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Single Family ResidenceResidential
$485,309$397 / 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 92How 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 $350,000 on Sep 30, 2004

3 MASSON ST

WESTPORT, MA 02790
3
Beds
0
Baths
1,222 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1958
Year BuiltThe year the home was originally built, according to county records.
1
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

$485K
$445K low$526K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$350,000 · Sep 30, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,847 (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.$382,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$144,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$237,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$541,120

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Ranch
CountyBRISTOL
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1995
Lot (acres)The size of the land the home sits on, from county records.0.29
ConstructionThe main material the home's frame and walls are built from.Concrete
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
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.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.

E
Westport Elementary SchoolB-
Elementary · Grades 1–4 · 2.7 mi
M
Westport Middle-High SchoolC+
Middle · Grades 5–12 · 2.9 mi

District: Westport School District

Neighborhood · ZIP 02790These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.62

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.17,394
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.271 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,082
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$122,569
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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 Masson 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 75% of homes in Westport 02790
  • Costs more per square foot than 76% of homes in Bristol County
  • Smaller than 79% of homes in Westport 02790
  • Has a smaller lot than 88% of homes in Westport 02790
  • Older than 71% of homes in Westport 02790

What homes are worth in Westport 02790

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

This home
$331K$2.3M

This home is worth more than 25% of homes in Westport 02790.

How it measures up in Westport 02790

The dot is this home. The mark in the middle is the typical home in Westport 02790.

Estimated value$485,309
CheaperTypical $630,367Pricier

Pricier than 25% of homes nearby

Price per ft²$397
CheaperTypical $371Pricier

Pricier than 61% of homes nearby

Living area1,222 ft²
SmallerTypical 1,761 ft²Bigger

Bigger than 21% of homes nearby

Lot size0.29 ac
SmallerTypical 1.01 acBigger

Bigger than 12% of homes nearby

Year built1958
OlderTypical 1972Newer

Newer than 29% of homes nearby

How 3 Masson St ranks against every home in each area.
MeasureThis homeWestport 02790Bristol County
Estimated valuepricier than$485,30925% of homes41% of homes
Price per ft²pricier than$39761% of homes76% of homes
Living areabigger than1,222 ft²21% of homes24% of homes
Lot sizebigger than0.29 ac12% of homes41% of homes
Year builtnewer than195829% of homes42% of homes

About 3 Masson St

How much is 3 Masson St, Westport, MA worth?

The TopHap Estimate for 3 Masson St, Westport, MA is $485,309 as of Aug 30, 2026. The likely range is $444,826 to $525,792. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3 Masson St, Westport, MA last sell?

3 Masson St, Westport, MA last sold on Sep 30, 2004 for $350,000, according to the county's recorded deed.

How big is 3 Masson St, Westport, MA?

3 Masson St, Westport, MA has 3 bedrooms, 1,222 square feet of living space and a 0.29-acre lot.

When was 3 Masson St, Westport, MA built?

3 Masson St, Westport, MA was built in 1958, making it 68 years old. It is a ranch home. The building has 1 story.

What schools serve 3 Masson St, Westport, MA?

3 Masson St, Westport, MA is assigned to Westport Elementary School (elementary), rated B-; Westport Middle-High School (middle), rated C+. All sit in Westport School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3 Masson St, Westport, MA compare to other homes in Westport 02790?

Among the 7,201 homes in Westport 02790, it is worth more than 25% of them ($485,309 against a typical $630,367), its price per square foot is higher than 61% of them ($397 against a typical $371), it is bigger than 21% of them (1,222 ft² against a typical 1,761 ft²), its lot is bigger than 12% of them (0.29 ac against a typical 1.01 ac) and it is newer than 29% of them (1958 against a typical 1972). Measured against all of Bristol County, it is worth more than 41% 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 Masson St, Westport, MA?

The 2025 property tax bill for 3 Masson St, Westport, MA was $2,847. The county assessed it at $382,200.

More homes on Masson St

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