23 Bay State Rd 9, Boston — property record card

Residential Condominium built in 1890 in Boston, assessed at $12,879,900 for fiscal year 2023; last sold for $731,000 on June 10, 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	23 Bay State Rd 9, Boston MA 02215
Map and parcel ID	0503714000 0503714022
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$12,879,900
Land	$0
Total assessed	$12,879,900

Building

Year built	1890
Style	Row Middle
Living area	1,986 ft²
Rooms	6
Stories	2

Last recorded sale

Price	$731,000
Date	June 10, 2022
Deed	Registry of Deeds book 67782, page 233

13 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
21 23 Bay State Rd	0503714000	Other, Open Space	$0	nominal ($0) January 1, 1987
21 Bay State Rd B	0503714002	OFFICE CONDO	$643,400	$1,750,000 October 1, 2021
23 Bay State Rd 1	0503714006	Residential Condominium	$664,800	$720,000 May 31, 2018
23 Bay State Rd 2	0503714008	Residential Condominium	$790,000	nominal ($9) January 30, 2013
23 Bay State Rd 3	0503714010	Residential Condominium	$1,066,500	$715,000 July 10, 2008
23 Bay State Rd 4	0503714012	Residential Condominium	$1,086,200	$875,000 May 1, 2015
23 Bay State Rd 5	0503714014	Residential Condominium	$622,000	$731,000 June 10, 2022
23 Bay State Rd 6	0503714016	Residential Condominium	$806,800	$575,000 June 28, 2013
23 Bay State Rd 7	0503714018	Residential Condominium	$1,142,000	$700,000 August 24, 2012
23 Bay State Rd 8	0503714020	Residential Condominium	$1,742,000	$1,175,000 December 19, 2008
23 Bay State Rd 9	0503714022	Residential Condominium	$1,949,000	$875,000 December 17, 2002
23 Bay State Rd A-1	0503714024	Residential Condominium	$1,210,300	nominal ($0) January 8, 2008
23 Bay State Rd A-2	0503714026	Residential Condominium	$1,156,900	nominal ($0) January 8, 2008

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): 0 active tier-classified 21E sites and 7 sites with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 569% 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 23 Bay State Rd 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)

Order the report