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Single Family ResidenceResidential
$9,999,999$1,831 / 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 89How 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 $12,125,000 on Oct 20, 2025

25 COTTAGE ST

BROOKLINE, MA 02445
5
Beds
7 / 2
Baths
5,461 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.
2.4 ac
Lot SizeThe size of the land the home sits on, from county records.
1848
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
13
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$10M
$10M low$10M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$12,125,000 · Oct 20, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$33,823 (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.$3,426,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$3,235,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$191,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,920,270

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.22 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.2010
Lot (acres)The size of the land the home sits on, from county records.2.40
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
CoolingThe type of cooling or air conditioning in the home.Yes
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(5)

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
William H. Lincoln SchoolA+
Elementary · Grades KG–8 · 0.6 mi
H
Brookline High SchoolA+
High · Grades 9–12 · 0.8 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

25 Cottage 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.

  • Among the most valuable homes in South Brookline
  • Among the highest price per square foot in Brookline 02445
  • Among the largest homes in Norfolk County
  • Has a bigger lot than 91% of homes in Norfolk County
  • Among the oldest homes in South Brookline

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
$406K$6.8M

This home is worth more than almost all 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$9,999,999
CheaperTypical $1,140,303Pricier

Pricier than almost all homes nearby

Price per ft²$1831
CheaperTypical $806Pricier

Pricier than almost all homes nearby

Living area5,461 ft²
SmallerTypical 1,544 ft²Bigger

Bigger than 94% of homes nearby

Lot size2.4 ac
SmallerTypical 0.24 acBigger

Bigger than 82% of homes nearby

Year built1848
OlderTypical 1925Newer

Older than almost all homes nearby

How 25 Cottage St ranks against every home in each area.
MeasureThis homeSouth BrooklineBrookline 02445Norfolk County
Estimated valuepricier than$9,999,999almost all homesalmost all homesalmost all homes
Price per ft²pricier than$1831almost all homesalmost all homesalmost all homes
Living areabigger than5,461 ft²89% of homes94% of homesalmost all homes
Lot sizebigger than2.4 ac90% of homes82% of homes91% of homes
Year builtnewer than1848almost no homesalmost no homesalmost no homes

About 25 Cottage St

How much is 25 Cottage St, Brookline, MA worth?

The TopHap Estimate for 25 Cottage St, Brookline, MA is $9,999,999 as of Sep 24, 2026. The likely range is $9,999,999 to $9,999,999. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 25 Cottage St, Brookline, MA last sell?

25 Cottage St, Brookline, MA last sold on Oct 20, 2025 for $12,125,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 25 Cottage St, Brookline, MA?

25 Cottage St, Brookline, MA has 5 bedrooms, 7 bathrooms, 5,461 square feet of living space and a 2.40-acre lot.

When was 25 Cottage St, Brookline, MA built?

25 Cottage St, Brookline, MA was built in 1848, making it 178 years old. The building has 2 stories.

What schools serve 25 Cottage St, Brookline, MA?

25 Cottage St, Brookline, MA is assigned to William H. Lincoln 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 25 Cottage St, Brookline, MA compare to other homes in Brookline 02445?

Among the 6,408 homes in Brookline 02445, it is worth more than almost all of them ($9,999,999 against a typical $1,140,303), its price per square foot is higher than almost all of them ($1831 against a typical $806), it is bigger than 94% of them (5,461 ft² against a typical 1,544 ft²), its lot is bigger than 82% of them (2.4 ac against a typical 0.24 ac) and it is newer than almost none of them (1848 against a typical 1925). Measured against all of Norfolk County, it is worth more than almost all 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 25 Cottage St, Brookline, MA?

The 2025 property tax bill for 25 Cottage St, Brookline, MA was $33,823. The county assessed it at $3,426,800.

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