90 Prospect Park West, Brooklyn
Co-op · 8 units · built c. 1909 · Block 1083, Lot 43.
Building permits
No building permits on file for this lot.
Property taxes
- Assessment
- $2,297,700
- 2026–27 tax
- $56,145
- Market value (city estimate)
- $5,106,000
- Taxable value
- $546,970
- Assessed land
- $60,750
- Assessed improvements
- $2,236,950
Tax breaks
- Co-op and condo abatement, with no end date, a $11,909 credit this tax year.
Zoning
R7A: floor area ratio 2.89 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- May 8, 2026: $983,897
- May 20, 2021: $2,195,000
- Oct 15, 2018: $1,800,000
- Oct 21, 2016: $1,765,000
- Jan 4, 2016: $1,900,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 17 Landmarks Preservation Commission permits are on file.