18-20 Fairmont St #20, Cambridge — property record card

Residential Condominium built in 1873 in Cambridge, assessed at $4,155,600 for fiscal year 2026; last sold for $2,430,000 on October 22, 2024.

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	18-20 Fairmont St #20
Map and parcel ID	101-94 101-94-20
Use	Residential Condominium (use code 102)
County	Middlesex

Valuation — fiscal year 2026

Building	$4,155,600
Land	$0
Total assessed	$4,155,600

Building

Year built	1873
Style	TWO-FLOORS
Living area	2,290 ft²
Rooms	8
Stories	3
Units	3

Last recorded sale

Price	$2,430,000
Date	October 22, 2024
Deed	Registry of Deeds book 83378, page 0561

3 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
18-20 Fairmont St	101-94	CONDO-BLDG	$0	nominal ($0) May 7, 2024
18-20 Fairmont St #18	101-94-18	Residential Condominium	$1,856,500	$2,350,000 August 21, 2024
18-20 Fairmont St #20	101-94-20	Residential Condominium	$2,299,100	$2,430,000 October 22, 2024

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): 6 active tier-classified 21E sites and 4 sites with an Activity and Use Limitation. All MassDEP sites in Cambridge.

What this means

Assessed 42% above the median residential condominium in Cambridge ($2,924,050, 2,506 parcels).
The last sale price is 42% 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 18-20 Fairmont St #20

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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