Eighteen Upton Street
South End, Boston · 18 Upton ST
Eighteen Upton Street in South End, Boston has 10 recorded condominium sales dating back to 2001, a median sale price of $809K and an average of $728 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
Eighteen Upton Street is one of 495 condo buildings CURVE covers in South End, where the median recorded price is $701 per square foot. By that measure it ranks #418 of 494 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in Eighteen Upton Street, by year, with that year's median price.
Sales by price point
How 10 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 |
|---|---|---|---|---|---|---|
| 3 | 12/3/2024 | 2 Beds | Resale 3 | $940K | $1,146 | +8% |
| 3 | 5/25/2021 | 2 Beds | Resale 2 | $868K | $1,059 | +83% |
| 2 | 5/14/2021 | 3 Beds | Resale 2 | $1.9M | $1,149 | +4% |
| 2 | 8/17/2018 | 3 Beds | Resale 1 | $1.8M | $1,106 | +232% |
| 4 | 10/29/2009 | 3 Beds | Resale 1 | $990K | $540 | +32% |
| 1 | 7/14/2006 | 1 Bed | Developer Sale | $385K | $513 | — |
| 3 | 8/2/2004 | 2 Beds | Resale 1 | $475K | $579 | +28% |
| 2 | 6/6/2003 | 3 Beds | Developer Sale | $536K | $333 | — |
| 3 | 8/7/2002 | 2 Beds | Developer Sale | $370K | $451 | — |
| 4 | 7/13/2001 | 3 Beds | Developer Sale | $750K | $409 | — |
The full Eighteen Upton Street record
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About this record
Where does this data come from?
Every sale shown is a deed recorded with the Boston 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 Eighteen Upton Street?
10 recorded sales, going back to 2001, of which 6 are resales. This page shows the 10 most recent; members see all of them.
What has Eighteen Upton Street done over time?
Resales in the building have changed hands at an average of +64.5% against their prior recorded price, after an average hold of 8.1 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.