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Triplex (3 Units, Any Combination)Residential

148 WALNUT ST

BROOKLINE, MA 02445
9
Beds
4 / 1
Baths
4,002 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.
3,676 ft²
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
18
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$22,326 (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.$2,262,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$933,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,328,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,301,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Triplex (3 Units, Any Combination)
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.1982
Lot (acres)The size of the land the home sits on, from county records.0.08
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.Steam
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

E
Pierce SchoolA
Elementary · Grades KG–8 · 0.3 mi
H
Brookline High SchoolA-
High · Grades 9–12 · 0.5 mi

District: Brookline School District

Neighborhood · ZIP 02445These 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.106
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 100.70

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.24,131
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,478 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,389
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$198,390
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

148 Walnut St 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.

  • Bigger than 95% of homes in Brookline Village
  • Has a smaller lot than 98% of homes in Norfolk County
  • Older than 90% of homes in Norfolk County

How it measures up in Brookline 02445

The dot is this home. The mark in the middle is the typical home in Brookline 02445.

Living area4,002 ft²
SmallerTypical 1,527 ft²Bigger

Bigger than 87% of homes nearby

Lot size3,676 ft²
SmallerTypical 0.24 acBigger

Bigger than 13% of homes nearby

Year built1900
OlderTypical 1925Newer

Newer than 27% of homes nearby

How 148 Walnut St ranks against every home in each area.
MeasureThis homeBrookline VillageBrookline 02445Norfolk County
Living areabigger than4,002 ft²95% of homes87% of homes95% of homes
Lot sizebigger than3,676 ft²22% of homes13% of homes2% of homes
Year builtnewer than190034% of homes27% of homes10% of homes

About 148 Walnut St

How big is 148 Walnut St, Brookline, MA?

148 Walnut St, Brookline, MA has 9 bedrooms, 4 bathrooms, 4,002 square feet of living space and a 0.08-acre lot.

When was 148 Walnut St, Brookline, MA built?

148 Walnut St, Brookline, MA was built in 1900, making it 126 years old. The building has 3 stories.

What schools serve 148 Walnut St, Brookline, MA?

148 Walnut St, Brookline, MA is assigned to Pierce 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 148 Walnut St, Brookline, MA compare to other homes in Brookline 02445?

Among the 6,408 homes in Brookline 02445, it is bigger than 87% of them (4,002 ft² against a typical 1,527 ft²), its lot is bigger than 13% of them (3,676 ft² against a typical 0.24 ac) and it is newer than 27% of them (1900 against a typical 1925). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 148 Walnut St, Brookline, MA?

The 2025 property tax bill for 148 Walnut St, Brookline, MA was $22,326. The county assessed it at $2,262,000.

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