20 St Paul St #3, Cambridge — property record card

Residential Condominium built in 1903 in Cambridge, assessed at $2,600,000 for fiscal year 2026; last sold for $1,175,000 on July 8, 2025.

Rebuilt from the Cambridge assessor file as published by MassGIS — not the official card. For the official card, with owner, photo and sketch, ask the Cambridge assessor’s office.

Parcel

Location	20 St Paul St #3
Map and parcel ID	107-120 107-120-3
Use	Residential Condominium (use code 102)
County	Middlesex

Valuation — fiscal year 2026

Building	$2,600,000
Land	$0
Total assessed	$2,600,000

Building

Year built	1903
Style	FLAT
Living area	980 ft²
Rooms	4
Stories	2
Units	4

Last recorded sale

Price	$1,175,000
Date	July 8, 2025
Deed	Registry of Deeds book 84328, page 0538

4 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
20 St Paul St	107-120	CONDO-BLDG	$0	$235,000 April 28, 1986
20 St Paul St #1	107-120-1	Residential Condominium	$828,200	$895,000 September 8, 2023
20 St Paul St #2	107-120-2	Residential Condominium	$841,300	$118,250 September 27, 1994
20 St Paul St #3	107-120-3	Residential Condominium	$930,500	$1,175,000 July 8, 2025

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 3 sites with an Activity and Use Limitation. All MassDEP sites in Cambridge.

What this means

Assessed 11% below the median residential condominium in Cambridge ($2,924,050, 2,506 parcels).
The last sale price is 55% below the current assessment. Massachusetts assessments aim at full market value as of January 1 of the year before the fiscal year.
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: Cambridge assessor file for fiscal year 2026, 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 20 St Paul 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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