151 Summer St 155 #153, Watertown — property record card

Residential Condominium built in 1874 in Watertown, assessed at $2,312,200 for fiscal year 2026; last sold for $1,065,000 on May 12, 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	151 Summer St 155 #153
Map and parcel ID	323 1 14P 323 1 14PB
Use	Residential Condominium (use code 1020)
County	Middlesex

Valuation — fiscal year 2026

Building	$2,294,300
Land	$0
Other	$17,900
Total assessed	$2,312,200

Building

Year built	1874
Style	CONDO CONV
Living area	2,535 ft²
Rooms	7
Units	3

Last recorded sale

Price	$1,065,000
Date	May 12, 2025
Deed	Registry of Deeds book 84076, page 177

3 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
151 Summer St 155 #151	323 1 14P	Residential Condominium	$696,100	$719,000 December 18, 2024
151 Summer St 155 #153	323 1 14PB	Residential Condominium	$1,000,900	$1,065,000 May 12, 2025
151 Summer St 155 #155	323 1 14PB2	Residential Condominium	$615,200	nominal ($1) August 7, 2024

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 58% above the median residential condominium in Watertown ($1,461,700, 975 parcels).
The last sale price is 54% 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 151 Summer St 155 #153

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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