427 East 90th Street, Manhattan
Condominium · 21 units · built 2019 · Block 1570, Lot 7501.
Building permits
- Alteration, filed Jan 4, 2019, estimated cost $10K, described as “Installation of sidewalk shed, pipe scaffold, and needle beams as per plans. Sidewalk shed live load 300 psf. All equipment shall comply with chapter #33 of the 2014 code no change to use, egress or occupancy under this application.”
Property taxes
- Assessment
- $5,947,656
- 2026–27 tax
- $739,829
- Market value (city estimate)
- $13,216,998
- Taxable value
- $5,947,656
- Assessed land
- $1,152,452
- Assessed improvements
- $4,795,204
- Condo units with their own tax lots
- 21
Zoning
R8: floor area ratio 5.11 built, 6.02 allowed by base zoning.
Flood zone
Current FEMA flood map: zone X, minimal flood hazard.
Recent sales
- Aug 20, 2026: $1,297,500, Apt 5A
- Jun 11, 2026: $953,239, Apt 4C
- Mar 17, 2026: $3,575,000, Apt PH10
- Jan 27, 2026: $4,165,000, Apt PH9
- Jun 20, 2025: $3,829,321, Apt 1A
- May 27, 2025: $935,000, Apt 3C
- May 21, 2025: $1,540,000, Apt 6A
- Mar 13, 2025: $1,440,000, Apt 2B
- Dec 20, 2024: $2,890,000, Apt 8B
- Oct 21, 2024: $2,658,500, Apt 7B
The 10 most recent of 23 open-market sales since 2016, from the Department of Finance’s sales files.
In the news
Sales Launch for 427 East 90th Street on Manhattan’s Upper East Side, New York YIMBY, Aug 12, 2022.