Twelve Concord Square
South End, Boston · 12 CONCORD SQ
Twelve Concord Square in South End, Boston has 8 recorded condominium sales dating back to 2002, a median sale price of $474K and an average of $769 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
Twelve Concord Square is one of 636 condo buildings CURVE covers in South End, where the median recorded price is $703 per square foot. By that measure it ranks #243 of 635 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in Twelve Concord Square, by year, with that year's median price.
Sales by price point
How 8 recorded sales distribute across the price ladder.
Unit mix sold
Bedroom count across recorded sales.
8 most recent sales
| Unit | Date | Beds | Type | Price | $/SF | Change |
|---|---|---|---|---|---|---|
| 1 | 3/3/2026 | 2 Beds | Developer Sale | $1.5M | $1,032 | — |
| 4 | 7/29/2022 | 2 Beds | Developer Sale | $753K | $1,018 | — |
| 3 | 12/4/2013 | 2 Beds | Resale 4 | $555K | $889 | +18% |
| 3 | 10/3/2008 | 2 Beds | Resale 3 | $470K | $752 | -2% |
| 2 | 9/15/2006 | 1 Bed | Developer Sale | $317K | $529 | — |
| 3 | 9/28/2005 | 2 Beds | Resale 2 | $478K | $765 | +18% |
| 3 | 1/26/2005 | 2 Beds | Resale 1 | $405K | $649 | +25% |
| 3 | 2/28/2002 | 2 Beds | Developer Sale | $325K | $521 | — |
The full Twelve Concord Square record
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More buildings in South End
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 Twelve Concord Square?
8 recorded sales, going back to 2002, of which 4 are resales. This page shows the 8 most recent; members see all of them.
What has Twelve Concord Square done over time?
Resales in the building have changed hands at an average of +14.8% against their prior recorded price, after an average hold of 2.9 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.