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Duplex (2 Units, Any Combination)Residential

578 RIVER RD

WESTPORT, MA 02790
3
Beds
0
Baths
2,528 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.
2.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,555 (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.$1,819,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,236,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$583,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,722,300

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.56
99
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
10
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
56
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
90
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
29
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.166 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.79%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Cape Cod
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.2.12
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
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Westport Middle-High SchoolC+
Middle · Grades 5–12 · 7.2 mi
E
Westport Elementary SchoolB-
Elementary · Grades 1–4 · 7.3 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

578 River 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.

  • Bigger than 81% of homes in Bristol County
  • Has a bigger lot than 90% of homes in Bristol County
  • Newer than 73% of homes in Bristol County

How it measures up in Westport 02790

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

Living area2,528 ft²
SmallerTypical 1,764 ft²Bigger

Bigger than 78% of homes nearby

Lot size2.12 ac
SmallerTypical 1.02 acBigger

Bigger than 80% of homes nearby

Year built1987
OlderTypical 1972Newer

Newer than 64% of homes nearby

How 578 River Rd ranks against every home in each area.
MeasureThis homeWestport 02790Bristol County
Living areabigger than2,528 ft²78% of homes81% of homes
Lot sizebigger than2.12 ac80% of homes90% of homes
Year builtnewer than198764% of homes73% of homes

About 578 River Rd

When did 578 River Rd, Westport, MA last sell?

578 River Rd, Westport, MA last sold on Jul 31, 1987, according to the county's recorded deed.

How big is 578 River Rd, Westport, MA?

578 River Rd, Westport, MA has 3 bedrooms, 2,528 square feet of living space and a 2.12-acre lot.

When was 578 River Rd, Westport, MA built?

578 River Rd, Westport, MA was built in 1987, making it 39 years old. It is a cape cod home. The building has 2 stories.

What schools serve 578 River Rd, Westport, MA?

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

How does 578 River Rd, Westport, MA compare to other homes in Westport 02790?

Among the 7,201 homes in Westport 02790, it is bigger than 78% of them (2,528 ft² against a typical 1,764 ft²), its lot is bigger than 80% of them (2.12 ac against a typical 1.02 ac) and it is newer than 64% of them (1987 against a typical 1972). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 578 River Rd, Westport, MA?

The 2025 property tax bill for 578 River Rd, Westport, MA was $13,555. The county assessed it at $1,819,400.

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