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Single Family ResidenceResidential
$2,364,481$368 / 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 89How 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
Last sold for $659,000 on Aug 18, 1999

664 RIVER RD

WESTPORT, MA 02790
5
Beds
0
Baths
6,420 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.
1.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$2.4M
$2.1M low$2.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$659,000 · Aug 18, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,297 (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.$1,516,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$886,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$630,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,401,855

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.48 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.26%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Contemporary
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.1994
Lot (acres)The size of the land the home sits on, from county records.1.70
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
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 · 7.4 mi
E
Westport Elementary SchoolC
Elementary · Grades 1–4 · 7.6 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

664 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.

  • Among the most valuable homes in Bristol County
  • Among the largest homes in Bristol County
  • Has a bigger lot than 87% of homes in Bristol County
  • Newer than 74% 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
$340K$2.4M

This home is worth more than 98% 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$2,364,481
CheaperTypical $636,139Pricier

Pricier than 98% of homes nearby

Price per ft²$368
CheaperTypical $375Pricier

Pricier than 47% of homes nearby

Living area6,420 ft²
SmallerTypical 1,760 ft²Bigger

Bigger than almost all homes nearby

Lot size1.7 ac
SmallerTypical 1 acBigger

Bigger than 73% of homes nearby

Year built1988
OlderTypical 1972Newer

Newer than 65% of homes nearby

How 664 River Rd ranks against every home in each area.
MeasureThis homeWestport 02790Bristol County
Estimated valuepricier than$2,364,48198% of homesalmost all homes
Price per ft²pricier than$36847% of homes64% of homes
Living areabigger than6,420 ft²almost all homesalmost all homes
Lot sizebigger than1.7 ac73% of homes87% of homes
Year builtnewer than198865% of homes74% of homes

About 664 River Rd

How much is 664 River Rd, Westport, MA worth?

The TopHap Estimate for 664 River Rd, Westport, MA is $2,364,481 as of Oct 21, 2026. The likely range is $2,094,156 to $2,634,806. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 664 River Rd, Westport, MA last sell?

664 River Rd, Westport, MA last sold on Aug 18, 1999 for $659,000, according to the county's recorded deed.

How big is 664 River Rd, Westport, MA?

664 River Rd, Westport, MA has 5 bedrooms, 6,420 square feet of living space and a 1.70-acre lot.

When was 664 River Rd, Westport, MA built?

664 River Rd, Westport, MA was built in 1988, making it 38 years old. It is a contemporary home.

What schools serve 664 River Rd, Westport, MA?

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

How does 664 River Rd, Westport, MA compare to other homes in Westport 02790?

Among the 7,200 homes in Westport 02790, it is worth more than 98% of them ($2,364,481 against a typical $636,139), its price per square foot is higher than 47% of them ($368 against a typical $375), it is bigger than almost all of them (6,420 ft² against a typical 1,760 ft²), its lot is bigger than 73% of them (1.7 ac against a typical 1 ac) and it is newer than 65% of them (1988 against a typical 1972). Measured against all of Bristol County, it is worth more than almost all 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 664 River Rd, Westport, MA?

The 2025 property tax bill for 664 River Rd, Westport, MA was $11,297. The county assessed it at $1,516,400.

More homes on River Rd

Closest homes

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Assigned schools

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