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Single Family ResidenceResidential
$1,145,190$404 / 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 84How 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 $1,150,000 on Jun 4, 2025

129 WALNUT ST

BROOKLINE, MA 02445
6
Beds
2.5
Baths
2,836 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.
2,012 ft²
Lot SizeThe size of the land the home sits on, from county records.
1840
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$958K low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,150,000 · Jun 4, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,101 (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.$820,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$566,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$254,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,089,365

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.1940
Lot (acres)The size of the land the home sits on, from county records.0.05
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.Slate
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(1)

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
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

129 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.

  • Worth more than 78% of homes in Norfolk County
  • Among the lowest price per square foot in Brookline Village
  • Bigger than 86% of homes in Norfolk County
  • Among the smallest lots in Norfolk County
  • Among the oldest homes in Brookline Village

What homes are worth in Brookline 02445

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

This home
$410K$6.1M

This home is worth more than 49% of homes in Brookline 02445.

How it measures up in Brookline 02445

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

Estimated value$1,145,190
CheaperTypical $1,167,659Pricier

Pricier than 49% of homes nearby

Price per ft²$404
CheaperTypical $815Pricier

Cheaper than almost all homes nearby

Living area2,836 ft²
SmallerTypical 1,544 ft²Bigger

Bigger than 74% of homes nearby

Lot size2,012 ft²
SmallerTypical 0.24 acBigger

Bigger than 2% of homes nearby

Year built1840
OlderTypical 1925Newer

Older than almost all homes nearby

How 129 Walnut St ranks against every home in each area.
MeasureThis homeBrookline VillageBrookline 02445Norfolk County
Estimated valuepricier than$1,145,19068% of homes49% of homes78% of homes
Price per ft²pricier than$404almost no homesalmost no homes36% of homes
Living areabigger than2,836 ft²85% of homes74% of homes86% of homes
Lot sizebigger than2,012 ft²5% of homes2% of homesalmost no homes
Year builtnewer than1840almost no homesalmost no homesalmost no homes

About 129 Walnut St

How much is 129 Walnut St, Brookline, MA worth?

The TopHap Estimate for 129 Walnut St, Brookline, MA is $1,145,190 as of Aug 30, 2026. The likely range is $957,568 to $1,332,812. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 Walnut St, Brookline, MA last sell?

129 Walnut St, Brookline, MA last sold on Jun 4, 2025 for $1,150,000, according to the county's recorded deed.

How big is 129 Walnut St, Brookline, MA?

129 Walnut St, Brookline, MA has 6 bedrooms, 2.5 bathrooms, 2,836 square feet of living space and a 0.05-acre lot.

When was 129 Walnut St, Brookline, MA built?

129 Walnut St, Brookline, MA was built in 1840, making it 186 years old. The building has 3 stories.

What schools serve 129 Walnut St, Brookline, MA?

129 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 129 Walnut St, Brookline, MA compare to other homes in Brookline 02445?

Among the 6,408 homes in Brookline 02445, it is worth more than 49% of them ($1,145,190 against a typical $1,167,659), its price per square foot is higher than almost none of them ($404 against a typical $815), it is bigger than 74% of them (2,836 ft² against a typical 1,544 ft²), its lot is bigger than 2% of them (2,012 ft² against a typical 0.24 ac) and it is newer than almost none of them (1840 against a typical 1925). Measured against all of Norfolk County, it is worth more than 78% 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 129 Walnut St, Brookline, MA?

The 2025 property tax bill for 129 Walnut St, Brookline, MA was $8,101. The county assessed it at $820,800.

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