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CondominiumResidential
$886,648$492 / 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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

45 MARION RD

BELMONT, MA 02478
Building report
3
Beds
2
Baths
1,801 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.
3,660 ft²
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
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

$887K
$776K low$997K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,383 (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.$736,000 (2025)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$736,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$754,490

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
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(4)

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 · 0.9 mi
E
Roger E WellingtonA
Elementary · Grades PK–3 · 1.2 mi
H
Belmont High SchoolA+
High · Grades 9–12 · 1.3 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

45 Marion Rd 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 87% of homes in Belmont 02478
  • Costs less per square foot than 96% of homes in Belmont 02478
  • Smaller than 66% of homes in Belmont 02478
  • Has a smaller lot than 98% of homes in Belmont 02478
  • Older than 88% 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
$597K$3.6M

This home is worth more than 13% 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$886,648
CheaperTypical $1,465,704Pricier

Pricier than 13% of homes nearby

Price per ft²$492
CheaperTypical $716Pricier

Pricier than 4% of homes nearby

Living area1,801 ft²
SmallerTypical 2,117 ft²Bigger

Bigger than 34% of homes nearby

Lot size3,660 ft²
SmallerTypical 0.16 acBigger

Bigger than 2% of homes nearby

Year built1910
OlderTypical 1930Newer

Newer than 12% of homes nearby

How 45 Marion Rd ranks against every home in each area.
MeasureThis homeBelmont 02478Middlesex County
Estimated valuepricier than$886,64813% of homes62% of homes
Price per ft²pricier than$4924% of homes58% of homes
Living areabigger than1,801 ft²34% of homes49% of homes
Lot sizebigger than3,660 ft²2% of homes7% of homes
Year builtnewer than191012% of homes19% of homes

About 45 Marion Rd

How much is 45 Marion Rd, Belmont, MA worth?

The TopHap Estimate for 45 Marion Rd, Belmont, MA is $886,648 as of Sep 24, 2026. The likely range is $776,359 to $996,937. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 45 Marion Rd, Belmont, MA last sell?

45 Marion Rd, Belmont, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 45 Marion Rd, Belmont, MA?

45 Marion Rd, Belmont, MA has 3 bedrooms, 2 bathrooms and 1,801 square feet of living space.

When was 45 Marion Rd, Belmont, MA built?

45 Marion Rd, Belmont, MA was built in 1910, making it 116 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 45 Marion Rd, Belmont, MA?

45 Marion Rd, 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 45 Marion Rd, Belmont, MA compare to other homes in Belmont 02478?

Among the 7,995 homes in Belmont 02478, it is worth more than 13% of them ($886,648 against a typical $1,465,704), its price per square foot is higher than 4% of them ($492 against a typical $716), it is bigger than 34% of them (1,801 ft² against a typical 2,117 ft²), its lot is bigger than 2% of them (3,660 ft² against a typical 0.16 ac) and it is newer than 12% of them (1910 against a typical 1930). Measured against all of Middlesex County, it is worth more than 62% 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 45 Marion Rd, Belmont, MA?

The 2025 property tax bill for 45 Marion Rd, Belmont, MA was $8,383. The county assessed it at $736,000.

More homes on Marion Rd

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