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CondominiumResidential
$587,455$645 / 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 93How 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 $260,000 on Jun 6, 2012

100 SCHOOL ST

WATERTOWN, MA 02472
Building report
1
Beds
1
Baths
911 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.
2006
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$587K
$549K low$626K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$260,000 · Jun 6, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,173 (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.$506,000 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$506,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$552,048

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyMIDDLESEX
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.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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
Hosmer Elementary SchoolB
Elementary · Grades PK–5 · 0.2 mi
H
Watertown High SchoolC+
High · Grades 9–12 · 0.7 mi
M
Watertown Middle SchoolB-
Middle · Grades 6–8 · 1.4 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

100 School 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 89% of homes in East Watertown
  • Costs more per square foot than 81% of homes in Middlesex County
  • Smaller than 93% of homes in East Watertown
  • Has a bigger lot than 76% of homes in Watertown 02472
  • Newer than 98% of homes in East Watertown

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 21% 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$587,455
CheaperTypical $831,162Pricier

Pricier than 21% of homes nearby

Price per ft²$645
CheaperTypical $592Pricier

Pricier than 72% of homes nearby

Living area911 ft²
SmallerTypical 1,728 ft²Bigger

Bigger than 12% of homes nearby

Lot size0.23 ac
SmallerTypical 0.14 acBigger

Bigger than 76% of homes nearby

Year built2006
OlderTypical 1930Newer

Newer than 95% of homes nearby

How 100 School St ranks against every home in each area.
MeasureThis homeEast WatertownWatertown 02472Middlesex County
Estimated valuepricier than$587,45511% of homes21% of homes24% of homes
Price per ft²pricier than$64569% of homes72% of homes81% of homes
Living areabigger than911 ft²7% of homes12% of homes7% of homes
Lot sizebigger than0.23 ac75% of homes76% of homes40% of homes
Year builtnewer than200698% of homes95% of homes92% of homes

About 100 School St

How much is 100 School St, Watertown, MA worth?

The TopHap Estimate for 100 School St, Watertown, MA is $587,455 as of Sep 24, 2026. The likely range is $548,797 to $626,113. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 School St, Watertown, MA last sell?

100 School St, Watertown, MA last sold on Jun 6, 2012 for $260,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 100 School St, Watertown, MA?

100 School St, Watertown, MA has 1 bedrooms, 1 bathrooms and 911 square feet of living space.

When was 100 School St, Watertown, MA built?

100 School St, Watertown, MA was built in 2006, making it 20 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 100 School St, Watertown, MA?

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

How does 100 School St, Watertown, MA compare to other homes in Watertown 02472?

Among the 10,041 homes in Watertown 02472, it is worth more than 21% of them ($587,455 against a typical $831,162), its price per square foot is higher than 72% of them ($645 against a typical $592), it is bigger than 12% of them (911 ft² against a typical 1,728 ft²), its lot is bigger than 76% of them (0.23 ac against a typical 0.14 ac) and it is newer than 95% of them (2006 against a typical 1930). Measured against all of Middlesex County, it is worth more than 24% 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 100 School St, Watertown, MA?

The 2026 property tax bill for 100 School St, Watertown, MA was $6,173. The county assessed it at $506,000.

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