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Single Family ResidenceResidential
$736,744$547 / 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 93How 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

639 ELM ST

SOUTH DARTMOUTH, MA 02748
3
Beds
2
Baths
1,347 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
Year BuiltThe year the home was originally built, according to county records.
1
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

$737K
$686K low$788K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,464 (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.$518,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$289,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$229,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$693,785

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.33
1
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.
49
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
84
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.
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.Cape Cod
CountyBRISTOL
Lot (acres)The size of the land the home sits on, from county records.0.26
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

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
Joseph DemelloB+
Elementary · Grades KG–5 · 0.9 mi
H
Dartmouth High SchoolB+
High · Grades 9–12 · 1.3 mi
M
Dartmouth Middle SchoolB+
Middle · Grades 6–8 · 1.9 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

639 Elm 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 83% of homes in Bristol County
  • Costs more per square foot than 97% of homes in Bristol County
  • Smaller than 71% of homes in South Dartmouth 02748
  • Has a smaller lot 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
$350K$3M

This home is worth more than 53% 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$736,744
CheaperTypical $706,152Pricier

Pricier than 53% of homes nearby

Price per ft²$547
CheaperTypical $421Pricier

Pricier than 80% of homes nearby

Living area1,347 ft²
SmallerTypical 1,768 ft²Bigger

Bigger than 29% of homes nearby

Lot size0.26 ac
SmallerTypical 0.41 acBigger

Bigger than 30% of homes nearby

Year built1963
OlderTypical 1965Newer

Newer than 49% of homes nearby

How 639 Elm St ranks against every home in each area.
MeasureThis homeSouth Dartmouth 02748Bristol County
Estimated valuepricier than$736,74453% of homes83% of homes
Price per ft²pricier than$54780% of homes97% of homes
Living areabigger than1,347 ft²29% of homes32% of homes
Lot sizebigger than0.26 ac30% of homes38% of homes
Year builtnewer than196349% of homes47% of homes

About 639 Elm St

How much is 639 Elm St, South Dartmouth, MA worth?

The TopHap Estimate for 639 Elm St, South Dartmouth, MA is $736,744 as of Aug 30, 2026. The likely range is $685,969 to $787,519. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 639 Elm St, South Dartmouth, MA last sell?

639 Elm St, South Dartmouth, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 639 Elm St, South Dartmouth, MA?

639 Elm St, South Dartmouth, MA has 3 bedrooms, 2 bathrooms, 1,347 square feet of living space and a 0.26-acre lot.

When was 639 Elm St, South Dartmouth, MA built?

639 Elm St, South Dartmouth, MA was built in 1963, making it 63 years old. It is a cape cod home. The building has 1 story.

What schools serve 639 Elm St, South Dartmouth, MA?

639 Elm 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 639 Elm 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 53% of them ($736,744 against a typical $706,152), its price per square foot is higher than 80% of them ($547 against a typical $421), it is bigger than 29% of them (1,347 ft² against a typical 1,768 ft²), its lot is bigger than 30% of them (0.26 ac against a typical 0.41 ac) and it is newer than 49% of them (1963 against a typical 1965). Measured against all of Bristol County, it is worth more than 83% 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 639 Elm St, South Dartmouth, MA?

The 2025 property tax bill for 639 Elm St, South Dartmouth, MA was $4,464. The county assessed it at $518,500.

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