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CondominiumResidential
$678,353$554 / 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 90How 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 $630,000 on Jan 30, 2025

46 UNION ST

SOUTH WEYMOUTH, MA 02190
Building report
3
Beds
2
Baths
1,225 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.
2021
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

$678K
$613K low$744K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$630,000 · Jan 30, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,042 (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.$498,200 (2026)
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$498,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$459,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$539,600

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.35
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
52
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
87
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
32
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.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyNORFOLK
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Heat Pump
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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.

H
Weymouth High SchoolC+
High · Grades 9–12 · 0.7 mi
E
Thomas W. Hamilton Primary SchoolB+
Elementary · Grades KG–5 · 0.9 mi

District: Weymouth School District

Neighborhood · ZIP 02190These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.19,738
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,573 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,816
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,397
Average tempThe average temperature here across a full year.50°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

46 Union 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 66% of homes in South Weymouth 02190
  • Costs more per square foot than 95% of homes in South Weymouth 02190
  • Smaller than 76% of homes in Norfolk County
  • Among the newest homes in South Weymouth 02190

What homes are worth in South Weymouth 02190

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

This home
$256K$1.1M

This home is worth more than 66% of homes in South Weymouth 02190.

How it measures up in South Weymouth 02190

The dot is this home. The mark in the middle is the typical home in South Weymouth 02190.

Estimated value$678,353
CheaperTypical $607,103Pricier

Pricier than 66% of homes nearby

Price per ft²$554
CheaperTypical $407Pricier

Pricier than 95% of homes nearby

Living area1,225 ft²
SmallerTypical 1,470 ft²Bigger

Bigger than 33% of homes nearby

Year built2021
OlderTypical 1965Newer

Newer than almost all homes nearby

How 46 Union St ranks against every home in each area.
MeasureThis homeSouth Weymouth 02190Norfolk County
Estimated valuepricier than$678,35366% of homes43% of homes
Price per ft²pricier than$55495% of homes75% of homes
Living areabigger than1,225 ft²33% of homes24% of homes
Year builtnewer than2021almost all homesalmost all homes

About 46 Union St

How much is 46 Union St, South Weymouth, MA worth?

The TopHap Estimate for 46 Union St, South Weymouth, MA is $678,353 as of Oct 21, 2026. The likely range is $612,883 to $743,823. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 46 Union St, South Weymouth, MA last sell?

46 Union St, South Weymouth, MA last sold on Jan 30, 2025 for $630,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 46 Union St, South Weymouth, MA?

46 Union St, South Weymouth, MA has 3 bedrooms, 2 bathrooms and 1,225 square feet of living space.

When was 46 Union St, South Weymouth, MA built?

46 Union St, South Weymouth, MA was built in 2021, making it 5 years old. It is a condo/apartment home.

What schools serve 46 Union St, South Weymouth, MA?

46 Union St, South Weymouth, MA is assigned to Weymouth High School (high), rated C+; Thomas W. Hamilton Primary School (elementary), rated B+. All sit in Weymouth School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 46 Union St, South Weymouth, MA compare to other homes in South Weymouth 02190?

Among the 6,161 homes in South Weymouth 02190, it is worth more than 66% of them ($678,353 against a typical $607,103), its price per square foot is higher than 95% of them ($554 against a typical $407), it is bigger than 33% of them (1,225 ft² against a typical 1,470 ft²) and it is newer than almost all of them (2021 against a typical 1965). Measured against all of Norfolk County, it is worth more than 43% 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 46 Union St, South Weymouth, MA?

The 2026 property tax bill for 46 Union St, South Weymouth, MA was $5,042. The county assessed it at $498,200.

More homes on Union St

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Assigned schools

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