255 Marlborough Street
Back Bay, Boston · 255 Marlborough St · Deed-verified
255 Marlborough Street in Back Bay, Boston has 8 recorded condominium sales dating back to 2009. Over the last five years, its median sale price is $4.7M and its median price per square foot is $1,644. Every figure below is drawn from recorded deeds — not listings, not estimates.
255 Marlborough Street is one of 508 condo buildings CURVE covers in Back Bay, where the median building recorded $1,278 per square foot over the last five years. By that measure it ranks #30 of 185 in the neighborhood.
The record
Sales activity
Recorded sales by year
Every deed recorded in 255 Marlborough Street, 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 | 8/13/2026 | 3 Beds | Resale 3 | $3.6M | $1,281/SF | vs prior sale +18% |
| 3 | 9/2/2025 | 3 Beds | Resale 1 | $4.8M | $1,764/SF | vs prior sale +66% |
| 2 | 5/15/2023 | 3 Beds | Resale 1 | $4.7M | $1,644/SF | vs prior sale +51% |
| 1 | 7/21/2016 | 3 Beds | Resale 2 | $3.1M | $1,088/SF | vs prior sale +11% |
| 1 | 4/10/2014 | 3 Beds | Resale 1 | $2.8M | $982/SF | vs prior sale +47% |
| 1 | 2/25/2011 | 3 Beds | Developer Sale | $1.9M | $667/SF | — |
| 3 | 1/19/2010 | 3 Beds | Developer Sale | $2.9M | $1,060/SF | — |
| 2 | 5/29/2009 | 3 Beds | Developer Sale | $3.1M | $1,088/SF | — |
The full 255 Marlborough Street record
You are seeing the summary. Members see the deeds.
- All 8 recorded sales
- Every unit's resale chain
- Buyer & seller names
- Financing & deed citations
- Condo docs + AI
- Client-ready reports
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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 255 Marlborough Street?
8 recorded sales, going back to 2009, of which 5 are resales. This page shows the 8 most recent; members see all of them.
What has 255 Marlborough Street done over time?
Resales in the building have changed hands at an average of +38.7% against their prior recorded price, after an average hold of 9.0 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.