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Single Family ResidenceResidential
$355,443$502 / 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 95How 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 $187,850 on Mar 27, 2017

31 RIVER AVE

SWANSEA, MA 02777
2
Beds
1
Baths
708 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.
2,178 ft²
Lot SizeThe size of the land the home sits on, from county records.
1920
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

$355K
$339K low$372K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$187,850 · Mar 27, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,419 (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.$301,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$131,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$170,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$298,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$366,947

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.112 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.89%
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Bungalow
CountyBRISTOL
Lot (acres)The size of the land the home sits on, from county records.0.05
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.Steam
GarageWhether the property has a garage, and details like whether it is attached to the home.Carport (Unspecified)
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(11)

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
Joseph Case Jr High SchoolB-
Middle · Grades 6–8 · 2.0 mi
H
Joseph Case High SchoolB-
High · Grades 9–12 · 2.1 mi
E
Mark G Hoyle Elementary School
Elementary · Grades PK–2 · 3.0 mi

District: Swansea School District

Neighborhood · ZIP 02777These 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.53
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.58

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.17,457
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.692 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$107,907
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,912
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

31 River 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.

  • Worth less than 94% of homes in Swansea 02777
  • Costs more per square foot than 96% of homes in Swansea 02777
  • Among the smallest homes in Bristol County
  • Among the smallest lots in Swansea 02777
  • Older than 88% of homes in Swansea 02777

What homes are worth in Swansea 02777

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

This home
$303K$1M

This home is worth more than 6% of homes in Swansea 02777.

How it measures up in Swansea 02777

The dot is this home. The mark in the middle is the typical home in Swansea 02777.

Estimated value$355,443
CheaperTypical $500,831Pricier

Pricier than 6% of homes nearby

Price per ft²$502
CheaperTypical $366Pricier

Pricier than 96% of homes nearby

Living area708 ft²
SmallerTypical 1,420 ft²Bigger

Bigger than 2% of homes nearby

Lot size2,178 ft²
SmallerTypical 0.43 acBigger

Smaller than almost all homes nearby

Year built1920
OlderTypical 1966Newer

Newer than 12% of homes nearby

How 31 River Ave ranks against every home in each area.
MeasureThis homeSwansea 02777Bristol County
Estimated valuepricier than$355,4436% of homes9% of homes
Price per ft²pricier than$50296% of homes94% of homes
Living areabigger than708 ft²2% of homesalmost no homes
Lot sizebigger than2,178 ft²almost no homesalmost no homes
Year builtnewer than192012% of homes22% of homes

About 31 River Ave

How much is 31 River Ave, Swansea, MA worth?

The TopHap Estimate for 31 River Ave, Swansea, MA is $355,443 as of Oct 21, 2026. The likely range is $338,593 to $372,293. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 31 River Ave, Swansea, MA last sell?

31 River Ave, Swansea, MA last sold on Mar 27, 2017 for $187,850, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 31 River Ave, Swansea, MA?

31 River Ave, Swansea, MA has 2 bedrooms, 1 bathrooms, 708 square feet of living space and a 0.05-acre lot.

When was 31 River Ave, Swansea, MA built?

31 River Ave, Swansea, MA was built in 1920, making it 106 years old. It is a bungalow home. The building has 1 story.

What schools serve 31 River Ave, Swansea, MA?

31 River Ave, Swansea, MA is assigned to Joseph Case Jr High School (middle), rated B-; Joseph Case High School (high), rated B-; Mark G Hoyle Elementary School (elementary). All sit in Swansea School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 31 River Ave, Swansea, MA compare to other homes in Swansea 02777?

Among the 6,446 homes in Swansea 02777, it is worth more than 6% of them ($355,443 against a typical $500,831), its price per square foot is higher than 96% of them ($502 against a typical $366), it is bigger than 2% of them (708 ft² against a typical 1,420 ft²), its lot is bigger than almost none of them (2,178 ft² against a typical 0.43 ac) and it is newer than 12% of them (1920 against a typical 1966). Measured against all of Bristol County, it is worth more than 9% 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 31 River Ave, Swansea, MA?

The 2026 property tax bill for 31 River Ave, Swansea, MA was $3,419. The county assessed it at $301,000.

More homes on River Ave

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Assigned schools

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