421 Main St 1, Boston — property record card

Residential Condominium built in 1899 in Boston, assessed at $2,306,600 for fiscal year 2023; last sold for $700,000 on November 15, 2021.

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	421 Main St 1, Boston MA 02129
Map and parcel ID	0201154000 0201154002
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$2,306,600
Land	$0
Total assessed	$2,306,600

Building

Year built	1899
Style	Row End
Living area	1,661 ft²
Rooms	5
Stories	2

Last recorded sale

Price	$700,000
Date	November 15, 2021
Deed	Registry of Deeds book 66668, page 175

4 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
421 Main St	0201154000	Other, Open Space	$0	nominal ($0) April 23, 2003
421 Main St 1	0201154002	Residential Condominium	$902,400	$500,000 May 30, 2003
421 Main St 2	0201154004	Residential Condominium	$681,800	$395,500 February 16, 2010
421 Main St 3	0201154006	Residential Condominium	$722,400	$700,000 November 15, 2021

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

What this means

Assessed 20% 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 421 Main St 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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