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Deed-verified record

388 Marlborough

Back Bay, Boston · 388 Marlborough St

388 Marlborough in Back Bay, Boston has 19 recorded condominium sales dating back to 1981, a median sale price of $417K and an average of $771 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.

388 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 #318 of 427 in the neighborhood.

19Recorded sales
9Units
$417KMedian price
$771Avg $/SF

The record

$9.6MTotal volume
$507KAvg sale price
$1.3MHighest sale
11Resales
9.1 yrsAvg hold
+172.8%Avg appreciation
1/21/1981First close
2/11/2026Latest close

Sales activity

Recorded sales by year

Every deed recorded in 388 Marlborough, by year, with that year's median price.

30$835K$43K198120062026
Sales recorded
Median price

Sales by price point

How 19 recorded sales distribute across the price ladder.

Under $1M
18
$1M–$3M
1
19 sales classified

Unit mix sold

Bedroom count across recorded sales.

Studio
2
1 Bed
13
2 Beds
4

10 most recent sales

UnitDateBedsTypePrice$/SFChange
52/11/20261 BedDeveloper Sale$610K$1,101
19/13/2021StudioResale 1$495K$1,431+24%
83/9/20201 BedResale 2$715K$1,329+13%
15/17/2019StudioDeveloper Sale$400K$1,156
98/10/20182 BedsResale 3$1.3M$936+62%
63/28/20181 BedResale 4$625K$1,038+50%
81/5/20181 BedResale 1$635K$1,180+96%
72/15/20171 BedResale 1$620K$1,069+1350%
29/6/20121 BedDeveloper Sale$316K$612
98/16/20122 BedsResale 2$785K$576-6%
9 more recorded sales in 388 MarlboroughPlus every unit's complete resale chain, buyer and seller names, financing, and the deed citation behind each figure.

The full 388 Marlborough record

You are seeing the summary. Members see the deeds.

All 19 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 388 Marlborough?

19 recorded sales, going back to 1981, of which 11 are resales. This page shows the 10 most recent; members see all of them.

What has 388 Marlborough done over time?

Resales in the building have changed hands at an average of +172.8% against their prior recorded price, after an average hold of 9.1 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.