# 86 Prospect Park West, Brooklyn

Co-op · 25 units · built c. 1909 · Block 1083, Lot 38.

On Umarelli: https://umarelli.org/nyc/3010830038/86-prospect-park-west

More construction in Park Slope: https://umarelli.org/nyc/brooklyn/park-slope.md

Every lot on block 1083: https://umarelli.org/nyc/brooklyn/1083.md

## 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.

## 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.

## Flood zone

Current FEMA flood map: zone X, minimal flood hazard.

## Landmarks

Part of Park Slope Historic District (Historic District). 25 Landmarks Preservation Commission permits are on file.

From New York City and Jersey City public records, refreshed within a day of each release. Sources: https://umarelli.org/sources. Methodology and corrections: https://umarelli.org/methodology