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Single Family ResidenceResidential
$428,321$348 / 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 $420,000 on Feb 27, 2026

251 UNION ST

WHITINSVILLE, MA 01588
3
Beds
1
Baths
1,231 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.
1.48 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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

$428K
$385K low$472K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$420,000 · Feb 27, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,682 (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.$316,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$160,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$156,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$300,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$375,155

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
CountyWORCESTER
Lot (acres)The size of the land the home sits on, from county records.1.48
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(13)

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
Northbridge High SchoolC
High · Grades 9–12 · 0.6 mi
M
Northbridge Middle SchoolC-
Middle · Grades 6–8 · 0.9 mi
E
Northbridge Elementary SchoolC+
Elementary · Grades PK–5 · 2.2 mi

District: Northbridge School District

Neighborhood · ZIP 01588These 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.79
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.105
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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.4%
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.9,845
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,097 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$103,975
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$123,285
Average tempThe average temperature here across a full year.48°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.50%

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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

251 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 more per square foot than 73% of homes in Worcester County
  • Smaller than 77% of homes in Worcester County
  • Has a bigger lot than 82% of homes in Whitinsville 01588
  • Older than 87% of homes in Worcester County

What homes are worth in Whitinsville 01588

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

This home
$234K$873K

This home is worth more than 36% of homes in Whitinsville 01588.

How it measures up in Whitinsville 01588

The dot is this home. The mark in the middle is the typical home in Whitinsville 01588.

Estimated value$428,321
CheaperTypical $476,556Pricier

Pricier than 36% of homes nearby

Price per ft²$348
CheaperTypical $316Pricier

Pricier than 68% of homes nearby

Living area1,231 ft²
SmallerTypical 1,640 ft²Bigger

Bigger than 27% of homes nearby

Lot size1.48 ac
SmallerTypical 0.47 acBigger

Bigger than 82% of homes nearby

Year built1900
OlderTypical 1968Newer

Newer than 17% of homes nearby

How 251 Union St ranks against every home in each area.
MeasureThis homeWhitinsville 01588Worcester County
Estimated valuepricier than$428,32136% of homes38% of homes
Price per ft²pricier than$34868% of homes73% of homes
Living areabigger than1,231 ft²27% of homes23% of homes
Lot sizebigger than1.48 ac82% of homes76% of homes
Year builtnewer than190017% of homes13% of homes

About 251 Union St

How much is 251 Union St, Whitinsville, MA worth?

The TopHap Estimate for 251 Union St, Whitinsville, MA is $428,321 as of Oct 21, 2026. The likely range is $384,521 to $472,121. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 251 Union St, Whitinsville, MA last sell?

251 Union St, Whitinsville, MA last sold on Feb 27, 2026 for $420,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 251 Union St, Whitinsville, MA?

251 Union St, Whitinsville, MA has 3 bedrooms, 1 bathrooms, 1,231 square feet of living space and a 1.48-acre lot.

When was 251 Union St, Whitinsville, MA built?

251 Union St, Whitinsville, MA was built in 1900, making it 126 years old. It is a conventional home. The building has 2 stories.

What schools serve 251 Union St, Whitinsville, MA?

251 Union St, Whitinsville, MA is assigned to Northbridge High School (high), rated C; Northbridge Middle School (middle), rated C-; Northbridge Elementary School (elementary), rated C+. All sit in Northbridge School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 251 Union St, Whitinsville, MA compare to other homes in Whitinsville 01588?

Among the 3,177 homes in Whitinsville 01588, it is worth more than 36% of them ($428,321 against a typical $476,556), its price per square foot is higher than 68% of them ($348 against a typical $316), it is bigger than 27% of them (1,231 ft² against a typical 1,640 ft²), its lot is bigger than 82% of them (1.48 ac against a typical 0.47 ac) and it is newer than 17% of them (1900 against a typical 1968). Measured against all of Worcester County, it is worth more than 38% 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 251 Union St, Whitinsville, MA?

The 2026 property tax bill for 251 Union St, Whitinsville, MA was $3,682. The county assessed it at $316,600.

More homes on Union St

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Assigned schools

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