Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
Last sold for $850,000 on Jan 27, 2021

75 ROUND HILL RD

ARMONK, NY 10504
0
Baths
552 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.
3.77 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.
1
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$850,000 · Jan 27, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$51,552 (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.$15,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$4,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$10,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$15,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$969,136

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.62
87
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
64
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.
43
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.104 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
CountyWESTCHESTER
Lot (acres)The size of the land the home sits on, from county records.3.77
HeatingThe type of heating system in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Coman Hill Elementary School
Elementary · Grades KG–2 · 1.0 mi
H
Byram Hills High SchoolA+
High · Grades 9–12 · 1.2 mi
M
H. C. Crittenden Middle SchoolA-
Middle · Grades 6–8 · 2.1 mi

District: Byram Hills Central School District

Neighborhood · ZIP 10504These 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.1
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.114
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.103

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.39%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.7%
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.8,155
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.454 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$226,553
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$315,450
Average tempThe average temperature here across a full year.51°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%

Owner Tools

Do you own this home?
Claim this home

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

75 Round Hill Rd 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.

  • Among the smallest homes in Armonk 10504
  • Has a bigger lot than 97% of homes in Westchester County
  • Older than 97% of homes in Armonk 10504

How it measures up in Armonk 10504

The dot is this home. The mark in the middle is the typical home in Armonk 10504.

Living area552 ft²
SmallerTypical 3,134 ft²Bigger

Smaller than almost all homes nearby

Lot size3.77 ac
SmallerTypical 1.53 acBigger

Bigger than 93% of homes nearby

Year built1900
OlderTypical 1972Newer

Newer than 3% of homes nearby

How 75 Round Hill Rd ranks against every home in each area.
MeasureThis homeArmonk 10504Westchester County
Living areabigger than552 ft²almost no homesalmost no homes
Lot sizebigger than3.77 ac93% of homes97% of homes
Year builtnewer than19003% of homes5% of homes

About 75 Round Hill Rd

When did 75 Round Hill Rd, Armonk, NY last sell?

75 Round Hill Rd, Armonk, NY last sold on Jan 27, 2021 for $850,000, according to the county's recorded deed.

How big is 75 Round Hill Rd, Armonk, NY?

75 Round Hill Rd, Armonk, NY has 552 square feet of living space and a 3.77-acre lot.

When was 75 Round Hill Rd, Armonk, NY built?

75 Round Hill Rd, Armonk, NY was built in 1900, making it 126 years old. The building has 1 story.

What schools serve 75 Round Hill Rd, Armonk, NY?

75 Round Hill Rd, Armonk, NY is assigned to Coman Hill Elementary School (elementary); Byram Hills High School (high), rated A+; H. C. Crittenden Middle School (middle), rated A-. All sit in Byram Hills Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 75 Round Hill Rd, Armonk, NY compare to other homes in Armonk 10504?

Among the 2,694 homes in Armonk 10504, it is bigger than almost none of them (552 ft² against a typical 3,134 ft²), its lot is bigger than 93% of them (3.77 ac against a typical 1.53 ac) and it is newer than 3% of them (1900 against a typical 1972). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 75 Round Hill Rd, Armonk, NY?

The 2025 property tax bill for 75 Round Hill Rd, Armonk, NY was $51,552. The county assessed it at $15,700.

More homes on Round Hill Rd

Closest homes

More homes in Armonk 10504

Assigned schools

Explore the area

See this home in context

Open 75 Round Hill Rd 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