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CondominiumResidential
$1,162,111$688 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $990,000 on Sep 30, 2021

378 COMMON ST

BELMONT, MA 02478
2
Beds
1.5
Baths
1,689 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.
0.13 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.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.2M
$1.1M low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$990,000 · Sep 30, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$0
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$0
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.140%
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.$890,901
ROCKET MORTGAGE · P · recorded Sep 30, 2021
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.$690,000
LOANDEPOT.COM LLC

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,618 (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.$1,020,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$1,020,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,103,995

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.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.Spa/Hot Tub (Only)

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.

M
Winthrop L Chenery Upper Elementary SchoolA-
Middle · Grades 4–6 · 0.3 mi
E
Roger E WellingtonA
Elementary · Grades PK–3 · 0.6 mi
H
Belmont High SchoolA+
High · Grades 9–12 · 1.0 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.No

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

378 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.

  • Worth more than 78% of homes in Middlesex County
  • Costs more per square foot than 84% of homes in Middlesex County
  • Smaller than 72% of homes in Belmont 02478
  • Has a smaller lot than 79% of homes in Middlesex County
  • Older than 76% 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
$616K$3.7M

This home is worth more than 29% 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$1,162,111
CheaperTypical $1,482,948Pricier

Pricier than 29% of homes nearby

Price per ft²$688
CheaperTypical $746Pricier

Pricier than 34% of homes nearby

Living area1,689 ft²
SmallerTypical 2,117 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.13 ac
SmallerTypical 0.16 acBigger

Bigger than 32% of homes nearby

Year built1920
OlderTypical 1930Newer

Newer than 24% of homes nearby

How 378 Common St ranks against every home in each area.
MeasureThis homeBelmont 02478Middlesex County
Estimated valuepricier than$1,162,11129% of homes78% of homes
Price per ft²pricier than$68834% of homes84% of homes
Living areabigger than1,689 ft²28% of homes44% of homes
Lot sizebigger than0.13 ac32% of homes21% of homes
Year builtnewer than192024% of homes26% of homes

About 378 Common St

How much is 378 Common St, Belmont, MA worth?

The TopHap Estimate for 378 Common St, Belmont, MA is $1,162,111 as of Jul 14, 2026. The likely range is $1,096,550 to $1,227,672. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 378 Common St, Belmont, MA last sell?

378 Common St, Belmont, MA last sold on Sep 30, 2021 for $990,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 378 Common St, Belmont, MA?

378 Common St, Belmont, MA has 2 bedrooms, 1.5 bathrooms and 1,689 square feet of living space.

When was 378 Common St, Belmont, MA built?

378 Common St, Belmont, MA was built in 1920, making it 106 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 378 Common St, Belmont, MA?

378 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 378 Common St, Belmont, MA compare to other homes in Belmont 02478?

Among the 7,995 homes in Belmont 02478, it is worth more than 29% of them ($1,162,111 against a typical $1,482,948), its price per square foot is higher than 34% of them ($688 against a typical $746), it is bigger than 28% of them (1,689 ft² against a typical 2,117 ft²), its lot is bigger than 32% of them (0.13 ac against a typical 0.16 ac) and it is newer than 24% of them (1920 against a typical 1930). Measured against all of Middlesex County, it is worth more than 78% 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 378 Common St, Belmont, MA?

The 2025 property tax bill for 378 Common St, Belmont, MA was $11,618. The county assessed it at $1,020,000.

Closest homes

More homes in Belmont 02478

Assigned schools

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