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Single Family ResidenceResidential
$1,177,056$548 / 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 Sep 24, 2026
Last sold for $780,000 on Jun 28, 2005

20 HALSEY PL

VALHALLA, NY 10595
4
Beds
2
Baths
2,148 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.
0.81 ac
Lot SizeThe size of the land the home sits on, from county records.
1956
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1.2M
$1.1M low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$780,000 · Jun 28, 2005

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.$9,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,850
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$7,850
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$9,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$960,396

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.44
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
14
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
92
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Cape Cod
CountyWESTCHESTER
Lot (acres)The size of the land the home sits on, from county records.0.81
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

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

M
Westlake Middle SchoolA
Middle · Grades 6–8 · 0.8 mi
H
Westlake High SchoolB+
High · Grades 9–12 · 0.8 mi
E
Hawthorne Elementary School
Elementary · Grades KG–2 · 2.2 mi

District: Mount Pleasant Central School District

Neighborhood · ZIP 10595These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.108

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.8,911
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,341 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$121,492
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$152,218
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.51 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.55%

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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

20 Halsey Pl 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 82% of homes in Valhalla 10595
  • Costs more per square foot than 74% of homes in Valhalla 10595
  • Has a bigger lot than 84% of homes in Valhalla 10595

What homes are worth in Valhalla 10595

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

This home
$561K$1.8M

This home is worth more than 82% of homes in Valhalla 10595.

How it measures up in Valhalla 10595

The dot is this home. The mark in the middle is the typical home in Valhalla 10595.

Estimated value$1,177,056
CheaperTypical $870,553Pricier

Pricier than 82% of homes nearby

Price per ft²$548
CheaperTypical $476Pricier

Pricier than 74% of homes nearby

Living area2,148 ft²
SmallerTypical 1,876 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.81 ac
SmallerTypical 0.25 acBigger

Bigger than 84% of homes nearby

Year built1956
OlderTypical 1956Newer

Newer than 51% of homes nearby

How 20 Halsey Pl ranks against every home in each area.
MeasureThis homeValhalla 10595Westchester County
Estimated valuepricier than$1,177,05682% of homes69% of homes
Price per ft²pricier than$54874% of homes59% of homes
Living areabigger than2,148 ft²64% of homes53% of homes
Lot sizebigger than0.81 ac84% of homes83% of homes
Year builtnewer than195651% of homes54% of homes

About 20 Halsey Pl

How much is 20 Halsey Pl, Valhalla, NY worth?

The TopHap Estimate for 20 Halsey Pl, Valhalla, NY is $1,177,056 as of Sep 24, 2026. The likely range is $1,082,617 to $1,271,495. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 20 Halsey Pl, Valhalla, NY last sell?

20 Halsey Pl, Valhalla, NY last sold on Jun 28, 2005 for $780,000, according to the county's recorded deed.

How big is 20 Halsey Pl, Valhalla, NY?

20 Halsey Pl, Valhalla, NY has 4 bedrooms, 2 bathrooms, 2,148 square feet of living space and a 0.81-acre lot.

When was 20 Halsey Pl, Valhalla, NY built?

20 Halsey Pl, Valhalla, NY was built in 1956, making it 70 years old. It is a cape cod home. The building has 1 story.

What schools serve 20 Halsey Pl, Valhalla, NY?

20 Halsey Pl, Valhalla, NY is assigned to Westlake Middle School (middle), rated A; Westlake High School (high), rated B+; Hawthorne Elementary School (elementary). All sit in Mount Pleasant Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 20 Halsey Pl, Valhalla, NY compare to other homes in Valhalla 10595?

Among the 1,815 homes in Valhalla 10595, it is worth more than 82% of them ($1,177,056 against a typical $870,553), its price per square foot is higher than 74% of them ($548 against a typical $476), it is bigger than 64% of them (2,148 ft² against a typical 1,876 ft²), its lot is bigger than 84% of them (0.81 ac against a typical 0.25 ac) and it is newer than 51% of them (1956 against a typical 1956). Measured against all of Westchester County, it is worth more than 69% 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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