15 Marlborough St Penthouse, Boston — property record card

Residential Condominium built in 1900 in Boston, assessed at $18,029,100 for fiscal year 2023; last sold for $325,000 on November 1, 2021.

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	15 Marlborough St Penthouse, Boston MA 02116
Map and parcel ID	0502784010 0502784022
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$18,029,100
Land	$0
Total assessed	$18,029,100

Building

Year built	1900
Style	Row Middle
Living area	2,220 ft²
Rooms	5
Stories	1

Last recorded sale

Price	$325,000
Date	November 1, 2021
Deed	Registry of Deeds book 66591, page 145

18 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
15 Marlborough St	0502784010	Other, Open Space	$0	nominal ($9) January 1, 2017
15 Marlborough St 1-PARLOR	0502784014	Residential Condominium	$2,632,300	$2,800,000 September 15, 2014
15 Marlborough St 2	0502784016	Residential Condominium	$3,546,000	nominal ($9) March 11, 2015
15 Marlborough St 3	0502784018	Residential Condominium	$3,514,500	$2,500,000 December 11, 2009
15 Marlborough St 4	0502784020	Residential Condominium	$3,228,200	$4,200,000 July 21, 2021
15 Marlborough St Garden	0502784012	Residential Condominium	$757,300	$3,415,000 August 30, 2004
15 Marlborough St Outdoor	0502784024	CONDO PARKING (RES)	$71,000	$325,000 November 1, 2021
15 Marlborough St Penthouse	0502784022	Residential Condominium	$3,689,800	nominal ($0) August 30, 2004
15 Marlborough St PS-1	0502784025	CONDO PARKING (RES)	$71,000	nominal ($9) January 1, 2017
15 Marlborough St PS-1A	0502784026	CONDO PARKING (RES)	$71,000	nominal ($9) January 1, 2017
15 Marlborough St PS-2	0502784027	CONDO PARKING (RES)	$56,000	nominal ($0) January 1, 2017
15 Marlborough St PS-2A	0502784028	CONDO PARKING (RES)	$56,000	nominal ($0) January 1, 2017
15 Marlborough St PS-3	0502784029	CONDO PARKING (RES)	$56,000	nominal ($0) January 1, 2017
15 Marlborough St PS-3A	0502784030	CONDO PARKING (RES)	$56,000	nominal ($0) January 1, 2017
15 Marlborough St PS-4	0502784031	CONDO PARKING (RES)	$56,000	nominal ($0) January 1, 2017
15 Marlborough St PS-4A	0502784032	CONDO PARKING (RES)	$56,000	nominal ($0) January 1, 2017
15 Marlborough St PS-5	0502784033	CONDO PARKING (RES)	$56,000	$4,200,000 July 21, 2021
15 Marlborough St PS-5A	0502784034	CONDO PARKING (RES)	$56,000	$4,200,000 July 21, 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): 0 active tier-classified 21E sites and 5 sites with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 836% 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 15 Marlborough St Penthouse

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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