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Single Family ResidenceResidential
$1,061,093$496 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $459,500 on Jun 30, 2008

20 HARBOR ST

SOUTH DARTMOUTH, MA 02748
3
Beds
2.5
Baths
2,138 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$1.1M
$968K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$459,500 · Jun 30, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,042 (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.$701,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$284,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$417,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$735,110

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.Cape Cod
CountyBRISTOL
Lot (acres)The size of the land the home sits on, from county records.0.27
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Hot Water
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(3)

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
Joseph DemelloB+
Elementary · Grades KG–5 · 1.3 mi
H
Dartmouth High SchoolB-
High · Grades 9–12 · 2.0 mi
M
Dartmouth Middle SchoolB+
Middle · Grades 6–8 · 3.0 mi

District: Dartmouth School District

Neighborhood · ZIP 02748These 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.117
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.12,068
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.466 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,677
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$132,559
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

20 Harbor St 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 more than 96% of homes in Bristol County
  • Costs more per square foot than 94% of homes in Bristol County
  • Bigger than 69% of homes in Bristol County
  • Has a smaller lot than 70% of homes in South Dartmouth 02748
  • Older than 70% of homes in South Dartmouth 02748

What homes are worth in South Dartmouth 02748

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

This home
$371K$3M

This home is worth more than 74% of homes in South Dartmouth 02748.

How it measures up in South Dartmouth 02748

The dot is this home. The mark in the middle is the typical home in South Dartmouth 02748.

Estimated value$1,061,093
CheaperTypical $712,191Pricier

Pricier than 74% of homes nearby

Price per ft²$496
CheaperTypical $421Pricier

Pricier than 72% of homes nearby

Living area2,138 ft²
SmallerTypical 1,782 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.27 ac
SmallerTypical 0.41 acBigger

Bigger than 30% of homes nearby

Year built1940
OlderTypical 1965Newer

Newer than 30% of homes nearby

How 20 Harbor St ranks against every home in each area.
MeasureThis homeSouth Dartmouth 02748Bristol County
Estimated valuepricier than$1,061,09374% of homes96% of homes
Price per ft²pricier than$49672% of homes94% of homes
Living areabigger than2,138 ft²65% of homes69% of homes
Lot sizebigger than0.27 ac30% of homes38% of homes
Year builtnewer than194030% of homes31% of homes

About 20 Harbor St

How much is 20 Harbor St, South Dartmouth, MA worth?

The TopHap Estimate for 20 Harbor St, South Dartmouth, MA is $1,061,093 as of Sep 24, 2026. The likely range is $967,769 to $1,154,417. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Harbor St, South Dartmouth, MA last sell?

20 Harbor St, South Dartmouth, MA last sold on Jun 30, 2008 for $459,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 20 Harbor St, South Dartmouth, MA?

20 Harbor St, South Dartmouth, MA has 3 bedrooms, 2.5 bathrooms, 2,138 square feet of living space and a 0.27-acre lot.

When was 20 Harbor St, South Dartmouth, MA built?

20 Harbor St, South Dartmouth, MA was built in 1940, making it 86 years old. It is a cape cod home. The building has 2 stories.

What schools serve 20 Harbor St, South Dartmouth, MA?

20 Harbor St, South Dartmouth, MA is assigned to Joseph Demello (elementary), rated B+; Dartmouth High School (high), rated B-; Dartmouth Middle School (middle), rated B+. All sit in Dartmouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Harbor St, South Dartmouth, MA compare to other homes in South Dartmouth 02748?

Among the 4,976 homes in South Dartmouth 02748, it is worth more than 74% of them ($1,061,093 against a typical $712,191), its price per square foot is higher than 72% of them ($496 against a typical $421), it is bigger than 65% of them (2,138 ft² against a typical 1,782 ft²), its lot is bigger than 30% of them (0.27 ac against a typical 0.41 ac) and it is newer than 30% of them (1940 against a typical 1965). Measured against all of Bristol County, it is worth more than 96% 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 20 Harbor St, South Dartmouth, MA?

The 2025 property tax bill for 20 Harbor St, South Dartmouth, MA was $6,042. The county assessed it at $701,700.

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