28 East 70th Street
Upper East Side, New York · 28 East 70th Street, New York, NY
28 East 70th Street in Upper East Side, New York has 6 recorded condominium sales dating back to 2008, a median sale price of $10.1M and an average of $2,875 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
28 East 70th Street is one of 135 condo buildings CURVE covers in Upper East Side, where the median recorded price is $1,763 per square foot. By that measure it ranks #15 of 135 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in 28 East 70th Street, by year, with that year's median price.
Sales by price point
How 6 recorded sales distribute across the price ladder.
Unit mix sold
Bedroom count across recorded sales.
6 most recent sales
| Unit | Date | Beds | Type | Price | $/SF | Change |
|---|---|---|---|---|---|---|
| PH-1 | 12/2/2025 | 3 Beds | Resale 1 | $8.3M | $2,878 | — |
| 14 | 3/25/2022 | 3 Beds | Resale 1 | $9.8M | $2,752 | — |
| 10 | 4/7/2015 | — | Resale 1 | $18.5M | — | — |
| 12 | 8/6/2014 | 2 Beds | Resale 1 | $6.3M | $1,685 | — |
| PH-2 | 12/21/2010 | 3 Beds | Resale 1 | $12.0M | $4,186 | — |
| 5A | 5/15/2008 | — | Resale 1 | $10.5M | — | — |
The full 28 East 70th Street 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 28 East 70th Street?
6 recorded sales, going back to 2008, of which 6 are resales. This page shows the 6 most recent; members see all of them.
What has 28 East 70th Street done over time?
Resale performance is measured against each unit's prior recorded price.
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.