John Mammano
Compass
The local track record
John Mammano ranks #1 by homes listed in Cleveland Park, among 136 agents and teams, with 6 homes listed and $2.6M in asking volume. Median of John Mammano’s listings in Cleveland Park: $469,750. Figures cover Nov 10, 2025 – Nov 10, 2026.
Published geographic standings
Where this agent stands out
Citywide totals include qualifying neighborhood homes. Each geography has its own ranking; these rows are not added together.
| Area / reporting period | Homes listed | Listing rank | Asking volume | Volume rank | Median of this agent’s listings |
|---|---|---|---|---|---|
| WashingtonWashington · City or townNov 10, 2025 – Nov 10, 2026 edition window | 9Credited homes in this area | T-206of 3,287 | $4.7MNov 10, 2025 – Nov 10, 2026 | #461 | $470,5009 priced homes · this agent |
| Cleveland ParkNeighborhoodNov 10, 2025 – Nov 10, 2026 edition window | 6Credited homes in this area | #1of 136 | $2.6MNov 10, 2025 – Nov 10, 2026 | #20 | $469,7506 priced homes · this agent |
| Mount Vernon SquareNeighborhoodNov 10, 2025 – Nov 10, 2026 edition window | 1Credited homes in this area | T-18of 133 | $789KNov 10, 2025 – Nov 10, 2026 | #40 | Unavailable1 priced home · this agent |
| Dupont CircleNeighborhoodNov 10, 2025 – Nov 10, 2026 edition window | 1Credited homes in this area | T-62of 307 | $819.9KNov 10, 2025 – Nov 10, 2026 | #97 | Unavailable1 priced home · this agent |
| Capitol HillNeighborhoodNov 10, 2025 – Nov 10, 2026 edition window | 1Credited homes in this area | T-104of 400 | $465KNov 10, 2025 – Nov 10, 2026 | #349 | Unavailable1 priced home · this agent |
Answers from the data
About John Mammano’s listing activity
Where is John Mammano most active?
Among the published areas shown for Nov 10, 2025 – Nov 10, 2026, John Mammano has the most credited homes in Washington: 9. Citywide counts include qualifying neighborhood homes.
View source and methodology ↗Where does John Mammano rank highest?
John Mammano ranks #1 by homes listed in Cleveland Park, among 136 agents and teams, with 6 homes listed and $2.6M in asking volume. Median of John Mammano’s listings in Cleveland Park: $469,750. Figures cover Nov 10, 2025 – Nov 10, 2026.
View source and methodology ↗How does John Mammano rank in Washington?
John Mammano ranks #206 (tied) by homes listed and #461 by asking volume in Washington, with 9 homes listed and $4.7M in asking volume from Nov 10, 2025 – Nov 10, 2026.
View source and methodology ↗What is the median of John Mammano’s listings in Washington?
The median of John Mammano’s listings in Washington is $470,500, from Nov 10, 2025 – Nov 10, 2026.
View source and methodology ↗How do citywide and neighborhood rankings relate?
Each area has its own ranking. A citywide count includes the agent’s qualifying homes inside that city, including its neighborhoods.
View source and methodology ↗Loading current property availability…