503 E First St 3, Boston — property record card

Residential Condominium built in 2010 in Boston, assessed at $8,635,000 for fiscal year 2023; last sold for $1,125,500 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	503 E First St 3, Boston MA 02127
Map and parcel ID	0603364010 0603364016
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$8,635,000
Land	$0
Total assessed	$8,635,000

Building

Year built	2010
Style	Free Standing
Living area	1,664 ft²
Rooms	5
Stories	1

Last recorded sale

Price	$1,125,500
Date	May 6, 2022
Deed	Registry of Deeds book 67604, page 24

10 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
503 E Fifth St	0603364010	Other, Open Space	$0	nominal ($9) May 12, 2011
503 E First St 1	0603364012	Residential Condominium	$642,700	nominal ($1) January 27, 2021
503 E First St 2	0603364014	Residential Condominium	$765,900	nominal ($9) January 11, 2012
503 E First St 3	0603364016	Residential Condominium	$1,130,600	$1,300,000 April 29, 2022
503 E First St 4	0603364018	Residential Condominium	$996,800	$969,000 October 6, 2017
503 E First St 5	0603364020	Residential Condominium	$997,400	$1,125,500 May 6, 2022
503 E First St 6	0603364022	Residential Condominium	$959,200	$950,000 January 15, 2021
503 E First St 7	0603364024	Residential Condominium	$1,102,000	nominal ($9) March 13, 2012
503 E First St 8	0603364026	Residential Condominium	$1,020,900	$920,000 July 15, 2015
503 E First St 9	0603364028	Residential Condominium	$1,019,500	$994,000 November 19, 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): 5 active tier-classified 21E sites and 12 sites with an Activity and Use Limitation. All MassDEP sites in Boston.

What this means

Assessed 348% above the median residential condominium in Boston ($1,926,500, 10,170 parcels).

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 503 E First St 3

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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