 50 years. Most recent major flood: 2020 |
| nearest water | Rio Grande (2.6 miles) | Lake Ontario (4.2 miles) |
| elevation ft | 1,106 | 1,687 |
| population | 19,466 | 22,968 |
| median home value | 779,488 | 770,158 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $17,923 | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $52,890 |
| 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 | 9333C418J | 6550C232J |
| 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.