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CondominiumResidential
$644,387$680 / 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 69How 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 $3,750,000 on Mar 15, 2024

3 OXFORD AVE

BELMONT, MA 02478
Building report
1
Beds
1
Baths
948 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.
2,922 ft²
Lot SizeThe size of the land the home sits on, from county records.
1909
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$644K
$443K low$846K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$3,750,000 · Mar 15, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,501 (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.$483,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$483,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$772,730

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)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

M
Winthrop L Chenery Upper Elementary SchoolA-
Middle · Grades 4–6 · 1.0 mi
E
Roger E WellingtonA
Elementary · Grades PK–3 · 1.4 mi
H
Belmont High SchoolA+
High · Grades 9–12 · 1.4 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

3 Oxford Ave 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 96% of homes in Belmont 02478
  • Costs more per square foot than 84% of homes in Middlesex County
  • Smaller than 97% of homes in Belmont 02478
  • Among the smallest lots in Belmont 02478
  • Older than 91% 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
$582K$3.7M

This home is worth more than 4% 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$644,387
CheaperTypical $1,469,067Pricier

Pricier than 4% of homes nearby

Price per ft²$680
CheaperTypical $722Pricier

Pricier than 36% of homes nearby

Living area948 ft²
SmallerTypical 2,124 ft²Bigger

Bigger than 3% of homes nearby

Lot size2,922 ft²
SmallerTypical 0.16 acBigger

Smaller than almost all homes nearby

Year built1909
OlderTypical 1930Newer

Newer than 9% of homes nearby

How 3 Oxford Ave ranks against every home in each area.
MeasureThis homeBelmont 02478Middlesex County
Estimated valuepricier than$644,3874% of homes32% of homes
Price per ft²pricier than$68036% of homes84% of homes
Living areabigger than948 ft²3% of homes9% of homes
Lot sizebigger than2,922 ft²almost no homes4% of homes
Year builtnewer than19099% of homes17% of homes

About 3 Oxford Ave

How much is 3 Oxford Ave, Belmont, MA worth?

The TopHap Estimate for 3 Oxford Ave, Belmont, MA is $644,387 as of Aug 30, 2026. The likely range is $443,030 to $845,744. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Oxford Ave, Belmont, MA last sell?

3 Oxford Ave, Belmont, MA last sold on Mar 15, 2024 for $3,750,000, according to the county's recorded deed.

How big is 3 Oxford Ave, Belmont, MA?

3 Oxford Ave, Belmont, MA has 1 bedrooms, 1 bathrooms and 948 square feet of living space.

When was 3 Oxford Ave, Belmont, MA built?

3 Oxford Ave, Belmont, MA was built in 1909, making it 117 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 3 Oxford Ave, Belmont, MA?

3 Oxford Ave, 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 3 Oxford Ave, Belmont, MA compare to other homes in Belmont 02478?

Among the 7,995 homes in Belmont 02478, it is worth more than 4% of them ($644,387 against a typical $1,469,067), its price per square foot is higher than 36% of them ($680 against a typical $722), it is bigger than 3% of them (948 ft² against a typical 2,124 ft²), its lot is bigger than almost none of them (2,922 ft² against a typical 0.16 ac) and it is newer than 9% of them (1909 against a typical 1930). Measured against all of Middlesex County, it is worth more than 32% 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 3 Oxford Ave, Belmont, MA?

The 2025 property tax bill for 3 Oxford Ave, Belmont, MA was $5,501. The county assessed it at $483,000.

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