Coburn House
Back Bay, Boston · 402 Marlborough ST · From recorded sales
Coburn House in Back Bay, Boston has 18 recorded condominium sales dating back to 2000. Over the last five years, its median sale price is $1.4M and its median price per square foot is $1,336. Every figure below comes from recorded sales and transfers, not listings or estimates.
Coburn House is one of 508 condo buildings CURVE covers in Back Bay, where the median building recorded $1,280 per square foot over the last five years. By that measure it ranks #70 of 184 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every sale recorded in Coburn House, by year, with that year's median price.
Sales by price point
How 18 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 | 7/30/2026 | 1 Bed | Resale 3 | $2.0M | $1,742/SF | vs prior sale +11% |
| 2 | 5/6/2026 | 2 Beds | Resale 5 | $1.4M | $1,336/SF | vs prior sale +4% |
| 1 | 10/6/2025 | 1 Bed | Resale 5 | $1.4M | $1,172/SF | vs prior sale +17% |
| 3 | 9/22/2022 | 1 Bed | Resale 2 | $1.8M | $1,572/SF | vs prior sale +24% |
| 1 | 5/12/2022 | 1 Bed | Resale 4 | $1.1M | $998/SF | vs prior sale +25% |
| 4 | 11/3/2020 | 1 Bed | Resale 1 | $1.3M | $1,153/SF | vs prior sale +97% |
| 3 | 10/30/2019 | 1 Bed | Resale 1 | $1.5M | $1,267/SF | vs prior sale +75% |
| 2 | 11/10/2017 | 2 Beds | Resale 4 | $1.3M | $1,285/SF | vs prior sale +46% |
| 1 | 9/7/2017 | 1 Bed | Resale 3 | $920K | $799/SF | vs prior sale +31% |
| 2 | 6/21/2013 | 2 Beds | Resale 3 | $895K | $879/SF | vs prior sale +15% |
The full Coburn House record
You are seeing the summary. A free account opens the full record.
- All 18 recorded sales
- Every unit's resale chain
- Buyer and seller names
- Financing and recording details
- Condo docs + AI
- Client-ready reports
Free plan. No credit card.
More buildings in Back Bay
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 Coburn House?
18 recorded sales, going back to 2000, of which 14 are resales. This page shows the 10 most recent; a free account shows all of them.
What has Coburn House done over time?
Resales in the building have changed hands at an average of +28.9% against their prior recorded price, after an average hold of 6.1 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.