86 Prospect Park West, Brooklyn
Co-op · 25 units · built c. 1909 · Block 1083, Lot 38.
Building permits
- Alteration, filed Jun 15, 2023, estimated cost $118K, described as “Interior renovation of the existing apartment 1G in the cellar. No change of use, occupancy, or egress.”
- Alteration, filed Aug 27, 2020, estimated cost $27K, described as “Plumbing work only at apartments 3B & 3C on 003; Cap&Remove 1 tub, 1 res-sink, 1 WM, & 1 gas range, Replace 1 Lav on exit roughing, Relocate 1 toilet, 1 DW, & 1 WM to new location on 003, and Provide 1 new laundry standpipe, 1 lav, & 1…”
Property taxes
- Assessment
- $2,581,650
- 2026–27 tax
- $253,772
- Market value (city estimate)
- $5,737,000
- Taxable value
- $2,451,570
- Assessed land
- $97,650
- Assessed improvements
- $2,484,000
Tax breaks
- Co-op and condo abatement, with no end date, a $51,629 credit this tax year.
Zoning
R7A: floor area ratio 3.03 built, 4.00 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Jun 29, 2026: $2,900,000
- Aug 25, 2025: $1,250,000
- Nov 29, 2023: $1,965,000
- Nov 10, 2022: $2,151,000
- Feb 2, 2022: $875,000
- Jul 17, 2020: $690,000, Apt 2B
- Jan 7, 2020: $750,000, Apt 2C
- Sep 19, 2019: $775,000
- Dec 19, 2018: $950,000
- Jun 29, 2018: $900,000
Open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Park Slope Historic District (Historic District). 25 Landmarks Preservation Commission permits are on file.