21 Chauncy Street
Cambridge, Boston · 21 Chauncy Street · From recorded sales
21 Chauncy Street in Cambridge, Boston has 37 recorded condominium sales dating back to 2000. Over the last five years, its median sale price is $648K and its median price per square foot is $920. Every figure below comes from recorded sales and transfers, not listings or estimates.
21 Chauncy Street is one of 200 condo buildings CURVE covers in Cambridge, where the median building recorded $915 per square foot over the last five years. By that measure it ranks #58 of 125 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every sale recorded in 21 Chauncy Street, by year, with that year's median price.
Sales by price point
How 37 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 |
|---|---|---|---|---|---|---|
| 23 | 7/22/2025 | 1 Bed | Resale 1 | $630K | $690/SF | — |
| 21 | 8/2/2024 | 1 Bed | Resale 3 | $735K | $1,089/SF | vs prior sale +3% |
| 7 | 6/27/2024 | 1 Bed | Resale 2 | $573K | $1,181/SF | vs prior sale +14% |
| 3B | 5/3/2024 | 1 Bed | Resale 2 | $410K | $833/SF | vs prior sale +50% |
| 36 | 4/26/2024 | 1 Bed | Resale 1 | $485K | $1,006/SF | — |
| 21 | 8/5/2022 | 1 Bed | Resale 2 | $715K | $1,059/SF | vs prior sale +29% |
| 3 | 6/27/2022 | 1 Bed | Resale 3 | $750K | $821/SF | vs prior sale +64% |
| 43 | 12/17/2021 | 1 Bed | Resale 1 | $665K | $728/SF | — |
| 22 | 8/6/2021 | 1 Bed | Resale 2 | $820K | $898/SF | vs prior sale +33% |
| 28 | 6/23/2021 | 1 Bed | Resale 2 | $698K | $898/SF | vs prior sale +6% |
The full 21 Chauncy Street record
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- All 37 recorded sales
- Every unit's resale chain
- Buyer and seller names
- Financing and recording details
- Condo docs + AI
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About this record
Where does this data come from?
Every sale shown is recorded with the registry of deeds, 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 21 Chauncy Street?
37 recorded sales, going back to 2000, of which 37 are resales. This page shows the 10 most recent; a free account shows all of them.
What has 21 Chauncy Street done over time?
Resales in the building have changed hands at an average of +35.2% against their prior recorded price, after an average hold of 5.4 years.
What does the full record show?
The complete sales table, each unit's full chain of title, buyer and seller names, financing detail, the recording details behind every figure, the condo documents, and reports you can send to a client.