831 Carroll Street, Brooklyn
Co-op · 5 units · built c. 1896 · Block 1068, Lot 61.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $1,151,550
- 2026–27 tax
- $47,290
- Market value (city estimate)
- $2,559,000
- Taxable value
- $380,179
- Assessed land
- $13,500
- Assessed improvements
- $1,138,050
Zoning
R7B: floor area ratio 3.27 built, above the 3.00 base zoning allows, which bonuses, transfers or older rules can permit.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Sep 8, 2025: $1,250,000
- Oct 1, 2024: $1,325,000
- Jul 25, 2024: $1,305,000
- Apr 27, 2021: $900,000
- Mar 15, 2019: $810,000
- Oct 6, 2016: $1,085,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 13 Landmarks Preservation Commission permits are on file.