109 Warren St #11, Watertown — property record card

Residential Condominium built in 1957 in Watertown, assessed at $4,162,300 for fiscal year 2026; last sold for $415,000 on June 20, 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	109 Warren St #11
Map and parcel ID	514 4 1072 514 4 1082
Use	Residential Condominium (use code 1020)
County	Middlesex

Valuation — fiscal year 2026

Building	$4,162,300
Land	$0
Total assessed	$4,162,300

Building

Year built	1957
Style	CONDO-FLAT
Living area	600 ft²
Rooms	4
Units	11

Last recorded sale

Price	$415,000
Date	June 20, 2025
Deed	Registry of Deeds book 175, page 32

11 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
109 Warren St 1	514 4 1072	Residential Condominium	$376,200	$181,000 April 24, 2007
109 Warren St 3	514 4 1074	Residential Condominium	$376,200	$164,500 June 18, 2012
109 Warren St 4	514 4 1075	Residential Condominium	$376,200	$259,500 April 1, 2016
109 Warren St #2	514 4 1073	Residential Condominium	$376,200	nominal ($0) September 3, 1981
109 Warren St #5	514 4 1076	Residential Condominium	$376,200	$101,000 December 23, 1998
109 Warren St #6	514 4 1077	Residential Condominium	$376,200	$75,000 February 19, 1997
109 Warren St #7	514 4 1078	Residential Condominium	$381,400	nominal ($100) September 20, 2024
109 Warren St #8	514 4 1079	Residential Condominium	$376,200	nominal ($0) October 23, 1987
109 Warren St #9	514 4 1080	Residential Condominium	$376,200	$62,000 September 30, 1993
109 Warren St #10	514 4 1081	Residential Condominium	$376,200	$305,000 May 6, 2019
109 Warren St #11	514 4 1082	Residential Condominium	$395,100	$415,000 June 20, 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): 0 active tier-classified 21E sites and 1 site with an Activity and Use Limitation. All MassDEP sites in Watertown.

What this means

Assessed 185% above the median residential condominium in Watertown ($1,461,700, 975 parcels).
The last sale price is 90% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.
Built before 1978: the Massachusetts Lead Law applies when a child under six lives there; ask for any lead inspection or letter of compliance.

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 109 Warren St #11

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)

Order the report