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Single Family ResidenceResidential
$2,443,206$1,054 / 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 87How 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 $2,354,000 on Aug 12, 2025

100 SUMMIT AVE

BROOKLINE, MA 02446
4
Beds
2.5
Baths
2,319 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.
1941
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.4M
$2.1M 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.$2,354,000 · Aug 12, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$24,105 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$2,354,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,555,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$798,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,380,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,211,030

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
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.1978
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.Hot Water
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, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(12)

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

100 Summit Ave 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 95% of homes in Norfolk County
  • Bigger than 77% of homes in Brookline 02446
  • Older than 69% 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
$411K$4.2M

This home is worth more than 87% 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$2,443,206
CheaperTypical $1,009,784Pricier

Pricier than 87% of homes nearby

Price per ft²$1054
CheaperTypical $867Pricier

Pricier than 83% of homes nearby

Living area2,319 ft²
SmallerTypical 1,256 ft²Bigger

Bigger than 77% of homes nearby

Lot size0.28 ac
SmallerTypical 0.29 acBigger

Bigger than 49% of homes nearby

Year built1941
OlderTypical 1925Newer

Newer than 66% of homes nearby

How 100 Summit Ave ranks against every home in each area.
MeasureThis homeWashington SquareBrookline 02446Norfolk County
Estimated valuepricier than$2,443,20685% of homes87% of homes96% of homes
Price per ft²pricier than$105490% of homes83% of homes95% of homes
Living areabigger than2,319 ft²74% of homes77% of homes74% of homes
Lot sizebigger than0.28 ac57% of homes49% of homes40% of homes
Year builtnewer than194166% of homes66% of homes31% of homes

About 100 Summit Ave

How much is 100 Summit Ave, Brookline, MA worth?

The TopHap Estimate for 100 Summit Ave, Brookline, MA is $2,443,206 as of Sep 24, 2026. The likely range is $2,123,883 to $2,762,529. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Summit Ave, Brookline, MA last sell?

100 Summit Ave, Brookline, MA last sold on Aug 12, 2025 for $2,354,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 100 Summit Ave, Brookline, MA?

100 Summit Ave, Brookline, MA has 4 bedrooms, 2.5 bathrooms, 2,319 square feet of living space and a 0.28-acre lot.

When was 100 Summit Ave, Brookline, MA built?

100 Summit Ave, Brookline, MA was built in 1941, making it 85 years old. The building has 2 stories.

What schools serve 100 Summit Ave, Brookline, MA?

100 Summit Ave, 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 100 Summit Ave, Brookline, MA compare to other homes in Brookline 02446?

Among the 7,868 homes in Brookline 02446, it is worth more than 87% of them ($2,443,206 against a typical $1,009,784), its price per square foot is higher than 83% of them ($1054 against a typical $867), it is bigger than 77% of them (2,319 ft² against a typical 1,256 ft²), its lot is bigger than 49% of them (0.28 ac against a typical 0.29 ac) and it is newer than 66% of them (1941 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 100 Summit Ave, Brookline, MA?

The 2026 property tax bill for 100 Summit Ave, Brookline, MA was $24,105. The county assessed it at $2,354,000.

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