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Single Family ResidenceResidential
$505,231$390 / 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 84How 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

21 SUMMIT AVE

SWANSEA, MA 02777
4
Beds
1.5
Baths
1,296 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.
1920
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$505K
$426K low$585K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,091 (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.$511,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$320,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$191,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$509,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$518,700

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
98
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
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.
93
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
28
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.197 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.Conventional
CountyBRISTOL
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.Stone
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

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
Gardner
Elementary · Grades KG–2 · 0.5 mi
M
Joseph Case Jr High SchoolB-
Middle · Grades 6–8 · 2.3 mi
H
Joseph Case High SchoolB-
High · Grades 9–12 · 2.5 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

21 Summit 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 74% of homes in Bristol County
  • Smaller than 71% of homes in Bristol County
  • Has a smaller lot than 72% of homes in Swansea 02777
  • Older than 87% 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
$307K$1M

This home is worth more than 52% 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$505,231
CheaperTypical $498,189Pricier

Pricier than 52% of homes nearby

Price per ft²$390
CheaperTypical $365Pricier

Pricier than 64% of homes nearby

Living area1,296 ft²
SmallerTypical 1,408 ft²Bigger

Bigger than 41% of homes nearby

Lot size0.29 ac
SmallerTypical 0.43 acBigger

Bigger than 28% of homes nearby

Year built1920
OlderTypical 1966Newer

Newer than 13% of homes nearby

How 21 Summit Ave ranks against every home in each area.
MeasureThis homeSwansea 02777Bristol County
Estimated valuepricier than$505,23152% of homes47% of homes
Price per ft²pricier than$39064% of homes74% of homes
Living areabigger than1,296 ft²41% of homes29% of homes
Lot sizebigger than0.29 ac28% of homes41% of homes
Year builtnewer than192013% of homes22% of homes

About 21 Summit Ave

How much is 21 Summit Ave, Swansea, MA worth?

The TopHap Estimate for 21 Summit Ave, Swansea, MA is $505,231 as of Aug 30, 2026. The likely range is $425,617 to $584,845. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Summit Ave, Swansea, MA last sell?

21 Summit Ave, Swansea, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 21 Summit Ave, Swansea, MA?

21 Summit Ave, Swansea, MA has 4 bedrooms, 1.5 bathrooms, 1,296 square feet of living space and a 0.29-acre lot.

When was 21 Summit Ave, Swansea, MA built?

21 Summit Ave, Swansea, MA was built in 1920, making it 106 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Summit Ave, Swansea, MA?

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

How does 21 Summit Ave, Swansea, MA compare to other homes in Swansea 02777?

Among the 6,446 homes in Swansea 02777, it is worth more than 52% of them ($505,231 against a typical $498,189), its price per square foot is higher than 64% of them ($390 against a typical $365), it is bigger than 41% of them (1,296 ft² against a typical 1,408 ft²), its lot is bigger than 28% of them (0.29 ac against a typical 0.43 ac) and it is newer than 13% of them (1920 against a typical 1966). Measured against all of Bristol County, it is worth more than 47% 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 21 Summit Ave, Swansea, MA?

The 2025 property tax bill for 21 Summit Ave, Swansea, MA was $6,091. The county assessed it at $511,000.

More homes on Summit Ave

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Assigned schools

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