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Single Family ResidenceResidential
$499,000$264 / 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 97How 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 $308,000 on May 26, 2022

18 UNION ST

TAUNTON, MA 02780
4
Beds
1.5
Baths
1,888 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.
3,920 ft²
Lot SizeThe size of the land the home sits on, from county records.
1810
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

$499K
$482K low$516K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$308,000 · May 26, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,084 (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.$373,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$81,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$292,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$401,280

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyBRISTOL
Lot (acres)The size of the land the home sits on, from county records.0.09
RoofThe main material covering the roof, such as asphalt shingle or tile.Shingle
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(6)

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
Taunton High SchoolD-
High · Grades 8–12 · 0.9 mi
M
John F. Parker Middle SchoolC
Middle · Grades 5–7 · 1.0 mi
E
Elizabeth Pole SchoolC
Elementary · Grades KG–4 · 1.2 mi

District: Taunton School District

Neighborhood · ZIP 02780These 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.109
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.62

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.53,999
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,428 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,724
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,415
Average tempThe average temperature here across a full year.49°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

18 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.

  • Costs less per square foot than 87% of homes in Taunton 02780
  • Bigger than 65% of homes in Taunton 02780
  • Among the smallest lots in Taunton 02780
  • Among the oldest homes in Taunton 02780

What homes are worth in Taunton 02780

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

This home
$242K$818K

This home is worth more than 52% of homes in Taunton 02780.

How it measures up in Taunton 02780

The dot is this home. The mark in the middle is the typical home in Taunton 02780.

Estimated value$499,000
CheaperTypical $493,672Pricier

Pricier than 52% of homes nearby

Price per ft²$264
CheaperTypical $327Pricier

Pricier than 13% of homes nearby

Living area1,888 ft²
SmallerTypical 1,632 ft²Bigger

Bigger than 65% of homes nearby

Lot size3,920 ft²
SmallerTypical 0.41 acBigger

Smaller than almost all homes nearby

Year built1810
OlderTypical 1967Newer

Older than almost all homes nearby

How 18 Union St ranks against every home in each area.
MeasureThis homeTaunton 02780Bristol County
Estimated valuepricier than$499,00052% of homes44% of homes
Price per ft²pricier than$26413% of homes13% of homes
Living areabigger than1,888 ft²65% of homes59% of homes
Lot sizebigger than3,920 ft²almost no homes7% of homes
Year builtnewer than1810almost no homesalmost no homes

About 18 Union St

How much is 18 Union St, Taunton, MA worth?

The TopHap Estimate for 18 Union St, Taunton, MA is $499,000 as of Sep 24, 2026. The likely range is $482,307 to $515,693. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Union St, Taunton, MA last sell?

18 Union St, Taunton, MA last sold on May 26, 2022 for $308,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Union St, Taunton, MA?

18 Union St, Taunton, MA has 4 bedrooms, 1.5 bathrooms, 1,888 square feet of living space and a 0.09-acre lot.

When was 18 Union St, Taunton, MA built?

18 Union St, Taunton, MA was built in 1810, making it 216 years old. The building has 2 stories.

What schools serve 18 Union St, Taunton, MA?

18 Union St, Taunton, MA is assigned to Taunton High School (high), rated D-; John F. Parker Middle School (middle), rated C; Elizabeth Pole School (elementary), rated C. All sit in Taunton School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Union St, Taunton, MA compare to other homes in Taunton 02780?

Among the 14,126 homes in Taunton 02780, it is worth more than 52% of them ($499,000 against a typical $493,672), its price per square foot is higher than 13% of them ($264 against a typical $327), it is bigger than 65% of them (1,888 ft² against a typical 1,632 ft²), its lot is bigger than almost none of them (3,920 ft² against a typical 0.41 ac) and it is newer than almost none of them (1810 against a typical 1967). Measured against all of Bristol County, it is worth more than 44% 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 18 Union St, Taunton, MA?

The 2025 property tax bill for 18 Union St, Taunton, MA was $4,084. The county assessed it at $373,300.

More homes on Union St

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