100 Webster St 100-R, Boston — property record card

Residential Condominium built in 1950 in Boston, assessed at $4,374,800 for fiscal year 2023; last sold for $785,000 on April 1, 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 Webster St 100-R, Boston MA 02128
Map and parcel ID	0104819000 0104819008
Use	Residential Condominium (use code 102)
County	Suffolk

Valuation — fiscal year 2023

Building	$4,374,800
Land	$0
Total assessed	$4,374,800

Building

Year built	1950
Style	Semi-Det
Living area	1,752 ft²
Rooms	5
Stories	3

Last recorded sale

Price	$785,000
Date	April 1, 2022
Deed	Registry of Deeds book 67422, page 234

9 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 Webster St	0104819000	Other, Open Space	$0	nominal ($0) April 26, 2018
100 Webster St 100-1	0104819002	Residential Condominium	$571,500	$620,000 August 21, 2018
100 Webster St 100-2	0104819004	Residential Condominium	$587,000	$600,000 July 5, 2018
100 Webster St 100-3	0104819006	Residential Condominium	$616,800	$654,755 July 30, 2018
100 Webster St 100-R	0104819008	Residential Condominium	$739,100	$799,000 August 22, 2018
102 Webster St	0104819010	Other, Open Space	$0	nominal ($0) April 26, 2018
102 Webster St 102-1	0104819012	Residential Condominium	$619,500	$649,900 May 1, 2018
102 Webster St 102-2	0104819014	Residential Condominium	$599,400	$636,000 June 8, 2018
102 Webster St 102-3	0104819016	Residential Condominium	$641,500	$785,000 April 1, 2022

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 127% 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 Webster St 100-R

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