4 WEST 90 STREET is a 10-unit building in Upper West Side, Manhattan, built in 1889.
CurbScoop has 1 recorded sale on this tax lot, most recently $5.20M on Aug 3, 2026.
1 of those closed in the last five years, at a median of $5.20M.
1 unit is on the market here right now.
City records show 15 DOB permits and 22 open violations on file.
Reading these records
The transaction history above comes from ACRIS, the city's register of recorded deeds - it shows what actually closed, not what was asked. To compare that against what similar units are listed at, see how to find comps and asking price vs sale price. The BBL identifying this lot is explained in what is a BBL. Wider context for the area is on the Upper West Side market page.