40 Commonwealth Av J, Boston — property record card

Residential Condominium built in 1890 in Boston, assessed at $15,817,500 for fiscal year 2023; last sold for $890,000 on October 28, 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	40 Commonwealth Av J, Boston MA 02116
Map and parcel ID	0501208000 0501208020
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$15,817,500
Land	$0
Total assessed	$15,817,500

Building

Year built	1890
Style	Row End
Living area	1,393 ft²
Rooms	4
Stories	1

Last recorded sale

Price	$890,000
Date	October 28, 2021
Deed	Registry of Deeds book 66564, page 187

19 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
38 40 Commonwealth Av PS-1	0501208026	CONDO PARKING (RES)	$54,200	$3,100,000 February 7, 2014
38 40 Commonwealth Av PS-2	0501208028	CONDO PARKING (RES)	$54,200	$2,450,000 June 18, 2019
38 40 Commonwealth Av PS-3	0501208030	CONDO PARKING (RES)	$54,200	nominal ($9) January 2, 2013
38 40 Commonwealth Av PS-4	0501208032	CONDO PARKING (RES)	$54,200	nominal ($9) January 2, 2013
38 40 Commonwealth Av PS-5	0501208034	CONDO PARKING (RES)	$54,200	nominal ($9) January 2, 2013
38 40 Commonwealth Av PS-6	0501208036	CONDO PARKING (RES)	$54,200	nominal ($9) January 2, 2013
40 38 Commonwealth Av	0501208000	Other, Open Space	$0	nominal ($9) January 2, 2013
40 Commonwealth Av A	0501208002	Residential Condominium	$457,400	$495,000 December 21, 2017
40 Commonwealth Av B	0501208004	Residential Condominium	$1,251,300	nominal ($9) July 2, 2015
40 Commonwealth Av C	0501208006	Residential Condominium	$1,376,300	nominal ($9) July 2, 2015
40 Commonwealth Av D	0501208008	Residential Condominium	$744,700	$890,000 October 28, 2021
40 Commonwealth Av E	0501208010	Residential Condominium	$1,602,800	nominal ($9) July 20, 2009
40 Commonwealth Av F	0501208012	Residential Condominium	$1,257,400	nominal ($9) July 20, 2009
40 Commonwealth Av G	0501208014	Residential Condominium	$1,386,700	nominal ($0) January 1, 1987
40 Commonwealth Av H	0501208016	Residential Condominium	$1,470,200	$875,000 October 2, 2003
40 Commonwealth Av I	0501208018	Residential Condominium	$1,273,500	nominal ($0) January 1, 1987
40 Commonwealth Av J	0501208020	Residential Condominium	$2,165,400	$2,450,000 June 18, 2019
40 Commonwealth Av K	0501208022	Residential Condominium	$1,147,400	$1,650,000 June 14, 2016
40 Commonwealth Av L	0501208024	Residential Condominium	$1,359,200	$1,075,000 October 29, 2010

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): 3 active tier-classified 21E sites and 5 sites with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 721% 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 40 Commonwealth Av J

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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