250 School St, Watertown — property record card

Residential Condominium built in 1898 in Watertown, assessed at $2,424,200 for fiscal year 2026; last sold for $1,290,000 on June 23, 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	250 School St
Map and parcel ID	1126 3 22 1126 3 22B
Use	Residential Condominium (use code 1020)
County	Middlesex

Valuation — fiscal year 2026

Building	$2,354,400
Land	$0
Other	$69,800
Total assessed	$2,424,200

Building

Year built	1898
Style	CONDO CONV
Living area	3,017 ft²
Rooms	9
Units	2

Last recorded sale

Price	$1,290,000
Date	June 23, 2025
Deed	Registry of Deeds book 84262, page 304

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
248 School St	1126 3 22A	Residential Condominium	$1,191,500	$1,190,000 November 19, 2021
250 School St	1126 3 22B	Residential Condominium	$1,232,700	$1,290,000 June 23, 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): 1 active tier-classified 21E site and 0 sites with an Activity and Use Limitation. All MassDEP sites in Watertown.

What this means

Assessed 66% above the median residential condominium in Watertown ($1,461,700, 975 parcels).
The last sale price is 47% 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 250 School St

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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