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Single Family ResidenceResidential
$367,961$187 / 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 92How 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

21 DONNER DR

WALDEN, NY 12586
5
Beds
2
Baths
1,968 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1967
Year BuiltThe year the home was originally built, according to county records.
1
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

$368K
$339K low$397K high

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$126,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$32,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$93,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$126,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$340,500

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
63
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
95
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
40
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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.Raised Ranch
CountyOrange
Lot (acres)The size of the land the home sits on, from county records.0.19
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 24 ft²Porch · 192 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.

Neighborhood · ZIP 12586These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.17%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.14%
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.12,810
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.577 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,981
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,251
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

21 Donner 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 less than 72% of homes in Orange County
  • Costs less per square foot than 92% of homes in Walden 12586
  • Has a smaller lot than 75% of homes in Walden 12586

What homes are worth in Walden 12586

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

This home
$247K$743K

This home is worth more than 33% of homes in Walden 12586.

How it measures up in Walden 12586

The dot is this home. The mark in the middle is the typical home in Walden 12586.

Estimated value$367,961
CheaperTypical $411,524Pricier

Pricier than 33% of homes nearby

Price per ft²$187
CheaperTypical $247Pricier

Pricier than 8% of homes nearby

Living area1,968 ft²
SmallerTypical 1,748 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.19 ac
SmallerTypical 0.41 acBigger

Bigger than 25% of homes nearby

Year built1967
OlderTypical 1966Newer

Newer than 52% of homes nearby

How 21 Donner Dr ranks against every home in each area.
MeasureThis homeWalden 12586Orange County
Estimated valuepricier than$367,96133% of homes28% of homes
Price per ft²pricier than$1878% of homes8% of homes
Living areabigger than1,968 ft²62% of homes59% of homes
Lot sizebigger than0.19 ac25% of homes32% of homes
Year builtnewer than196752% of homes41% of homes

About 21 Donner Dr

How much is 21 Donner Dr, Walden, NY worth?

The TopHap Estimate for 21 Donner Dr, Walden, NY is $367,961 as of Oct 21, 2026. The likely range is $338,656 to $397,266. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 Donner Dr, Walden, NY?

21 Donner Dr, Walden, NY has 5 bedrooms, 2 bathrooms, 1,968 square feet of living space and a 0.19-acre lot.

When was 21 Donner Dr, Walden, NY built?

21 Donner Dr, Walden, NY was built in 1967, making it 59 years old. It is a raised ranch home. The building has 1 story.

How does 21 Donner Dr, Walden, NY compare to other homes in Walden 12586?

Among the 3,966 homes in Walden 12586, it is worth more than 33% of them ($367,961 against a typical $411,524), its price per square foot is higher than 8% of them ($187 against a typical $247), it is bigger than 62% of them (1,968 ft² against a typical 1,748 ft²), its lot is bigger than 25% of them (0.19 ac against a typical 0.41 ac) and it is newer than 52% of them (1967 against a typical 1966). Measured against all of Orange County, it is worth more than 28% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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