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Single Family ResidenceResidential
$517,238$488 / 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 Aug 30, 2026
Last sold for $106,000 on Aug 27, 1993

100 UNION ST

SOUTH HAMILTON, MA 01982
2
Beds
1.5
Baths
1,059 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.
2,805 ft²
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$517K
$492K low$543K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$106,000 · Aug 27, 1993

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,190 (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.$459,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$222,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$236,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$546,060

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
CountyESSEX
Lot (acres)The size of the land the home sits on, from county records.0.06
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Asphalt
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Winthrop Elementary SchoolA
Elementary · Grades PK–5 · 0.3 mi
H
Hamilton Wenham Regional High SchoolA
High · Grades 9–12 · 1.6 mi
M
Miles River Middle SchoolA-
Middle · Grades 6–8 · 1.8 mi

District: Hamilton-Wenham School District

Neighborhood · ZIP 01982These 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.50
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.92

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.4%
PopulationHow many people live in this area.7,595
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.540 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$127,368
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,926
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.48 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

100 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 less than 92% of homes in South Hamilton 01982
  • Costs more per square foot than 76% of homes in Essex County
  • Smaller than 90% of homes in South Hamilton 01982
  • Among the smallest lots in South Hamilton 01982

What homes are worth in South Hamilton 01982

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

This home
$123K$2.6M

This home is worth more than 8% of homes in South Hamilton 01982.

How it measures up in South Hamilton 01982

The dot is this home. The mark in the middle is the typical home in South Hamilton 01982.

Estimated value$517,238
CheaperTypical $903,641Pricier

Pricier than 8% of homes nearby

Price per ft²$488
CheaperTypical $459Pricier

Pricier than 63% of homes nearby

Living area1,059 ft²
SmallerTypical 1,992 ft²Bigger

Bigger than 10% of homes nearby

Lot size2,805 ft²
SmallerTypical 0.49 acBigger

Smaller than almost all homes nearby

Year built1965
OlderTypical 1956Newer

Newer than 64% of homes nearby

How 100 Union St ranks against every home in each area.
MeasureThis homeSouth Hamilton 01982Essex County
Estimated valuepricier than$517,2388% of homes20% of homes
Price per ft²pricier than$48863% of homes76% of homes
Living areabigger than1,059 ft²10% of homes12% of homes
Lot sizebigger than2,805 ft²almost no homes3% of homes
Year builtnewer than196564% of homes59% of homes

About 100 Union St

How much is 100 Union St, South Hamilton, MA worth?

The TopHap Estimate for 100 Union St, South Hamilton, MA is $517,238 as of Aug 30, 2026. The likely range is $491,805 to $542,671. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Union St, South Hamilton, MA last sell?

100 Union St, South Hamilton, MA last sold on Aug 27, 1993 for $106,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 100 Union St, South Hamilton, MA?

100 Union St, South Hamilton, MA has 2 bedrooms, 1.5 bathrooms, 1,059 square feet of living space and a 0.06-acre lot.

When was 100 Union St, South Hamilton, MA built?

100 Union St, South Hamilton, MA was built in 1965, making it 61 years old. It is a conventional home. The building has 2 stories.

What schools serve 100 Union St, South Hamilton, MA?

100 Union St, South Hamilton, MA is assigned to Winthrop Elementary School (elementary), rated A; Hamilton Wenham Regional High School (high), rated A; Miles River Middle School (middle), rated A-. All sit in Hamilton-Wenham School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Union St, South Hamilton, MA compare to other homes in South Hamilton 01982?

Among the 2,600 homes in South Hamilton 01982, it is worth more than 8% of them ($517,238 against a typical $903,641), its price per square foot is higher than 63% of them ($488 against a typical $459), it is bigger than 10% of them (1,059 ft² against a typical 1,992 ft²), its lot is bigger than almost none of them (2,805 ft² against a typical 0.49 ac) and it is newer than 64% of them (1965 against a typical 1956). Measured against all of Essex County, it is worth more than 20% 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 100 Union St, South Hamilton, MA?

The 2025 property tax bill for 100 Union St, South Hamilton, MA was $7,190. The county assessed it at $459,400.

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Assigned schools

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