Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential

334 COMMON ST

BELMONT, MA 02478
5
Beds
2
Baths
2,941 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
14
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$291,000
WATERTOWN SAVINGS BANK · recorded Apr 26, 2019
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$300,000
WATERTOWN SAVINGS BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,071 (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.$1,411,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$815,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$596,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,502,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyMiddlesex
Lot (acres)The size of the land the home sits on, from county records.0.17
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Steam
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck

Transaction History(7)

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 · 0.2 mi
E
Roger E WellingtonA
Elementary · Grades PK–3 · 0.5 mi
H
Belmont High SchoolA+
High · Grades 9–12 · 0.9 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

334 Common 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.

  • Bigger than 84% of homes in Middlesex County
  • Has a smaller lot than 71% of homes in Middlesex County
  • Older than 76% 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.

Living area2,941 ft²
SmallerTypical 2,124 ft²Bigger

Bigger than 83% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 56% of homes nearby

Year built1920
OlderTypical 1930Newer

Newer than 24% of homes nearby

How 334 Common St ranks against every home in each area.
MeasureThis homeBelmont 02478Middlesex County
Living areabigger than2,941 ft²83% of homes84% of homes
Lot sizebigger than0.17 ac56% of homes29% of homes
Year builtnewer than192024% of homes26% of homes

About 334 Common St

When did 334 Common St, Belmont, MA last sell?

334 Common St, Belmont, MA last sold on Jun 18, 2019, according to the county's recorded deed.

How big is 334 Common St, Belmont, MA?

334 Common St, Belmont, MA has 5 bedrooms, 2 bathrooms, 2,941 square feet of living space and a 0.17-acre lot.

When was 334 Common St, Belmont, MA built?

334 Common St, Belmont, MA was built in 1920, making it 106 years old. The building has 2 stories.

What schools serve 334 Common St, Belmont, MA?

334 Common 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 334 Common St, Belmont, MA compare to other homes in Belmont 02478?

Among the 7,995 homes in Belmont 02478, it is bigger than 83% of them (2,941 ft² against a typical 2,124 ft²), its lot is bigger than 56% of them (0.17 ac against a typical 0.16 ac) and it is newer than 24% of them (1920 against a typical 1930). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 334 Common St, Belmont, MA?

The 2025 property tax bill for 334 Common St, Belmont, MA was $16,071. The county assessed it at $1,411,000.

Closest homes

More homes in Belmont 02478

Assigned schools

Explore the area

See this home in context

Open 334 Common 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