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CondominiumResidential
$770,067$931 / 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 83How 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

343 TAPPAN ST

BROOKLINE, MA 02445
Building report
1
Beds
1
Baths
827 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1946
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
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

$770K
$636K low$904K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,029 (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.$610,800 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$610,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$609,425

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyNORFOLK
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Roll Tar & Gravel
HeatingThe type of heating system in the home.Hot Water
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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
John D. Runkle 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 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

343 Tappan 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 less than 82% of homes in Brookline Hills
  • Costs more per square foot than 93% of homes in Norfolk County
  • Smaller than 95% of homes in Norfolk County
  • Has a bigger lot than 67% of homes in Brookline Hills
  • Newer than 75% of homes in Brookline Hills

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$6.6M

This home is worth more than 31% 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$770,067
CheaperTypical $1,159,431Pricier

Pricier than 31% of homes nearby

Price per ft²$931
CheaperTypical $815Pricier

Pricier than 75% of homes nearby

Living area827 ft²
SmallerTypical 1,524 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.35 ac
SmallerTypical 0.24 acBigger

Bigger than 60% of homes nearby

Year built1946
OlderTypical 1925Newer

Newer than 65% of homes nearby

How 343 Tappan St ranks against every home in each area.
MeasureThis homeBrookline HillsBrookline 02445Norfolk County
Estimated valuepricier than$770,06718% of homes31% of homes55% of homes
Price per ft²pricier than$93167% of homes75% of homes93% of homes
Living areabigger than827 ft²10% of homes15% of homes5% of homes
Lot sizebigger than0.35 ac67% of homes60% of homes50% of homes
Year builtnewer than194675% of homes65% of homes33% of homes

About 343 Tappan St

How much is 343 Tappan St, Brookline, MA worth?

The TopHap Estimate for 343 Tappan St, Brookline, MA is $770,067 as of Aug 30, 2026. The likely range is $636,113 to $904,021. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 343 Tappan St, Brookline, MA last sell?

343 Tappan St, Brookline, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 343 Tappan St, Brookline, MA?

343 Tappan St, Brookline, MA has 1 bedrooms, 1 bathrooms and 827 square feet of living space.

When was 343 Tappan St, Brookline, MA built?

343 Tappan St, Brookline, MA was built in 1946, making it 80 years old. The building has 1 story.

What schools serve 343 Tappan St, Brookline, MA?

343 Tappan St, Brookline, MA is assigned to John D. Runkle 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 343 Tappan St, Brookline, MA compare to other homes in Brookline 02445?

Among the 6,408 homes in Brookline 02445, it is worth more than 31% of them ($770,067 against a typical $1,159,431), its price per square foot is higher than 75% of them ($931 against a typical $815), it is bigger than 15% of them (827 ft² against a typical 1,524 ft²), its lot is bigger than 60% of them (0.35 ac against a typical 0.24 ac) and it is newer than 65% of them (1946 against a typical 1925). Measured against all of Norfolk County, it is worth more than 55% 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 343 Tappan St, Brookline, MA?

The 2025 property tax bill for 343 Tappan St, Brookline, MA was $6,029. The county assessed it at $610,800.

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