Skip to content
Skip to content
TopHapOpen in map
CondominiumResidential
$638,530$609 / 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 83How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $550,000 on Feb 16, 2021

728 BELMONT ST

WATERTOWN, MA 02472
2
Beds
1
Baths
1,048 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$639K
$532K low$745K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$550,000 · Feb 16, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,381 (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.$546,300 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$546,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$719,245

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.
90
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
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.2005
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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
J. R. Lowell Elementary SchoolA-
Elementary · Grades KG–5 · 0.2 mi
M
Watertown Middle SchoolB-
Middle · Grades 6–8 · 0.7 mi
H
Watertown High SchoolB-
High · Grades 9–12 · 0.7 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%

Owner Tools

Do you own this home?
Claim this home

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

728 Belmont 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 76% of homes in Watertown West End
  • Costs more per square foot than 77% of homes in Middlesex County
  • Smaller than 87% of homes in Middlesex County
  • Has a bigger lot than 73% of homes in Watertown West End
  • Older than 68% of homes in Middlesex County

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
$376K$1.7M

This home is worth more than 27% 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$638,530
CheaperTypical $815,913Pricier

Pricier than 27% of homes nearby

Price per ft²$609
CheaperTypical $587Pricier

Pricier than 59% of homes nearby

Living area1,048 ft²
SmallerTypical 1,724 ft²Bigger

Bigger than 17% of homes nearby

Lot size0.19 ac
SmallerTypical 0.14 acBigger

Bigger than 70% of homes nearby

Year built1930
OlderTypical 1930Newer

Newer than 55% of homes nearby

How 728 Belmont St ranks against every home in each area.
MeasureThis homeWatertown West EndWatertown 02472Middlesex County
Estimated valuepricier than$638,53024% of homes27% of homes31% of homes
Price per ft²pricier than$60952% of homes59% of homes77% of homes
Living areabigger than1,048 ft²18% of homes17% of homes13% of homes
Lot sizebigger than0.19 ac73% of homes70% of homes32% of homes
Year builtnewer than193042% of homes55% of homes32% of homes

About 728 Belmont St

How much is 728 Belmont St, Watertown, MA worth?

The TopHap Estimate for 728 Belmont St, Watertown, MA is $638,530 as of Aug 30, 2026. The likely range is $532,214 to $744,846. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 728 Belmont St, Watertown, MA last sell?

728 Belmont St, Watertown, MA last sold on Feb 16, 2021 for $550,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 728 Belmont St, Watertown, MA?

728 Belmont St, Watertown, MA has 2 bedrooms, 1 bathrooms and 1,048 square feet of living space.

When was 728 Belmont St, Watertown, MA built?

728 Belmont St, Watertown, MA was built in 1930, making it 96 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 728 Belmont St, Watertown, MA?

728 Belmont 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 B-. All sit in Watertown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 728 Belmont St, Watertown, MA compare to other homes in Watertown 02472?

Among the 10,041 homes in Watertown 02472, it is worth more than 27% of them ($638,530 against a typical $815,913), its price per square foot is higher than 59% of them ($609 against a typical $587), it is bigger than 17% of them (1,048 ft² against a typical 1,724 ft²), its lot is bigger than 70% of them (0.19 ac against a typical 0.14 ac) and it is newer than 55% of them (1930 against a typical 1930). Measured against all of Middlesex County, it is worth more than 31% 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 728 Belmont St, Watertown, MA?

The 2025 property tax bill for 728 Belmont St, Watertown, MA was $6,381. The county assessed it at $546,300.

More homes on Belmont St

Closest homes

More homes in Watertown 02472

Assigned schools

Explore the area

See this home in context

Open 728 Belmont St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map