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Deed-verified record

The Clarendon

Back Bay, Boston · 400 Stuart St

The Clarendon in Back Bay, Boston has 232 recorded condominium sales dating back to 2009, a median sale price of $1.8M and an average of $1,432 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.

The Clarendon 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 #28 of 427 in the neighborhood.

232Recorded sales
103Units
$1.8MMedian price
$1,432Avg $/SF

The record

$499.7MTotal volume
$2.2MAvg sale price
$9.3MHighest sale
130Resales
5.6 yrsAvg hold
+25.7%Avg appreciation
12/16/2009First close
6/30/2026Latest close

Sales activity

Recorded sales by year

Every deed recorded in The Clarendon, by year, with that year's median price.

410$3.4M$721K200920172026
Sales recorded
Median price

Sales by price point

How 232 recorded sales distribute across the price ladder.

Under $1M
36
$1M–$3M
153
$3M–$5M
32
$5M–$8M
8
$8M+
3
232 sales classified

Unit mix sold

Bedroom count across recorded sales.

Studio
10
1 Bed
59
2 Beds
105
3 Beds
52
4 Beds
6

10 most recent sales

UnitDateBedsTypePrice$/SFChange
16E6/30/20262 BedsResale 1$2.8M$1,780+63%
17B5/29/20262 BedsResale 4$2.2M$1,760+11%
23E5/15/20263 BedsResale 1$3.9M$1,966+50%
16J5/1/20262 BedsResale 2$2.1M$1,886+4%
17C10/30/20252 BedsResale 3$1.7M$1,422+1%
18F7/16/20251 BedResale 4$1.1M$1,383+23%
21D7/15/20252 BedsResale 1$2.6M$1,689+61%
15G7/9/20251 BedResale 2$1.0M$1,436+21%
18B7/2/20252 BedsResale 1$2.0M$1,660+34%
17H7/1/20251 BedResale 3$1.2M$1,588+5%
222 more recorded sales in The ClarendonPlus every unit's complete resale chain, buyer and seller names, financing, and the deed citation behind each figure.

The full Clarendon record

You are seeing the summary. Members see the deeds.

All 232 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 The Clarendon?

232 recorded sales, going back to 2009, of which 130 are resales. This page shows the 10 most recent; members see all of them.

What has The Clarendon done over time?

Resales in the building have changed hands at an average of +25.7% against their prior recorded price, after an average hold of 5.6 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.