320 West 87th Street, Manhattan
Co-op · 36 units · built c. 1912 · Block 1248, Lot 41.
Building permits
- Alteration, filed Aug 15, 2026, estimated cost $78K, described as “Renovation of Apt. 1CE on first floor. Partition work per plans. No change in use, egress or occupancy. PL work will be filed subsequently.”
- Alteration, filed Feb 8, 2025, estimated cost $148K, described as “Renovation of Apt. 22 on 2nd floor. Partition work per plans. Installation of new electric HVAC system with ductwork in Apt. 22 and condensing unit inside exterior wall . No change in use, egress or occupancy. PL work will be filed…”
- Alteration, filed Dec 8, 2022, estimated cost $95K, described as “Filing application for the combination of apartments 6E & 6W on the 6TH floor no change in use, egress or occupancy.”
- Alteration, filed Dec 8, 2022, estimated cost $20K, described as “Plumbing work related to the interior combination of apartments 6E & 6W on the 6TH floor no change in use, egress or occupancy.”
- Alteration, filed May 19, 2021, estimated cost $1K, described as “Installation of temporary heavy duty sidewalk shed as per plans. No change in use, egress or occupancy. Sidewalk shed shall comply with chapter #33 of the NYC building code. Live load 300 psf”
- Alteration, filed Dec 18, 2019, described as “Installation of sidewalk shed as per plans. No change in use, egress or occupancy.”
Property taxes
- Assessment
- $5,447,250
- 2026–27 tax
- $532,895
- Market value (city estimate)
- $12,105,000
- Taxable value
- $4,867,570
- Assessed land
- $1,269,000
- Assessed improvements
- $4,178,250
Tax breaks
- Co-op and condo abatement, with no end date, a $73,109 credit this tax year.
Zoning
R8: floor area ratio 7.14 built, above the 6.02 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 18, 2025: $715,000
- Jan 13, 2025: $1,070,000
- Jan 31, 2023: $500,000
- Mar 28, 2022: $1,125,000
- Oct 18, 2021: $630,000
- Jun 23, 2021: $950,000
- Dec 8, 2020: $2,092,500, Apt 5W
- Feb 26, 2020: $799,999, Apt 9W2
- Feb 18, 2020: $511,000, Apt 8W1
- Apr 30, 2019: $500,000
The 10 most recent of 12 open-market sales since 2016, from the Department of Finance’s sales files.
Landmarks
Part of Riverside-West End Historic District (Historic District). 29 Landmarks Preservation Commission permits are on file.