684 Massachusetts Avenue
South End, Boston · 684 MASSACHUSETTS AV
684 Massachusetts Avenue in South End, Boston has 14 recorded condominium sales dating back to 2004, a median sale price of $530K and an average of $626 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
684 Massachusetts Avenue is one of 453 condo buildings CURVE covers in South End, where the median recorded price is $700 per square foot. By that measure it ranks #386 of 452 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in 684 Massachusetts Avenue, by year, with that year's median price.
Sales by price point
How 14 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 | 7/1/2026 | 2 Beds | Resale 2 | $780K | $1,040 | +20% |
| 1 | 8/26/2021 | 2 Beds | Resale 2 | $650K | $530 | +33% |
| 3 | 7/23/2021 | 2 Beds | Resale 1 | $650K | $867 | +63% |
| 2 | 4/29/2021 | 2 Beds | Resale 2 | $790K | $778 | +14% |
| 2 | 9/4/2018 | 2 Beds | Resale 1 | $690K | $679 | +44% |
| 5 | 11/15/2016 | 2 Beds | Resale 1 | $649K | $734 | +32% |
| 1 | 9/6/2013 | 2 Beds | Resale 1 | $489K | $399 | +12% |
| 4 | 6/7/2013 | 2 Beds | Resale 2 | $569K | $741 | +37% |
| 4 | 4/29/2011 | 2 Beds | Resale 1 | $415K | $540 | -1% |
| 1 | 9/7/2004 | 2 Beds | Developer Sale | $438K | $357 | — |
The full 684 Massachusetts Avenue 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 684 Massachusetts Avenue?
14 recorded sales, going back to 2004, of which 9 are resales. This page shows the 10 most recent; members see all of them.
What has 684 Massachusetts Avenue done over time?
Resales in the building have changed hands at an average of +28.3% against their prior recorded price, after an average hold of 8.5 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.