# 427 East 90th Street, Manhattan

Condominium · 21 units · built 2019 · Block 1570, Lot 7501.

On Umarelli: https://umarelli.org/nyc/1015707501/427-east-90-street

More construction in Upper East Side: https://umarelli.org/nyc/manhattan/upper-east-side.md

## 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.

## 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.

## Flood zone

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

## In the news

[Sales Launch for 427 East 90th Street on Manhattan’s Upper East Side](https://newyorkyimby.com/2022/08/sales-launch-for-427-east-90th-street-on-manhattans-upper-east-side.html), New York YIMBY, Aug 12, 2022.

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