100 A St 9, Boston — property record card

Residential Condominium built in 1930 in Boston, assessed at $15,960,800 for fiscal year 2023; last sold for $1,800,000 on May 6, 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	100 A St 9, Boston MA 02127
Map and parcel ID	0601192000 0601192020
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$15,960,800
Land	$0
Total assessed	$15,960,800

Building

Year built	1930
Style	Low Rise
Living area	3,827 ft²
Rooms	8
Stories	1

Last recorded sale

Price	$1,800,000
Date	May 6, 2022
Deed	Registry of Deeds book 67610, page 252

11 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
100 A St	0601192000	Other, Open Space	$0	nominal ($0) January 18, 2019
100 A St 1	0601192004	Residential Condominium	$1,299,100	$1,290,000 December 27, 2019
100 A St 2	0601192006	Residential Condominium	$1,404,600	$1,475,000 July 15, 2019
100 A St 3	0601192008	Residential Condominium	$1,384,300	$1,380,000 December 13, 2019
100 A St 4	0601192010	Residential Condominium	$1,391,300	$1,475,000 March 22, 2021
100 A St 5	0601192012	Residential Condominium	$1,528,800	$1,538,500 November 18, 2019
100 A St 6	0601192014	Residential Condominium	$1,642,900	$1,800,000 May 6, 2022
100 A St 7	0601192016	Residential Condominium	$1,972,500	nominal ($1) January 20, 2022
100 A St 8	0601192018	Residential Condominium	$1,716,000	nominal ($100) February 3, 2021
100 A St 9	0601192020	Residential Condominium	$3,505,600	$3,700,000 October 31, 2019
100 A St C-1	0601192002	Miscellaneous Public Services - professional membership organizations, business associations, etc	$115,700	$465,000 December 6, 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): 14 active tier-classified 21E sites and 27 sites with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 728% 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 100 A St 9

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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