431 Marlborough Street

Back Bay, Boston · 431 MARLBOROUGH ST · From recorded sales

431 Marlborough Street in Back Bay, Boston has 8 recorded condominium sales dating back to 2014. Every figure below comes from recorded sales and transfers, not listings or estimates.

8Recorded sales
3Units
—Median price (5 yr)
—Median $/SF (5 yr)

The record

$21.8MTotal volume
$2.7MAll-time avg price
$4.2MHighest sale
5Resales
4.5 yrsAvg hold
+10.2%Avg appreciation
6/13/2014First close
3/18/2025Latest close

Sales activity

Recorded sales by year

Every sale recorded in 431 Marlborough Street, by year, with that year's median price.

2014: 2 recorded sales, median $2.1M2017: 1 recorded sale, median $3.7M2018: 2 recorded sales, median $2.4M2020: 1 recorded sale, median $3.3M2023: 1 recorded sale, median $1.6M2025: 1 recorded sale, median $4.2M20$4.2M$1.6M201420182025
Sales recorded
Median price

Sales by price point

How 8 recorded sales distribute across the price ladder.

$1M–$3M
4
$3M–$5M
4
8 sales classified

Unit mix sold

Bedroom count across recorded sales.

2 Beds
3
3 Beds
5

8 most recent sales

UnitDateBedsTypePrice$/SFChange
33/18/20253 BedsResale 2$4.2M$1,365/SFvs prior sale +29%
27/14/20232 BedsResale 2$1.6M$1,277/SFvs prior sale +2%
12/18/20203 BedsResale 1$3.3M$1,301/SFvs prior sale +18%
33/27/20183 BedsResale 1$3.3M$1,056/SFvs prior sale -12%
22/15/20182 BedsResale 1$1.6M$1,249/SFvs prior sale +13%
34/12/20173 BedsDeveloper Sale$3.7M$1,196/SF—
19/8/20143 BedsDeveloper Sale$2.8M$1,100/SF—
26/13/20142 BedsDeveloper Sale$1.4M$1,108/SF—

The full 431 Marlborough Street record

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  • Every unit's resale chain
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  • Financing and recording details
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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 431 Marlborough Street?

8 recorded sales, going back to 2014, of which 5 are resales. This page shows the 8 most recent; a free account shows all of them.

What has 431 Marlborough Street done over time?

Resales in the building have changed hands at an average of +10.2% against their prior recorded price, after an average hold of 4.5 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.

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