133 Warren St #6, Watertown — property record card

Residential Condominium built in 1957 in Watertown, assessed at $4,194,600 for fiscal year 2026; last sold for $380,000 on July 22, 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	133 Warren St #6
Map and parcel ID	514 4 1094 514 4 1099
Use	Residential Condominium (use code 1020)
County	Middlesex

Valuation — fiscal year 2026

Building	$4,184,600
Land	$0
Other	$10,000
Total assessed	$4,194,600

Building

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

Last recorded sale

Price	$380,000
Date	July 22, 2025
Deed	Registry of Deeds book 175, page 133

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
133 Warren St 1	514 4 1094	Residential Condominium	$376,200	$362,000 November 2, 2022
133 Warren St 3	514 4 1096	Residential Condominium	$376,200	$256,000 June 9, 2017
133 Warren St 4	514 4 1097	Residential Condominium	$376,200	$234,000 December 15, 2017
133 Warren St 5	514 4 1098	Residential Condominium	$376,200	nominal ($100) June 21, 2018
133 Warren St 8	514 4 1101	Residential Condominium	$376,200	nominal ($1) September 19, 2023
133 Warren St 9	514 4 1102	Residential Condominium	$376,200	nominal ($0) July 12, 1985
133 Warren St 10	514 4 1103	Residential Condominium	$398,900	$359,900 November 16, 2021
133 Warren St #2	514 4 1095	Residential Condominium	$376,200	nominal ($1) March 4, 2025
133 Warren St #6	514 4 1099	Residential Condominium	$409,900	nominal ($1) November 16, 2021
133 Warren St #7	514 4 1100	Residential Condominium	$376,200	$108,000 June 17, 1999
133 Warren St #11	514 4 1104	Residential Condominium	$376,200	$380,000 July 22, 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 187% above the median residential condominium in Watertown ($1,461,700, 975 parcels).
The last sale price is 91% 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 133 Warren St #6

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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