819 Carroll Street, Brooklyn
Two-family · built c. 1896 · Block 1068, Lot 67.
Building permits
- Alteration, filed Jan 29, 2026, estimated cost $19K, described as “Rear deck installation at the 2nd floor and associated work. No change to use or occupancy.”
Property taxes
- Assessment
- $490,260
- 2026–27 tax
- $17,251
- Market value (city estimate)
- $8,171,000
- Taxable value
- $86,935
- Assessed land
- $57,000
- Assessed improvements
- $433,260
Zoning
R7B: floor area ratio 2.75 built, 3.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Dec 17, 2024: $4,250,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 4 Landmarks Preservation Commission permits are on file.