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Single Family ResidenceResidential
$577,536$230 / 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 91How 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

16 KOSIOR DR

HADLEY, MA 01035
5
Beds
2
Baths
2,509 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$578K
$527K low$628K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,991 (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.$522,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$140,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$382,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$503,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$601,832

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.Cape Cod
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.1986
Lot (acres)The size of the land the home sits on, from county records.0.50
RoofThe main material covering the roof, such as asphalt shingle or tile.Metal
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(8)

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.

M
Hopkins AcademyB
Middle · Grades 7–12 · 0.4 mi
E
Hadley Elementary SchoolB
Elementary · Grades PK–6 · 1.1 mi

District: Hadley School District

Neighborhood · ZIP 01035These 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.102
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.93
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.56

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.7%
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.5,530
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.227 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,113
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,035
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

16 Kosior Dr 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 77% of homes in Hampshire County
  • Costs less per square foot than 88% of homes in Hadley 01035
  • Bigger than 83% of homes in Hampshire County
  • Has a smaller lot than 76% of homes in Hadley 01035
  • Newer than 65% of homes in Hampshire County

What homes are worth in Hadley 01035

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

This home
$264K$967K

This home is worth more than 72% of homes in Hadley 01035.

How it measures up in Hadley 01035

The dot is this home. The mark in the middle is the typical home in Hadley 01035.

Estimated value$577,536
CheaperTypical $496,418Pricier

Pricier than 72% of homes nearby

Price per ft²$230
CheaperTypical $289Pricier

Pricier than 12% of homes nearby

Living area2,509 ft²
SmallerTypical 1,760 ft²Bigger

Bigger than 81% of homes nearby

Lot size0.5 ac
SmallerTypical 0.74 acBigger

Bigger than 24% of homes nearby

Year built1980
OlderTypical 1970Newer

Newer than 64% of homes nearby

How 16 Kosior Dr ranks against every home in each area.
MeasureThis homeHadley 01035Hampshire County
Estimated valuepricier than$577,53672% of homes77% of homes
Price per ft²pricier than$23012% of homes22% of homes
Living areabigger than2,509 ft²81% of homes83% of homes
Lot sizebigger than0.5 ac24% of homes40% of homes
Year builtnewer than198064% of homes65% of homes

About 16 Kosior Dr

How much is 16 Kosior Dr, Hadley, MA worth?

The TopHap Estimate for 16 Kosior Dr, Hadley, MA is $577,536 as of Oct 21, 2026. The likely range is $526,723 to $628,349. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 16 Kosior Dr, Hadley, MA last sell?

16 Kosior Dr, Hadley, MA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 16 Kosior Dr, Hadley, MA?

16 Kosior Dr, Hadley, MA has 5 bedrooms, 2 bathrooms, 2,509 square feet of living space and a 0.50-acre lot.

When was 16 Kosior Dr, Hadley, MA built?

16 Kosior Dr, Hadley, MA was built in 1980, making it 46 years old. It is a cape cod home. The building has 2 stories.

What schools serve 16 Kosior Dr, Hadley, MA?

16 Kosior Dr, Hadley, MA is assigned to Hopkins Academy (middle), rated B; Hadley Elementary School (elementary), rated B. All sit in Hadley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 16 Kosior Dr, Hadley, MA compare to other homes in Hadley 01035?

Among the 1,966 homes in Hadley 01035, it is worth more than 72% of them ($577,536 against a typical $496,418), its price per square foot is higher than 12% of them ($230 against a typical $289), it is bigger than 81% of them (2,509 ft² against a typical 1,760 ft²), its lot is bigger than 24% of them (0.5 ac against a typical 0.74 ac) and it is newer than 64% of them (1980 against a typical 1970). Measured against all of Hampshire County, it is worth more than 77% 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 16 Kosior Dr, Hadley, MA?

The 2026 property tax bill for 16 Kosior Dr, Hadley, MA was $5,991. The county assessed it at $522,800.

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