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CondominiumResidential
$1,063,610$438 / 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 81How 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

505 BELMONT ST

BELMONT, MA 02478
3
Beds
1
Baths
2,428 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.
1917
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$856K low$1.3M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,768 (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.$682,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$682,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$682,000

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
CountyMiddlesex
HeatingThe type of heating system in the home.Steam

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Winthrop L Chenery Upper Elementary SchoolA-
Middle · Grades 4–6 · 0.5 mi
E
Roger E WellingtonA
Elementary · Grades PK–3 · 0.9 mi
H
Belmont High SchoolA+
High · Grades 9–12 · 1.2 mi

District: Belmont School District

Neighborhood · ZIP 02478These 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.55
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 100.74

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
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.27,636
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,959 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$162,650
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$213,185
Average tempThe average temperature here across a full year.49°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

505 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 79% of homes in Belmont 02478
  • Costs less per square foot than 98% of homes in Belmont 02478
  • Bigger than 72% of homes in Middlesex County
  • Older than 82% of homes in Belmont 02478

What homes are worth in Belmont 02478

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

This home
$593K$3.6M

This home is worth more than 21% of homes in Belmont 02478.

How it measures up in Belmont 02478

The dot is this home. The mark in the middle is the typical home in Belmont 02478.

Estimated value$1,063,610
CheaperTypical $1,469,648Pricier

Pricier than 21% of homes nearby

Price per ft²$438
CheaperTypical $724Pricier

Pricier than 2% of homes nearby

Living area2,428 ft²
SmallerTypical 2,124 ft²Bigger

Bigger than 64% of homes nearby

Year built1917
OlderTypical 1930Newer

Newer than 18% of homes nearby

How 505 Belmont St ranks against every home in each area.
MeasureThis homeBelmont 02478Middlesex County
Estimated valuepricier than$1,063,61021% of homes74% of homes
Price per ft²pricier than$4382% of homes44% of homes
Living areabigger than2,428 ft²64% of homes72% of homes
Year builtnewer than191718% of homes21% of homes

About 505 Belmont St

How much is 505 Belmont St, Belmont, MA worth?

The TopHap Estimate for 505 Belmont St, Belmont, MA is $1,063,610 as of Aug 30, 2026. The likely range is $856,499 to $1,270,721. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 505 Belmont St, Belmont, MA last sell?

505 Belmont St, Belmont, MA last sold on Jun 30, 2020, according to the county's recorded deed.

How big is 505 Belmont St, Belmont, MA?

505 Belmont St, Belmont, MA has 3 bedrooms, 1 bathrooms and 2,428 square feet of living space.

When was 505 Belmont St, Belmont, MA built?

505 Belmont St, Belmont, MA was built in 1917, making it 109 years old. The building has 2 stories.

What schools serve 505 Belmont St, Belmont, MA?

505 Belmont St, Belmont, MA is assigned to Winthrop L Chenery Upper Elementary School (middle), rated A-; Roger E Wellington (elementary), rated A; Belmont High School (high), rated A+. All sit in Belmont School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 505 Belmont St, Belmont, MA compare to other homes in Belmont 02478?

Among the 7,995 homes in Belmont 02478, it is worth more than 21% of them ($1,063,610 against a typical $1,469,648), its price per square foot is higher than 2% of them ($438 against a typical $724), it is bigger than 64% of them (2,428 ft² against a typical 2,124 ft²) and it is newer than 18% of them (1917 against a typical 1930). Measured against all of Middlesex County, it is worth more than 74% 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 505 Belmont St, Belmont, MA?

The 2025 property tax bill for 505 Belmont St, Belmont, MA was $7,768. The county assessed it at $682,000.

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