Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$409,194$258 / 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 Jul 14, 2026
Last sold for $398,000 on Mar 30, 2026

17 COUNTY ROUTE 21

WINDHAM, NY 12496
5
Beds
3
Baths
1,584 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.
0.33 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.
3
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$409K
$396K low$423K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$398,000 · Mar 30, 2026
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$409,194
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$327,355

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,866 (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.$163,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$163,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$311,748

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.20 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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.Traditional/Old
CountyGreene
Lot (acres)The size of the land the home sits on, from county records.0.33
HeatingThe type of heating system in the home.Forced Air
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 120 ft²Patio · 24 ft²Porch · 400 ft²

Transaction History(1)

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
Windham Ashland Central SchoolB-
Elementary · Grades PK–12 · 0.5 mi

District: Windham-Ashland-Jewett Central School District

Neighborhood · ZIP 12496These 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.163
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.58

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.36%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.1,686
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.39 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,311
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$95,729
Average tempThe average temperature here across a full year.43°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

17 County Route 21 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 69% of homes in Windham 12496
  • Costs less per square foot than 74% of homes in Windham 12496
  • Has a smaller lot than 81% of homes in Greene County
  • Older than 93% of homes in Windham 12496

What homes are worth in Windham 12496

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

This home
$165K$2.3M

This home is worth more than 31% of homes in Windham 12496.

How it measures up in Windham 12496

The dot is this home. The mark in the middle is the typical home in Windham 12496.

Estimated value$409,194
CheaperTypical $557,076Pricier

Pricier than 31% of homes nearby

Price per ft²$258
CheaperTypical $354Pricier

Pricier than 26% of homes nearby

Living area1,584 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 46% of homes nearby

Lot size0.33 ac
SmallerTypical 1 acBigger

Bigger than 31% of homes nearby

Year built1900
OlderTypical 1986Newer

Newer than 7% of homes nearby

How 17 County Route 21 ranks against every home in each area.
MeasureThis homeWindham 12496Greene County
Estimated valuepricier than$409,19431% of homes56% of homes
Price per ft²pricier than$25826% of homes55% of homes
Living areabigger than1,584 ft²46% of homes53% of homes
Lot sizebigger than0.33 ac31% of homes19% of homes
Year builtnewer than19007% of homes16% of homes

About 17 County Route 21

How much is 17 County Route 21, Windham, NY worth?

The TopHap Estimate for 17 County Route 21, Windham, NY is $409,194 as of Jul 14, 2026. The likely range is $395,875 to $422,513. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17 County Route 21, Windham, NY last sell?

17 County Route 21, Windham, NY last sold on Mar 30, 2026 for $398,000, according to the county's recorded deed.

How big is 17 County Route 21, Windham, NY?

17 County Route 21, Windham, NY has 5 bedrooms, 3 bathrooms, 1,584 square feet of living space and a 0.33-acre lot.

When was 17 County Route 21, Windham, NY built?

17 County Route 21, Windham, NY was built in 1900, making it 126 years old. It is a traditional/old home. The building has 3 stories.

What schools serve 17 County Route 21, Windham, NY?

17 County Route 21, Windham, NY is assigned to Windham Ashland Central School (elementary), rated B-. All sit in Windham-Ashland-Jewett Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17 County Route 21, Windham, NY compare to other homes in Windham 12496?

Among the 2,275 homes in Windham 12496, it is worth more than 31% of them ($409,194 against a typical $557,076), its price per square foot is higher than 26% of them ($258 against a typical $354), it is bigger than 46% of them (1,584 ft² against a typical 1,680 ft²), its lot is bigger than 31% of them (0.33 ac against a typical 1 ac) and it is newer than 7% of them (1900 against a typical 1986). Measured against all of Greene County, it is worth more than 56% 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 17 County Route 21, Windham, NY?

The 2025 property tax bill for 17 County Route 21, Windham, NY was $2,866. The county assessed it at $163,200.

Closest homes

More homes in Windham 12496

Assigned schools

Explore the area

See this home in context

Open 17 County Route 21 on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map