

Located on a quiet, residential street, this spacious contemporary residence offers 6,200 sq ft of living space with 5 bedrooms and 4.5 bathrooms. Thoughtfully designed, this home balances scale and functionality across expansive, light-filled interior spaces. Kitchen opens to adjoining family, dining spaces and patio. 1st floor bedroom with en-suite bathroom. 1st floor office/music room provides flexible work or recreation space. 2nd level spacious primary suite with fireplace, luxurious bathroom including stall shower and jacuzzi, walk-in closet and balcony. Three well-sized bedrooms provide versatility for family/work space. Finished lower level with garage access, mud room, extra storage space, large recreation room, fitness room, and full bath. 3-car garage, a rarity in this urban location, heated driveway, and the property’s efficient footprint allows for a low-maintenance lifestyle without compromising interior volume. Located near all Coolidge Corner has to offer. A rare find!
Property Details for 66 Mason Terrace
Total Rooms: 10
Bedrooms: 5
Bathrooms: 4Full 1Half
Living Area: 6,205
Lot Size (Acres/SF): 0.28/ 12,031
Lot Features:
Levels:
Total Parking Spaces: 5
Garage Spaces: 3
Parking Features: Attached, Under, Garage Door Opener, Storage, Insulated, Paved Drive, Off Street, Paved
Listing ID: 73484713
Postal Code: 02446
Neighborhood: Washington Square
Elementary School District: Michael Driscoll
Elementary School Buffer Zone:
High School: Brookline High School
Year Built: 2000
Architectural Style:
Basement: Full, Partially Finished, Walk-Out Access, Interior Entry, Garage Access
Features for 66 Mason Terrace
Heating: Central, Forced Air, Natural Gas
Heating Zones:
Fireplaces: 4
Accessibility Features:
Association: False
Association Fee:
Fee Frequency:
Association Fee Includes:
Association Amenities:
Management Type:
Optional Fee:
Optional Fee Includes:
Elevator: False
Cooling: Central Air, Dual
Cooling Zones:
Private Pool: False
Pool Features:
Waterfront: False
Waterfront Features:
Pets Allowed:
Entry Level (Floor):
Entry Location:
Complex Complete: False
Total Units in Building:
Owner Occupied Units:
Utilities & Financials for 66 Mason Terrace
Electric:
Water Source: Public
Sewer: Public Sewer
Utility Connections:
Annual Tax: $49,679
Assessed Value: $4,851,500
Tax Year: 2026
Disclosures for 66 Mason Terrace
Disclosures:
Exclusions:
Property Attached: False
Historic District:
Zoning Code: SC-7
Zoning Description: SINGLE-FAMILY & CONVERTED FOR TWO-FAMILY
Zoning Category: converted_two_family
Zoning FAR:
Zoning Min Lot: 7,000
Lead Paint: None
SqFt Includes Basement: False
Square Feet Disclosures:
Voting Precinct: 11 Located at Driscoll School, New Gymnasium, Washington Street Entrance
Listing Lifecycle for 66 Mason Terrace
List Date: 2026-03-10
Off Market Date:
Under Agreement Date:
Sold Date:
List Office: Hammond Residential Real Estate
Listing Agent: Ezra Stillman
Original List Price: $4,500,000
Sold Price: ()
Square Feet Disclosures:
Last Updated on: 2026-03-11 00:01:28 from: mls-pin
Buyer’s Office:
Buyer’s Agent:



