9 Chauncy Street
Cambridge, Boston · 9 Chauncy Street
9 Chauncy Street in Cambridge, Boston has 32 recorded condominium sales dating back to 1979, a median sale price of $515K and an average of $514 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.
9 Chauncy Street is one of 200 condo buildings CURVE covers in Cambridge, where the median recorded price is $512 per square foot. By that measure it ranks #67 of 197 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in 9 Chauncy Street, by year, with that year's median price.
Sales by price point
How 32 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 |
|---|---|---|---|---|---|---|
| 72 | 9/4/2026 | 2 Beds | Resale 1 | $630K | $633 | — |
| 61 | 1/9/2026 | 2 Beds | Resale 2 | $830K | $834 | +849% |
| 20 | 11/17/2025 | 2 Beds | Resale 2 | $690K | $857 | +3% |
| 63 | 5/19/2022 | 2 Beds | Resale 3 | $775K | $931 | +29% |
| 51 | 9/10/2021 | 2 Beds | Resale 2 | $850K | $854 | +13% |
| 50 | 1/25/2021 | 2 Beds | Resale 1 | $740K | $919 | — |
| 32 | 8/29/2018 | 2 Beds | Resale 2 | $823K | $827 | +1272% |
| 51 | 6/1/2018 | 2 Beds | Resale 1 | $750K | $754 | — |
| 21 | 5/29/2018 | 2 Beds | Resale 2 | $673K | $676 | +797% |
| 70 | 5/25/2018 | 2 Beds | Resale 3 | $800K | $994 | +65% |
The full 9 Chauncy 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 9 Chauncy Street?
32 recorded sales, going back to 1979, of which 32 are resales. This page shows the 10 most recent; members see all of them.
What has 9 Chauncy Street done over time?
Resales in the building have changed hands at an average of +309.8% against their prior recorded price, after an average hold of 17.7 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.