4 Monument Sq 2, Boston — property record card

Residential Condominium built in 1850 in Boston, assessed at $6,367,100 for fiscal year 2023; last sold for $1,105,000 on May 16, 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	4 Monument Sq 2, Boston MA 02129
Map and parcel ID	0203387000 0203387004
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$6,367,100
Land	$0
Total assessed	$6,367,100

Building

Year built	1850
Style	Row End
Living area	1,780 ft²
Rooms	6
Stories	2

Last recorded sale

Price	$1,105,000
Date	May 16, 2022
Deed	Registry of Deeds book 67650, page 296

7 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
4 Monument Sq	0203387000	Other, Open Space	$0	nominal ($0) January 1, 1987
4 Monument Sq 1	0203387002	Residential Condominium	$668,000	$835,000 June 15, 2018
4 Monument Sq 2	0203387004	Residential Condominium	$1,858,900	$1,850,000 August 1, 2019
4 Monument Sq 3	0203387006	Residential Condominium	$680,100	nominal ($9) September 30, 1997
4 Monument Sq 4	0203387008	Residential Condominium	$1,026,000	$1,105,000 May 16, 2022
4 Monument Sq 5	0203387010	Residential Condominium	$1,062,400	$1,025,000 August 28, 2019
4 Monument Sq 6	0203387012	Residential Condominium	$1,071,700	$595,000 March 5, 2004

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 1 site with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 231% 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 4 Monument Sq 2

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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