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Single Family ResidenceResidential
$301,152$184 / 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 64How 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 $29,000 on Jul 22, 2015

66 N UNION ST

PLAINFIELD, MA 01070
3
Beds
3
Baths
1,635 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.
66.73 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$301K
$193K low$409K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$29,000 · Jul 22, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,497 (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.$405,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$134,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$270,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$336,300

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.41
19
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
7
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
51
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
36
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%

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.Contemporary
CountyHAMPSHIRE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2016
Lot (acres)The size of the land the home sits on, from county records.66.73
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.Metal
HeatingThe type of heating system in the home.Hot Water
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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Sanderson AcademyC
Elementary · Grades PK–6 · 5.0 mi
M
Mohawk Trail Regional SchoolC-
Middle · Grades 7–12 · 9.9 mi

District: Mohawk Trail School District

Neighborhood · ZIP 01070These 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.166
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.52

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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.692
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.29 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$78,448
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$116,934
Average tempThe average temperature here across a full year.44°F
Annual precipHow much rain and melted snow falls here in a typical year.50 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

66 N 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 86% of homes in Hampshire County
  • Costs less per square foot than 93% of homes in Hampshire County
  • Among the largest lots in Hampshire County
  • Newer than 97% of homes in Hampshire County

What homes are worth in Plainfield 01070

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

This home
$86K$620K

This home is worth more than 57% of homes in Plainfield 01070.

How it measures up in Plainfield 01070

The dot is this home. The mark in the middle is the typical home in Plainfield 01070.

Estimated value$301,152
CheaperTypical $280,009Pricier

Pricier than 57% of homes nearby

Price per ft²$184
CheaperTypical $184Pricier

Pricier than 51% of homes nearby

Living area1,635 ft²
SmallerTypical 1,676 ft²Bigger

Bigger than 49% of homes nearby

Lot size66.73 ac
SmallerTypical 5.61 acBigger

Bigger than 98% of homes nearby

Year built2015
OlderTypical 1973Newer

Newer than 96% of homes nearby

How 66 N Union St ranks against every home in each area.
MeasureThis homePlainfield 01070Hampshire County
Estimated valuepricier than$301,15257% of homes14% of homes
Price per ft²pricier than$18451% of homes7% of homes
Living areabigger than1,635 ft²49% of homes48% of homes
Lot sizebigger than66.73 ac98% of homesalmost all homes
Year builtnewer than201596% of homes97% of homes

About 66 N Union St

How much is 66 N Union St, Plainfield, MA worth?

The TopHap Estimate for 66 N Union St, Plainfield, MA is $301,152 as of Sep 24, 2026. The likely range is $193,433 to $408,871. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 66 N Union St, Plainfield, MA last sell?

66 N Union St, Plainfield, MA last sold on Jul 22, 2015 for $29,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 66 N Union St, Plainfield, MA?

66 N Union St, Plainfield, MA has 3 bedrooms, 3 bathrooms, 1,635 square feet of living space and a 66.73-acre lot.

When was 66 N Union St, Plainfield, MA built?

66 N Union St, Plainfield, MA was built in 2015, making it 11 years old. It is a contemporary home. The building has 2 stories.

What schools serve 66 N Union St, Plainfield, MA?

66 N Union St, Plainfield, MA is assigned to Sanderson Academy (elementary), rated C; Mohawk Trail Regional School (middle), rated C-. All sit in Mohawk Trail School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 66 N Union St, Plainfield, MA compare to other homes in Plainfield 01070?

Among the 323 homes in Plainfield 01070, it is worth more than 57% of them ($301,152 against a typical $280,009), its price per square foot is higher than 51% of them ($184 against a typical $184), it is bigger than 49% of them (1,635 ft² against a typical 1,676 ft²), its lot is bigger than 98% of them (66.73 ac against a typical 5.61 ac) and it is newer than 96% of them (2015 against a typical 1973). Measured against all of Hampshire County, it is worth more than 14% 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 66 N Union St, Plainfield, MA?

The 2025 property tax bill for 66 N Union St, Plainfield, MA was $7,497. The county assessed it at $405,700.

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