308 Commonwealth Av K, Boston — property record card

Residential Condominium built in 1899 in Boston, assessed at $24,546,500 for fiscal year 2023; last sold for $2,225,000 on January 26, 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	308 Commonwealth Av K, Boston MA 02115
Map and parcel ID	0503068000 0503068024
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$24,546,500
Land	$0
Total assessed	$24,546,500

Building

Year built	1899
Style	Row Middle
Living area	1,940 ft²
Rooms	8
Stories	1

Last recorded sale

Price	$2,225,000
Date	January 26, 2022
Deed	Registry of Deeds book 67077, page 118

14 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
308 310 Commonwealth Av	0503068000	Other, Open Space	$0	nominal ($0) January 1, 1987
308 Commonwealth Av A	0503068004	Residential Condominium	$1,775,500	nominal ($9) July 14, 2000
308 Commonwealth Av B	0503068006	Residential Condominium	$1,764,400	$665,000 January 8, 1999
308 Commonwealth Av B-1	0503068002	Residential Condominium	$658,800	$489,000 September 8, 2003
308 Commonwealth Av C	0503068008	Residential Condominium	$2,089,200	$2,225,000 January 26, 2022
308 Commonwealth Av D	0503068010	Residential Condominium	$2,052,700	$1,575,000 July 18, 2012
308 Commonwealth Av E	0503068012	Residential Condominium	$2,056,900	nominal ($9) October 25, 2018
308 Commonwealth Av F	0503068014	Residential Condominium	$1,994,400	$1,049,000 March 15, 2012
308 Commonwealth Av G	0503068016	Residential Condominium	$1,965,000	$1,245,000 June 16, 2011
308 Commonwealth Av H	0503068018	Residential Condominium	$2,093,300	nominal ($9) September 27, 2017
308 Commonwealth Av I	0503068020	Residential Condominium	$1,907,300	nominal ($9) July 20, 2015
308 Commonwealth Av J	0503068022	Residential Condominium	$1,972,000	nominal ($9) December 31, 1998
308 Commonwealth Av K	0503068024	Residential Condominium	$2,174,800	nominal ($1) June 24, 2019
308 Commonwealth Av L	0503068026	Residential Condominium	$2,042,200	$2,090,000 December 13, 2019

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 1174% 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 308 Commonwealth Av K

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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