186 188 Mason Ter 188, Brookline — property record card

Residential Condominium built in 1900 in Brookline, assessed at $4,719,800 for fiscal year 2027; last transferred March 16, 2026 for a nominal sum.

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

Parcel

Location	186 188 Mason Ter 188, Brookline MA 02446
Map and parcel ID	086-27-00 086-27-02
Use	Residential Condominium (use code 102)
Zoning	S-7
County	Norfolk

Valuation — fiscal year 2027

Building	$4,716,200
Land	$0
Other	$3,600
Total assessed	$4,719,800

Building

Year built	1900
Style	DECKER CONDO
Living area	2,585 ft²
Rooms	8
Stories	2

Last recorded sale

Price	nominal ($1)
Date	March 16, 2026
Deed	Registry of Deeds book 42985, page 488

2 assessor accounts on this parcel

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

Address	Account	Use	Assessed	Last sale
186 188 Mason Ter 186	086-27-01	Residential Condominium	$2,161,000	nominal ($1) March 16, 2026
186 188 Mason Ter 188	086-27-02	Residential Condominium	$2,558,800	$2,475,000 December 15, 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): 1 active tier-classified 21E site and 0 sites with an Activity and Use Limitation. All MassDEP sites in Brookline.

What this means

Assessed 27% above the median residential condominium in Brookline ($3,706,500, 1,424 parcels).
The last deed was recorded for a nominal sum: a transfer between family members, into a trust or a similar non-market sale. It says nothing about the market value.
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: Brookline assessor file for fiscal year 2027, 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 186 188 Mason Ter 188

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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