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CondominiumResidential
$874,727$826 / 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 73How 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

48 CARROLL ST

WATERTOWN, MA 02472
2
Beds
2
Baths
1,059 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.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$875K
$637K low$1.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,707 (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.$574,200 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$574,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$574,200

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
CountyMiddlesex
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
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes

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
J. R. Lowell Elementary SchoolA-
Elementary · Grades KG–5 · 0.1 mi
M
Watertown Middle SchoolB-
Middle · Grades 6–8 · 0.5 mi
H
Watertown High SchoolC+
High · Grades 9–12 · 0.6 mi

District: Watertown School District

Neighborhood · ZIP 02472These 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.112
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.71

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.35,928
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,689 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,227
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,103
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.58%

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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

48 Carroll 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.

  • Costs more per square foot than 97% of homes in Watertown West End
  • Smaller than 87% of homes in Middlesex County
  • Older than 75% of homes in Watertown West End

What homes are worth in Watertown 02472

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

This home
$373K$1.8M

This home is worth more than 57% of homes in Watertown 02472.

How it measures up in Watertown 02472

The dot is this home. The mark in the middle is the typical home in Watertown 02472.

Estimated value$874,727
CheaperTypical $830,867Pricier

Pricier than 57% of homes nearby

Price per ft²$826
CheaperTypical $592Pricier

Pricier than 96% of homes nearby

Living area1,059 ft²
SmallerTypical 1,728 ft²Bigger

Bigger than 18% of homes nearby

Year built1920
OlderTypical 1930Newer

Newer than 37% of homes nearby

How 48 Carroll St ranks against every home in each area.
MeasureThis homeWatertown West EndWatertown 02472Middlesex County
Estimated valuepricier than$874,72756% of homes57% of homes60% of homes
Price per ft²pricier than$82697% of homes96% of homes93% of homes
Living areabigger than1,059 ft²19% of homes18% of homes13% of homes
Year builtnewer than192025% of homes37% of homes26% of homes

About 48 Carroll St

How much is 48 Carroll St, Watertown, MA worth?

The TopHap Estimate for 48 Carroll St, Watertown, MA is $874,727 as of Sep 24, 2026. The likely range is $637,137 to $1,112,317. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 48 Carroll St, Watertown, MA last sell?

48 Carroll St, Watertown, MA last sold on Jun 1, 2023, according to the county's recorded deed.

How big is 48 Carroll St, Watertown, MA?

48 Carroll St, Watertown, MA has 2 bedrooms, 2 bathrooms and 1,059 square feet of living space.

When was 48 Carroll St, Watertown, MA built?

48 Carroll St, Watertown, MA was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 48 Carroll St, Watertown, MA?

48 Carroll St, Watertown, MA is assigned to J. R. Lowell Elementary School (elementary), rated A-; Watertown Middle School (middle), rated B-; Watertown High School (high), rated C+. All sit in Watertown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 48 Carroll St, Watertown, MA compare to other homes in Watertown 02472?

Among the 10,041 homes in Watertown 02472, it is worth more than 57% of them ($874,727 against a typical $830,867), its price per square foot is higher than 96% of them ($826 against a typical $592), it is bigger than 18% of them (1,059 ft² against a typical 1,728 ft²) and it is newer than 37% of them (1920 against a typical 1930). Measured against all of Middlesex County, it is worth more than 60% 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 48 Carroll St, Watertown, MA?

The 2025 property tax bill for 48 Carroll St, Watertown, MA was $6,707. The county assessed it at $574,200.

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