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Single Family ResidenceResidential
$551,476$411 / 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 Oct 21, 2026

12 DIAS AVE

WESTPORT, MA 02790
2
Beds
0
Baths
1,342 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.
0.98 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
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

$551K
$507K low$596K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,712 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$509,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$180,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$329,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$475,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$468,160

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.2008
Lot (acres)The size of the land the home sits on, from county records.0.98
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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(2)

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 SchoolC
Elementary · Grades 1–4 · 0.8 mi
M
Westport Middle-High SchoolC
Middle · Grades 5–12 · 0.9 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

12 Dias 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.

  • Costs more per square foot than 79% of homes in Bristol County
  • Smaller than 72% of homes in Westport 02790
  • Has a bigger lot than 77% of homes in Bristol County
  • Newer than 88% of homes in Bristol County

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
$323K$2.2M

This home is worth more than 37% 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$551,476
CheaperTypical $633,032Pricier

Pricier than 37% of homes nearby

Price per ft²$411
CheaperTypical $375Pricier

Pricier than 63% of homes nearby

Living area1,342 ft²
SmallerTypical 1,764 ft²Bigger

Bigger than 28% of homes nearby

Lot size0.98 ac
SmallerTypical 1 acBigger

Bigger than 49% of homes nearby

Year built2002
OlderTypical 1972Newer

Newer than 81% of homes nearby

How 12 Dias Ave ranks against every home in each area.
MeasureThis homeWestport 02790Bristol County
Estimated valuepricier than$551,47637% of homes56% of homes
Price per ft²pricier than$41163% of homes79% of homes
Living areabigger than1,342 ft²28% of homes31% of homes
Lot sizebigger than0.98 ac49% of homes77% of homes
Year builtnewer than200281% of homes88% of homes

About 12 Dias Ave

How much is 12 Dias Ave, Westport, MA worth?

The TopHap Estimate for 12 Dias Ave, Westport, MA is $551,476 as of Oct 21, 2026. The likely range is $506,793 to $596,159. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Dias Ave, Westport, MA last sell?

12 Dias Ave, Westport, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 12 Dias Ave, Westport, MA?

12 Dias Ave, Westport, MA has 2 bedrooms, 1,342 square feet of living space and a 0.98-acre lot.

When was 12 Dias Ave, Westport, MA built?

12 Dias Ave, Westport, MA was built in 2002, making it 24 years old. It is a ranch home. The building has 1 story.

What schools serve 12 Dias Ave, Westport, MA?

12 Dias Ave, Westport, MA is assigned to Westport Elementary School (elementary), rated C; 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 12 Dias Ave, Westport, MA compare to other homes in Westport 02790?

Among the 7,200 homes in Westport 02790, it is worth more than 37% of them ($551,476 against a typical $633,032), its price per square foot is higher than 63% of them ($411 against a typical $375), it is bigger than 28% of them (1,342 ft² against a typical 1,764 ft²), its lot is bigger than 49% of them (0.98 ac against a typical 1 ac) and it is newer than 81% of them (2002 against a typical 1972). Measured against all of Bristol County, it is worth more than 56% 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 12 Dias Ave, Westport, MA?

The 2026 property tax bill for 12 Dias Ave, Westport, MA was $3,712. The county assessed it at $509,900.

More homes on Dias Ave

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Assigned schools

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