21 Mason St Brookline, MA 02446 / 4006

Map
(UPDATED: 12/12/2025)
Sold Oct 2018
$4,000,000
Property Report

Information about property on 21 Mason St, Brookline MA, 02446-4006. Find out owner contacts, building history, price, neighborhood at Homemetry Address Directory.

Property Details

This property with approximately sixty-four hundred square feet of habitable surface on approximately a fourth of acre was put up in 1910.

Facts

  • Built in 1910
  • Lot size 10,885 sqft
  • Floor size 6,421 sqft
  • Construction Frame
  • Rooms 14
  • Bedrooms 7
  • Stories 3 story with basement
  • Basement Full Basement
  • Structure type Colonial
  • Heating & Cooling
  • Heat type Hot Water
  • Exterior Home Features
  • Exterior material Brick
  • Roof type Slate
  • Parking & Garage
  • Parking Off street
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Listing info

  • Last sold Sep 1977 for $97,500

Features

  • Fireplace

Householders and Tenants for 21 Mason St, Brookline MA

Businesses

Organization Phone Number Additional Info
Covitz Joel
617-232-****
Specialties:
Problem Solving
Categories:
Licensed PsychologistsPsychoanalysts
Joel D Covitz Age: 82
617-232-****
Residential status:
Homeowner
Job:
Medical Professional
Email:
[email protected]
Organization:
Jungian Center
Title:
Founder
Type:
Medical
Jungian Center
617-232-****
SIC:
6022 - State Commercial Banks

Units - Who lives at 21 Mason St, Brookline MA

#2Patricia D Koffi 02446-4006
#21Jonathan Louis Coloff 02446-4006

Cost estimate history

YearTaxAssessmentMarket
2014 $29,129 $2,557,400 N/A
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Where is 21 Mason St, Brookline MA located on map?

Market Activities

To date, we have no information about market activities in 2026
Oct 2018 Sold
21 Mason St
Price history :
$4M
Sep 2016 Recent Rent
21 Mason St
Price history :
$1,500
  • 1 bath

This is a nice updated studio, in an amazing house just steps to Coolidge Corner and Longwood...

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Mason St Fire Incident History

To date, we have no information about fire incidents in 2026
06 May 2018 Mobile property (vehicle) fire, other
302 Mason St, Brookline MA
Property Use —
1 or 2 family dwelling
Area of Origin —
Fuel tank, fuel line

Mason St Incidents registered in FEMA
(Federal Emergency Management Agency)

To date, we have no information about incidents registered in FEMA in 2026
18 Apr 2015 Gas leak (natural gas or LPG)
87 Mason St, Brookline MA
Property Use —
Street, other
22 Feb 2015 Gas leak (natural gas or LPG)
162 Mason St, Brookline MA
Property Use —
Outside or special property, other
12 May 2014 Cooking fire, confined to container
1 Mason St, Brookline MA
Property Use —
1 or 2 family dwelling

Mason St Crime Incidents History

To date, we have no information about crime incidents in 2026
30 Mar 2013 Property Crime
1 Block Mason St, Brookline MA
Case Number —
2013-0001654
Description —
FOUND PROPERTY
28 Jul 2011 Traffic
Mason St, Brookline MA
Case Number —
2011-0004138
Description —
TRAFFIC OFFENSES

Mason Street

Recently Sold Homes on Mason Street (3)

Recent rentals on Mason Street (2)

Brookline, MA

Houses for Sale on Brookline, MA (193)

Recently Sold Homes on Brookline, MA (2387)

Houses for Rent on Brookline, MA (259)

Recent rentals on Brookline, MA (2582)

 

FAQ about the house at 21 Mason St, Brookline, MA

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