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CondominiumResidential
$2,651,698$1,259 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $2,100,000 on Mar 18, 2020

155 MASON TER

BROOKLINE, MA 02446
4
Beds
5 / 1
Baths
2,107 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.
1900
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$2.7M
$2.5M low$2.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,100,000 · Mar 18, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$20,823 (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.$2,109,700 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,109,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,109,700

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
57
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
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.1995
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes

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 · 0.4 mi
H
Brookline High SchoolA-
High · Grades 9–12 · 0.7 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

155 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.

  • Worth more than 96% of homes in Norfolk County
  • Costs more per square foot than 98% of homes in Norfolk County
  • Bigger than 75% of homes in Coolidge Corner
  • Older than 90% of homes in Norfolk County

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
$429K$4.5M

This home is worth more than 90% 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$2,651,698
CheaperTypical $1,020,905Pricier

Pricier than 90% of homes nearby

Price per ft²$1259
CheaperTypical $868Pricier

Pricier than 94% of homes nearby

Living area2,107 ft²
SmallerTypical 1,244 ft²Bigger

Bigger than 74% of homes nearby

Year built1900
OlderTypical 1925Newer

Newer than 17% of homes nearby

How 155 Mason Ter ranks against every home in each area.
MeasureThis homeCoolidge CornerBrookline 02446Norfolk County
Estimated valuepricier than$2,651,69889% of homes90% of homes96% of homes
Price per ft²pricier than$125995% of homes94% of homes98% of homes
Living areabigger than2,107 ft²75% of homes74% of homes68% of homes
Year builtnewer than190016% of homes17% of homes10% of homes

About 155 Mason Ter

How much is 155 Mason Ter, Brookline, MA worth?

The TopHap Estimate for 155 Mason Ter, Brookline, MA is $2,651,698 as of Sep 24, 2026. The likely range is $2,532,497 to $2,770,899. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 155 Mason Ter, Brookline, MA last sell?

155 Mason Ter, Brookline, MA last sold on Mar 18, 2020 for $2,100,000, according to the county's recorded deed.

How big is 155 Mason Ter, Brookline, MA?

155 Mason Ter, Brookline, MA has 4 bedrooms, 5 bathrooms and 2,107 square feet of living space.

When was 155 Mason Ter, Brookline, MA built?

155 Mason Ter, Brookline, MA was built in 1900, making it 126 years old. The building has 3 stories.

What schools serve 155 Mason Ter, Brookline, MA?

155 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 155 Mason Ter, Brookline, MA compare to other homes in Brookline 02446?

Among the 7,868 homes in Brookline 02446, it is worth more than 90% of them ($2,651,698 against a typical $1,020,905), its price per square foot is higher than 94% of them ($1259 against a typical $868), it is bigger than 74% of them (2,107 ft² against a typical 1,244 ft²) and it is newer than 17% of them (1900 against a typical 1925). Measured against all of Norfolk County, it is worth more than 96% of 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 155 Mason Ter, Brookline, MA?

The 2025 property tax bill for 155 Mason Ter, Brookline, MA was $20,823. The county assessed it at $2,109,700.

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