Flood Zone Comparison
Compare key metrics between 20742 20742, MD — Zone AE and 34677 34677, FL — Zone D. Data sourced from FEMA National Flood Hazard Layer (2025).
| Metric | 20742 20742, MD — Zone AE | 34677 34677, FL — Zone D |
|---|---|---|
| name | 20742 20742, MD — Zone AE | 34677 34677, FL — Zone D |
| zip code | 20742 | 34677 |
| city | 20742 | 34677 |
| state | Maryland | Florida |
| state code | MD | FL |
| category | High Risk | Undetermined |
| flood zone | Zone AE (High Risk — 100-Year Floodplain) | Zone D (Undetermined Risk — No Analysis Performed) |
| risk level | High Risk | Undetermined |
| annual flood prob | 1% annual chance (100-year flood) | Unknown — flood risk not yet determined by FEMA |
| insurance required | Required for federally-backed mortgages | Recommended — risk is undetermined |
| avg annual premium | 1,124 | 1,124 |
| base flood elevation | 13 ft | N/A — not in Special Flood Hazard Area |
| historical floods | 14 recorded flood events in the past 50 years. Most recent major flood: 2023 | 13 recorded flood events in the past 50 years. Most recent major flood: 2013 |
| nearest water | local river (1.2 miles) | Tampa Bay (3.7 miles) |
| elevation ft | 836 | 24 |
| population | 19,327 | 54,878 |
| median home value | 445,621 | 596,213 |
| flood damage risk | 40-60% chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $155,539 | Unknown chance of flood damage over a 30-year mortgage. Estimated average damage per flood event: $16,415 |
| 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. | Purchase flood insurance as a precaution; research historical flooding in your area; contact your local floodplain administrator; maintain proper drainage; prepare an emergency kit and evacuation plan. |
| fema map id | 2520C606J | 7927C767J |
| 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.