175 Adelphi Street, Brooklyn
Four-family · built c. 1905 · Block 2074, Lot 12.
Building permits
- Alteration, filed Sep 23, 2025, estimated cost $544K, described as “Interior renovation of existing dwelling unit interiors. No change to use, occupancy or egress under this application.”
Property taxes
- Assessment
- $742,950
- 2026–27 tax
- $11,000
- Market value (city estimate)
- $1,651,000
- Taxable value
- $88,431
- Assessed land
- $315,900
- Assessed improvements
- $427,050
Zoning
R6B: floor area ratio 1.18 built, 2.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 4, 2025: $3,800,000
Open-market sales since 2016, from the Department of Finance’s sales files.