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Apartments (Generic)Residential
Last sold for $5,200,000 on Apr 10, 2025

45 CARLTON ST

BROOKLINE, MA 02446
9
Beds
9
Baths
6,040 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.
4,225 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.
4
StoriesHow many floors the home has above ground.
27
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$5,200,000 · Apr 10, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$37,390 (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.$3,788,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,316,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$2,471,300

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.24 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.Apartments (Generic)
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.1970
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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(4)

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
Amos A. Lawrence SchoolA
Elementary · Grades KG–8 · 0.5 mi
H
Brookline High SchoolA-
High · Grades 9–12 · 1.3 mi

District: Brookline School District

Neighborhood · ZIP 02446These 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.144
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 100.76

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.31,401
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.23,893 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,895
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,699
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

45 Carlton 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 largest homes in Norfolk County
  • Has a smaller lot than 96% of homes in Norfolk County
  • Older than 90% of homes in Norfolk County

How it measures up in Brookline 02446

The dot is this home. The mark in the middle is the typical home in Brookline 02446.

Living area6,040 ft²
SmallerTypical 1,247 ft²Bigger

Bigger than 97% of homes nearby

Lot size4,225 ft²
SmallerTypical 0.29 acBigger

Bigger than 11% of homes nearby

Year built1900
OlderTypical 1925Newer

Newer than 18% of homes nearby

How 45 Carlton St ranks against every home in each area.
MeasureThis homeCoolidge CornerBrookline 02446Norfolk County
Living areabigger than6,040 ft²97% of homes97% of homesalmost all homes
Lot sizebigger than4,225 ft²12% of homes11% of homes4% of homes
Year builtnewer than190017% of homes18% of homes10% of homes

About 45 Carlton St

When did 45 Carlton St, Brookline, MA last sell?

45 Carlton St, Brookline, MA last sold on Apr 10, 2025 for $5,200,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 45 Carlton St, Brookline, MA?

45 Carlton St, Brookline, MA has 9 bedrooms, 9 bathrooms, 6,040 square feet of living space and a 0.10-acre lot.

When was 45 Carlton St, Brookline, MA built?

45 Carlton St, Brookline, MA was built in 1900, making it 126 years old. The building has 4 stories.

What schools serve 45 Carlton St, Brookline, MA?

45 Carlton St, Brookline, MA is assigned to Amos A. Lawrence 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 45 Carlton St, Brookline, MA compare to other homes in Brookline 02446?

Among the 7,868 homes in Brookline 02446, it is bigger than 97% of them (6,040 ft² against a typical 1,247 ft²), its lot is bigger than 11% of them (4,225 ft² against a typical 0.29 ac) and it is newer than 18% 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 45 Carlton St, Brookline, MA?

The 2025 property tax bill for 45 Carlton St, Brookline, MA was $37,390. The county assessed it at $3,788,200.

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