75 Prospect Park Sw, Brooklyn
Co-op · 52 units · built c. 1936 · Block 1107, Lot 33.
Building permits
- Alteration, filed Jul 1, 2026, estimated cost $50K, described as “Filing for facade work to inlcude but not limited to lintel replacement, metal siding. No change of use, egress or occupancy.”
- Alteration, filed Jun 22, 2026, estimated cost $131K, described as “Renovate apt E8. On the 5TH floor. Demolish and construct non bearing interior partitions and finishes. No change to use, egress, or occupancy.”
- Alteration, filed Mar 24, 2026, estimated cost $139K, described as “File application for renovation of 5TH floor apartment #E2 with new partitions & finishes, no change in use, egress and occupancy.”
- Alteration, filed Sep 1, 2025, estimated cost $5K, described as “Installation of new sidewalk shed at 75 prospect park southwest, brooklyn as per plans. There will be no change in the use, egress, or occupancy under this application.”
- Alteration, filed Aug 18, 2025, described as “Amendment application filed for the installation of a third lifeline system to facilitate restoration work, including all required inspections.”
- Alteration, filed May 4, 2023, estimated cost $12K, described as “No change of use, occupancy or egress to existing multifamily building. Install non-bearing interior partition to subdivide the existing bedroom and change to existing closet at apartment D9.”
- Alteration, filed May 12, 2021, estimated cost $39K, described as “Minor interior renovation to apartment B2 as per plans filed herewith. Work includes replacement of interior finishes at select locations. New interior partitions & doors. Floors to be sanded and refinished.”
Property taxes
- Assessment
- $2,718,450
- 2026–27 tax
- $250,486
- Market value (city estimate)
- $6,041,000
- Taxable value
- $2,434,320
- Assessed land
- $268,650
- Assessed improvements
- $2,449,800
Tax breaks
- Co-op and condo abatement, with no end date, a $51,949 credit this tax year.
- J-51 abatement, through Dec 31, 2036, a $914 credit this tax year.
Zoning
R6A: floor area ratio 3.77 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
- Feb 24, 2026: $985,000
- Feb 24, 2026: $999,000
- Mar 21, 2025: $143,000
- Sep 12, 2024: $724,000
- Jan 17, 2023: $670,000
- Oct 5, 2022: $683,600
- May 18, 2022: $860,000
- Mar 1, 2022: $910,000
- Dec 13, 2021: $890,000
- Nov 8, 2021: $800,000
The 10 most recent of 18 open-market sales since 2016, from the Department of Finance’s sales files.