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Deed-verified record

518-520 Putnam Avenue

Cambridge, Boston · 518-520 Putnam Avenue

518-520 Putnam Avenue in Cambridge, Boston has 13 recorded condominium sales dating back to 2004, a median sale price of $285K and an average of $560 per square foot. Every figure below is drawn from recorded deeds — not listings, not estimates.

518-520 Putnam Avenue is one of 200 condo buildings CURVE covers in Cambridge, where the median recorded price is $511 per square foot. By that measure it ranks #96 of 197 in the neighborhood.

13Recorded sales
14Units
$285KMedian price
$560Avg $/SF

The record

$4.3MTotal volume
$333KAvg sale price
$590KHighest sale
13Resales
4.4 yrsAvg hold
+30.6%Avg appreciation
9/1/2004First close
7/31/2025Latest close

Sales activity

Recorded sales by year

Every deed recorded in 518-520 Putnam Avenue, by year, with that year's median price.

20$590K$133K200420142025
Sales recorded
Median price

Sales by price point

How 13 recorded sales distribute across the price ladder.

Under $1M
13
13 sales classified

Unit mix sold

Bedroom count across recorded sales.

1 Bed
11
2 Beds
2

10 most recent sales

UnitDateBedsTypePrice$/SFChange
77/31/20251 BedResale 2$195K$385+47%
76/12/20241 BedResale 1$133K$262
B6/15/20222 BedsResale 1$590K$878
23/3/20211 BedResale 2$590K$714+37%
94/4/20181 BedResale 1$508K$973
27/16/20151 BedResale 1$430K$521
610/23/20141 BedResale 3$358K$685+59%
47/3/20132 BedsResale 1$308K$378
118/21/20121 BedResale 2$285K$563+21%
33/12/20121 BedResale 1$224K$533
3 more recorded sales in 518-520 Putnam AvenuePlus every unit's complete resale chain, buyer and seller names, financing, and the deed citation behind each figure.

The full 518-520 Putnam Avenue record

You are seeing the summary. Members see the deeds.

All 13 recorded salesEvery unit's resale chainBuyer & seller namesFinancing & deed citationsCondo docs + AIClient-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 518-520 Putnam Avenue?

13 recorded sales, going back to 2004, of which 13 are resales. This page shows the 10 most recent; members see all of them.

What has 518-520 Putnam Avenue done over time?

Resales in the building have changed hands at an average of +30.6% against their prior recorded price, after an average hold of 4.4 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.