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Duplex (2 Units, Any Combination)Residential
Last sold for $450,000 on Feb 11, 1999

40 ROCK ACRES

CORNWALL, NY 12518
7
Beds
6 / 1
Baths
8,196 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.
4.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1888
Year BuiltThe year the home was originally built, according to county records.
2
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.$450,000 · Feb 11, 1999

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.$644,200 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$144,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$499,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$644,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,019,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Mansion
CountyOrange
Lot (acres)The size of the land the home sits on, from county records.4.50
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 200 ft²Patio · 300 ft²Porch · 564 ft²Greenhouse

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

E
Cornwall Elementary SchoolB-
Elementary · Grades KG–4 · 1.3 mi
M
Cornwall Middle SchoolB-
Middle · Grades 5–8 · 1.6 mi
H
Cornwall Central High SchoolB+
High · Grades 9–12 · 2.6 mi

District: Cornwall Central School District

Neighborhood · ZIP 12518These 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.76
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 100.91

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
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.6,789
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.435 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$98,751
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,872
Average tempThe average temperature here across a full year.49°F
Annual precipHow much rain and melted snow falls here in a typical year.54 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

40 Rock Acres 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 largest homes in Cornwall 12518
  • Has a bigger lot than 96% of homes in Cornwall 12518
  • Older than 96% of homes in Orange County

How it measures up in Cornwall 12518

The dot is this home. The mark in the middle is the typical home in Cornwall 12518.

Living area8,196 ft²
SmallerTypical 1,904 ft²Bigger

Bigger than almost all homes nearby

Lot size4.5 ac
SmallerTypical 0.4 acBigger

Bigger than 96% of homes nearby

Year built1888
OlderTypical 1960Newer

Newer than 6% of homes nearby

How 40 Rock Acres ranks against every home in each area.
MeasureThis homeCornwall 12518Orange County
Living areabigger than8,196 ft²almost all homesalmost all homes
Lot sizebigger than4.5 ac96% of homes93% of homes
Year builtnewer than18886% of homes4% of homes

About 40 Rock Acres

When did 40 Rock Acres, Cornwall, NY last sell?

40 Rock Acres, Cornwall, NY last sold on Feb 11, 1999 for $450,000, according to the county's recorded deed.

How big is 40 Rock Acres, Cornwall, NY?

40 Rock Acres, Cornwall, NY has 7 bedrooms, 6 bathrooms, 8,196 square feet of living space and a 4.50-acre lot.

When was 40 Rock Acres, Cornwall, NY built?

40 Rock Acres, Cornwall, NY was built in 1888, making it 138 years old. It is a mansion home. The building has 2 stories.

What schools serve 40 Rock Acres, Cornwall, NY?

40 Rock Acres, Cornwall, NY is assigned to Cornwall Elementary School (elementary), rated B-; Cornwall Middle School (middle), rated B-; Cornwall Central High School (high), rated B+. All sit in Cornwall Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 40 Rock Acres, Cornwall, NY compare to other homes in Cornwall 12518?

Among the 1,728 homes in Cornwall 12518, it is bigger than almost all of them (8,196 ft² against a typical 1,904 ft²), its lot is bigger than 96% of them (4.5 ac against a typical 0.4 ac) and it is newer than 6% of them (1888 against a typical 1960). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

Closest homes

More homes in Cornwall 12518

Assigned schools

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