15 Union Square West
Union Square, New York · 15 Union Square West, New York, NY
15 Union Square West in Union Square, New York has 61 recorded condominium sales dating back to 2009, a median sale price of $4.5M and an average of $2,231 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
The record
Sales activity
Recorded sales by year
Every deed recorded in 15 Union Square West, by year, with that year's median price.
Sales by price point
How 61 recorded sales distribute across the price ladder.
Unit mix sold
Bedroom count across recorded sales.
10 most recent sales
| Unit | Date | Beds | Type | Price | $/SF | Change |
|---|---|---|---|---|---|---|
| 13 | 10/30/2025 | 3 Beds | Resale 2 | $4.0M | $1,514 | -28% |
| 31 | 7/3/2025 | 2 Beds | Resale 2 | $3.9M | $2,184 | +16% |
| 11 | 3/7/2025 | 1 Bed | Resale 1 | $1.7M | $1,090 | -33% |
| 8 | 7/1/2024 | Studio | Resale 1 | $750K | $1,670 | +52% |
| 9 | 3/8/2024 | 2 Beds | Resale 1 | $6.5M | $2,947 | +27% |
| 10 | 1/19/2024 | 3 Beds | Resale 1 | $7.6M | $2,668 | +5% |
| 1 | 9/23/2022 | 1 Bed | Resale 3 | $1.5M | $1,960 | +8% |
| 29 | 6/2/2022 | 2 Beds | Resale 1 | $4.3M | $2,165 | -20% |
| 25 | 3/8/2022 | Studio | Resale 2 | $725K | $1,615 | -24% |
| 31 | 11/9/2021 | 2 Beds | Resale 1 | $3.3M | $1,886 | — |
The full 15 Union Square West record
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About this record
Where does this data come from?
Every sale shown is a deed recorded with the New York registry — the legal record of the transaction, not a listing or an estimate. CURVE assembles, verifies and reconciles each one to the building and the unit.
How many sales are in 15 Union Square West?
61 recorded sales, going back to 2009, of which 28 are resales. This page shows the 10 most recent; members see all of them.
What has 15 Union Square West done over time?
Resales in the building have changed hands at an average of +12.5% against their prior recorded price, after an average hold of 7.2 years.
What do members see that I don't?
The complete sales table, each unit's full chain of title, buyer and seller names, financing detail, the deed book and page behind every figure, the condo documents, and reports you can send to a client.