12 Concord Sq 1, Boston — property record card

Residential Condominium built in 1890 in Boston, assessed at $2,816,000 for fiscal year 2023; last sold for $753,275 on July 29, 2022.

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

Parcel

Location	12 Concord Sq 1, Boston MA 02118
Map and parcel ID	0402648000 0402648002
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$2,816,000
Land	$0
Total assessed	$2,816,000

Building

Year built	1890
Style	Row Middle
Living area	1,425 ft²
Rooms	5
Stories	2

Last recorded sale

Price	$753,275
Date	July 29, 2022
Deed	Registry of Deeds book 68012, page 306

5 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
12 Concord Sq	0402648000	Other, Open Space	$0	nominal ($0) January 1, 1987
12 Concord Sq 1	0402648002	Residential Condominium	$968,100	nominal ($9) June 25, 1992
12 Concord Sq 2	0402648004	Residential Condominium	$528,400	$317,100 September 15, 2006
12 Concord Sq 3	0402648006	Residential Condominium	$629,200	$185,000 October 10, 2017
12 Concord Sq 4	0402648008	Residential Condominium	$690,300	$753,275 July 29, 2022

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): 6 active tier-classified 21E sites and 6 sites with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 46% above the median residential condominium in Boston ($1,926,500, 10,170 parcels).
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: Boston assessor file for fiscal year 2023, 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 12 Concord Sq 1

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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