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Single Family ResidenceResidential
$3,887,946$847 / ft²
TopHap EstimateOur estimate of what this home would sell for today, based on nearby sales, the home's size and features, and local price trends. It is a starting point, not an appraisal.· confidence 89How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $3,875,000 on Jul 13, 2026

66 MASON TER

BROOKLINE, MA 02446
5
Beds
4.5
Baths
4,590 ft²
Living AreaTotal finished area of the structures, from county records. Some counties include shared space like hallways or a building gym, so it may not match a listing.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
2000
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3.9M
$3.5M low$4.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,875,000 · Jul 13, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$47,224 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$4,784,600 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,538,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$3,245,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,927,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Colonial
CountyNORFOLK
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2011
Lot (acres)The size of the land the home sits on, from county records.0.28
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(15)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Michael Driscoll SchoolA
Elementary · Grades PK–8 · 0.3 mi
H
Brookline High SchoolA-
High · Grades 9–12 · 0.6 mi

District: Brookline School District

Neighborhood · ZIP 02446These are comparison scores, not percentages. 100 equals the national average, so 150 means about 50% above average.

CrimeLocal crime compared with the rest of the country, where 100 is average. It reflects things like population density, income, and how crime gets reported.144
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.76

Index scale: 100 = US average (tick). Lower is better.

Homes occupiedThe share of homes here that someone lives in. The rest sit empty, including vacation and for-sale homes.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.31,401
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23,893 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,895
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,699
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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Data by ATTOM. Valuations are automated estimates, not appraisals. Photos from Google Street View and may not depict the current property state.

How this home compares

66 Mason Ter measured against every home in its neighborhood, its ZIP code and its county, using county assessor records refreshed nightly. A home can stand out in one of those areas and look ordinary in another, because each one holds a different mix of homes.

  • Among the most valuable homes in Norfolk County
  • Costs more per square foot than 90% of homes in Norfolk County
  • Bigger than 97% of homes in Norfolk County
  • Newer than 98% of homes in Washington Square

What homes are worth in Brookline 02446

Each bar is how many homes fall in that price range. The marker is this home.

This home
$411K$4.6M

This home is worth more than 97% of homes in Brookline 02446.

How it measures up in Brookline 02446

The dot is this home. The mark in the middle is the typical home in Brookline 02446.

Estimated value$3,887,946
CheaperTypical $1,026,291Pricier

Pricier than 97% of homes nearby

Price per ft²$847
CheaperTypical $880Pricier

Pricier than 41% of homes nearby

Living area4,590 ft²
SmallerTypical 1,249 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.28 ac
SmallerTypical 0.29 acBigger

Bigger than 48% of homes nearby

Year built2000
OlderTypical 1925Newer

Newer than 96% of homes nearby

How 66 Mason Ter ranks against every home in each area.
MeasureThis homeWashington SquareBrookline 02446Norfolk County
Estimated valuepricier than$3,887,94698% of homes97% of homesalmost all homes
Price per ft²pricier than$84754% of homes41% of homes90% of homes
Living areabigger than4,590 ft²94% of homes95% of homes97% of homes
Lot sizebigger than0.28 ac57% of homes48% of homes40% of homes
Year builtnewer than200098% of homes96% of homes88% of homes

About 66 Mason Ter

How much is 66 Mason Ter, Brookline, MA worth?

The TopHap Estimate for 66 Mason Ter, Brookline, MA is $3,887,946 as of Aug 30, 2026. The likely range is $3,457,384 to $4,318,508. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 66 Mason Ter, Brookline, MA last sell?

66 Mason Ter, Brookline, MA last sold on Jul 13, 2026 for $3,875,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 66 Mason Ter, Brookline, MA?

66 Mason Ter, Brookline, MA has 5 bedrooms, 4.5 bathrooms, 4,590 square feet of living space and a 0.28-acre lot.

When was 66 Mason Ter, Brookline, MA built?

66 Mason Ter, Brookline, MA was built in 2000, making it 26 years old. It is a colonial home. The building has 2 stories.

What schools serve 66 Mason Ter, Brookline, MA?

66 Mason Ter, Brookline, MA is assigned to Michael Driscoll School (elementary), rated A; Brookline High School (high), rated A-. All sit in Brookline School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 66 Mason Ter, Brookline, MA compare to other homes in Brookline 02446?

Among the 7,868 homes in Brookline 02446, it is worth more than 97% of them ($3,887,946 against a typical $1,026,291), its price per square foot is higher than 41% of them ($847 against a typical $880), it is bigger than 95% of them (4,590 ft² against a typical 1,249 ft²), its lot is bigger than 48% of them (0.28 ac against a typical 0.29 ac) and it is newer than 96% of them (2000 against a typical 1925). Measured against all of Norfolk County, it is worth more than almost all homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 66 Mason Ter, Brookline, MA?

The 2025 property tax bill for 66 Mason Ter, Brookline, MA was $47,224. The county assessed it at $4,784,600.

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