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Single Family ResidenceResidential
$3,178,964$873 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $1,479,650 on Nov 15, 2011

21 ADDINGTON RD

BROOKLINE, MA 02445
7
Beds
4 / 2
Baths
3,641 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1895
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
11
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$3.2M
$2.9M low$3.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,479,650 · Nov 15, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$27,876 (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.$2,722,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,424,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,280,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,740,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$4,145,040

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.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.1976
Lot (acres)The size of the land the home sits on, from county records.0.23
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
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(13)

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 · 0.4 mi
H
Brookline High SchoolA+
High · Grades 9–12 · 0.4 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

21 Addington Rd 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 98% of homes in Norfolk County
  • Costs more per square foot than 91% of homes in Norfolk County
  • Bigger than 93% of homes in Norfolk County
  • Has a smaller lot than 68% of homes in Norfolk County
  • Older than 94% of homes in Norfolk County

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
$399K$6M

This home is worth more than 87% 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$3,178,964
CheaperTypical $1,147,737Pricier

Pricier than 87% of homes nearby

Price per ft²$873
CheaperTypical $803Pricier

Pricier than 68% of homes nearby

Living area3,641 ft²
SmallerTypical 1,555 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.23 ac
SmallerTypical 0.24 acBigger

Bigger than 50% of homes nearby

Year built1895
OlderTypical 1925Newer

Newer than 12% of homes nearby

How 21 Addington Rd ranks against every home in each area.
MeasureThis homeBrookline HillsBrookline 02445Norfolk County
Estimated valuepricier than$3,178,96485% of homes87% of homes98% of homes
Price per ft²pricier than$87361% of homes68% of homes91% of homes
Living areabigger than3,641 ft²81% of homes83% of homes93% of homes
Lot sizebigger than0.23 ac55% of homes50% of homes32% of homes
Year builtnewer than189510% of homes12% of homes6% of homes

About 21 Addington Rd

How much is 21 Addington Rd, Brookline, MA worth?

The TopHap Estimate for 21 Addington Rd, Brookline, MA is $3,178,964 as of Oct 21, 2026. The likely range is $2,892,492 to $3,465,436. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Addington Rd, Brookline, MA last sell?

21 Addington Rd, Brookline, MA last sold on Nov 15, 2011 for $1,479,650, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 21 Addington Rd, Brookline, MA?

21 Addington Rd, Brookline, MA has 7 bedrooms, 4 bathrooms, 3,641 square feet of living space and a 0.23-acre lot.

When was 21 Addington Rd, Brookline, MA built?

21 Addington Rd, Brookline, MA was built in 1895, making it 131 years old. The building has 3 stories.

What schools serve 21 Addington Rd, Brookline, MA?

21 Addington Rd, 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 21 Addington Rd, Brookline, MA compare to other homes in Brookline 02445?

Among the 6,408 homes in Brookline 02445, it is worth more than 87% of them ($3,178,964 against a typical $1,147,737), its price per square foot is higher than 68% of them ($873 against a typical $803), it is bigger than 83% of them (3,641 ft² against a typical 1,555 ft²), its lot is bigger than 50% of them (0.23 ac against a typical 0.24 ac) and it is newer than 12% of them (1895 against a typical 1925). Measured against all of Norfolk County, it is worth more than 98% 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 21 Addington Rd, Brookline, MA?

The 2026 property tax bill for 21 Addington Rd, Brookline, MA was $27,876. The county assessed it at $2,722,300.

More homes on Addington Rd

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