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Deed-verified record

80 Marlborough

Back Bay, Boston · 80 Marlborough St

80 Marlborough in Back Bay, Boston has 22 recorded condominium sales dating back to 2002, a median sale price of $610K and an average of $916 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.

80 Marlborough is one of 430 condo buildings CURVE covers in Back Bay, where the median recorded price is $769 per square foot. By that measure it ranks #165 of 427 in the neighborhood.

22Recorded sales
8Units
$610KMedian price
$916Avg $/SF

The record

$13.9MTotal volume
$631KAvg sale price
$1.1MHighest sale
15Resales
5.9 yrsAvg hold
+13.8%Avg appreciation
12/17/2002First close
1/8/2026Latest close

Sales activity

Recorded sales by year

Every deed recorded in 80 Marlborough, by year, with that year's median price.

40$1.1M$375K200220092026
Sales recorded
Median price

Sales by price point

How 22 recorded sales distribute across the price ladder.

Under $1M
20
$1M–$3M
2
22 sales classified

Unit mix sold

Bedroom count across recorded sales.

Studio
8
1 Bed
14

10 most recent sales

UnitDateBedsTypePrice$/SFChange
21/8/20261 BedResale 5$1.1M$1,467+7%
45/31/2024StudioResale 1$620K$1,432+2%
212/14/20231 BedResale 4$1.1M$1,371+10%
510/1/2020StudioResale 2$542K$1,266+50%
27/31/20201 BedResale 3$970K$1,248+7%
211/23/20161 BedResale 2$910K$1,171+42%
311/8/20131 BedResale 1$771K$884+26%
18/15/20131 BedResale 2$619K$621+12%
17/27/20091 BedResale 1$555K$557-7%
58/22/2008StudioResale 1$362K$846+13%
12 more recorded sales in 80 MarlboroughPlus every unit's complete resale chain, buyer and seller names, financing, and the deed citation behind each figure.

The full 80 Marlborough record

You are seeing the summary. Members see the deeds.

All 22 recorded salesEvery unit's resale chainBuyer & seller namesFinancing & deed citationsCondo docs + AIClient-ready reports

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More buildings in Back Bay

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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 80 Marlborough?

22 recorded sales, going back to 2002, of which 15 are resales. This page shows the 10 most recent; members see all of them.

What has 80 Marlborough done over time?

Resales in the building have changed hands at an average of +13.8% against their prior recorded price, after an average hold of 5.9 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.