12 Walnut St 2, Boston — property record card

Residential Condominium built in 1860 in Boston, assessed at $4,363,500 for fiscal year 2023; last sold for $1,550,000 on October 3, 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	12 Walnut St 2, Boston MA 02108
Map and parcel ID	0501614000 0501614004
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$4,363,500
Land	$0
Total assessed	$4,363,500

Building

Year built	1860
Style	Row End
Living area	1,050 ft²
Rooms	4
Stories	1

Last recorded sale

Price	$1,550,000
Date	October 3, 2022
Deed	Registry of Deeds book 68275, page 74

6 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
12 Walnut St	0501614000	Other, Open Space	$0	nominal ($0) January 1, 1987
12 Walnut St 1	0501614002	Residential Condominium	$707,100	nominal ($9) May 21, 2015
12 Walnut St 2	0501614004	Residential Condominium	$1,049,800	$1,075,000 February 21, 2017
12 Walnut St 3	0501614006	Residential Condominium	$987,900	$1,550,000 October 3, 2022
12 Walnut St 4	0501614008	Residential Condominium	$816,200	$800,000 October 10, 2019
12 Walnut St 5	0501614010	Residential Condominium	$802,500	$857,000 November 17, 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): 2 active tier-classified 21E sites and 4 sites with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 126% 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 12 Walnut St 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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