311 Commonwealth Av 70, Boston — property record card

Residential Condominium built in 1870 in Boston, assessed at $15,015,700 for fiscal year 2023; last transferred October 14, 2022 for a nominal sum.

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	311 Commonwealth Av 70, Boston MA 02115
Map and parcel ID	0503575000 0503575060
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$15,015,700
Land	$0
Total assessed	$15,015,700

Building

Year built	1870
Style	Mid Rise
Living area	1,050 ft²
Rooms	5
Stories	1

Last recorded sale

Price	nominal ($100)
Date	October 14, 2022
Deed	Registry of Deeds book 68312, page 308

16 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
311 Commonwealth Av	0503575000	Other, Open Space	$0	nominal ($0) January 1, 1987
311 Commonwealth Av 10	0503575005	OFFICE CONDO	$363,500	$719,200 February 24, 2012
311 Commonwealth Av 20	0503575010	Residential Condominium	$1,057,900	$760,000 September 29, 2010
311 Commonwealth Av 21	0503575015	Residential Condominium	$930,600	nominal ($1) March 25, 2020
311 Commonwealth Av 30	0503575020	Residential Condominium	$1,010,400	$850,000 October 14, 2016
311 Commonwealth Av 31	0503575025	Residential Condominium	$965,800	$400,000 July 29, 1999
311 Commonwealth Av 40	0503575030	Residential Condominium	$991,000	$1,700,000 June 14, 2022
311 Commonwealth Av 41	0503575035	Residential Condominium	$966,600	$1,325,000 February 28, 2018
311 Commonwealth Av 50	0503575040	Residential Condominium	$1,115,700	$1,670,000 May 10, 2022
311 Commonwealth Av 51	0503575045	Residential Condominium	$1,089,000	$1,300,000 October 27, 2016
311 Commonwealth Av 60	0503575050	Residential Condominium	$1,012,800	nominal ($9) November 13, 2015
311 Commonwealth Av 61	0503575055	Residential Condominium	$1,039,500	$1,456,000 July 24, 2020
311 Commonwealth Av 70	0503575060	Residential Condominium	$1,452,000	$1,300,000 May 23, 2018
311 Commonwealth Av 71	0503575065	Residential Condominium	$1,013,500	nominal ($100) October 14, 2022
311 Commonwealth Av 80	0503575070	Residential Condominium	$995,400	nominal ($9) September 22, 2009
311 Commonwealth Av 81	0503575075	Residential Condominium	$1,012,000	$1,702,500 June 30, 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): 1 active tier-classified 21E site and 6 sites with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 679% above the median residential condominium in Boston ($1,926,500, 10,170 parcels).
The last deed was recorded for a nominal sum: a transfer between family members, into a trust or a similar non-market sale. It says nothing about the market value.
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 311 Commonwealth Av 70

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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