417 Adelphi Street, Brooklyn
Single family · built 2025 · Block 1958, Lot 1.
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Building permits
Permit records are unavailable right now; the map lists them once the city responds.
Property taxes
- Assessment
- $16,800
- 2026–27 tax
- $3,334
- Assessed land
- $16,800
Zoning
R6B: floor area ratio 2.19 built, above the 2.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 16, 2024: $1,300,000
- Feb 8, 2024: $400,000
- Apr 11, 2022: $28,125
- Jan 25, 2021: $142,000
- Oct 17, 2018: $46,000
Open-market sales since 2016, from the Department of Finance’s sales files.