615 Arsenal St #2, Watertown — property record card

Parcel built in 2001 in Watertown, assessed at $43,128,100 for fiscal year 2026; last sold for $72,000,000 on April 2, 2025.

Rebuilt from the Watertown assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Watertown assessor’s office.

Parcel

Location	615 Arsenal St #2
Map and parcel ID	1301 2 1
County	Middlesex

Valuation — fiscal year 2026

Building	$42,136,400
Land	$0
Other	$991,700
Total assessed	$43,128,100

Building

Year built	2001
Style	CONDO-RTL
Living area	157,200 ft²
Units	2

Last recorded sale

Price	$72,000,000
Date	April 2, 2025
Deed	Registry of Deeds book 83927, page 381

2 assessor accounts on this parcel

Condominium units or several buildings share one parcel; each has its own assessment.

Address	Account	Use	Assessed	Last sale
615 Arsenal St 1 #1	1301 2 1A		$9,050,600	nominal ($10) August 9, 2022
615 Arsenal St #2	1301 2 1		$34,077,500	$72,000,000 April 2, 2025

What MassDEP has recorded

No tier-classified 21E site and no Activity and Use Limitation is mapped on this parcel.

Within about 500 m (a third of a mile): 2 active tier-classified 21E sites and 5 sites with an Activity and Use Limitation. All MassDEP sites in Watertown.

What this means

The last sale price is 67% above the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.

Point at the centre of the assessor parcel — not a survey.

Data: Watertown assessor file for fiscal year 2026, via MassGIS, retrieved October 30, 2026; MassDEP sites retrieved the same day. Sources and freshness. No owner names are published.

First page of a sample Massachusetts Property Report

The report for 615 Arsenal St #2

This page shows the assessor record and the MassDEP sites on the parcel. The report adds what lies around it: FEMA flood zone, wetlands, Zone II and other water supply protection areas, priority habitat, sewer or septic service, protected open space, and every 21E site within half a mile.

$19card · PDF within 24 h · you pay after receiving itSee the sample (PDF)

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