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Single Family ResidenceResidential
$330,543$397 / 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 69How 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
Last sold for $109,000 on Aug 10, 1994

23 RIVER AVE

CORNWALL ON HUDSON, NY 12520
2
Beds
1
Baths
832 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$331K
$229K low$432K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$109,000 · Aug 10, 1994

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.$191,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$87,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$104,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$191,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$303,400

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
CountyOrange
Lot (acres)The size of the land the home sits on, from county records.0.21
HeatingThe type of heating system in the home.Hot Water
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 132 ft²

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

E
Cornwall-on-Hudson Elementary SchoolA
Elementary · Grades KG–4 · 0.1 mi
M
Cornwall Middle SchoolA
Middle · Grades 5–8 · 0.8 mi
H
Cornwall Central High SchoolA-
High · Grades 9–12 · 3.0 mi

District: Cornwall Central School District

Neighborhood · ZIP 12520These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.88

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.0%
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.2,573
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.543 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,187
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$137,291
Average tempThe average temperature here across a full year.50°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.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

23 River Ave 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 97% of homes in Cornwall on Hudson 12520
  • Costs more per square foot than 94% of homes in Cornwall on Hudson 12520
  • Among the smallest homes in Cornwall on Hudson 12520
  • Has a smaller lot than 68% of homes in Cornwall on Hudson 12520
  • Older than 89% of homes in Orange County

What homes are worth in Cornwall on Hudson 12520

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

This home
$314K$1.2M

This home is worth more than 3% of homes in Cornwall on Hudson 12520.

How it measures up in Cornwall on Hudson 12520

The dot is this home. The mark in the middle is the typical home in Cornwall on Hudson 12520.

Estimated value$330,543
CheaperTypical $540,023Pricier

Pricier than 3% of homes nearby

Price per ft²$397
CheaperTypical $304Pricier

Pricier than 94% of homes nearby

Living area832 ft²
SmallerTypical 1,874 ft²Bigger

Smaller than almost all homes nearby

Lot size0.21 ac
SmallerTypical 0.29 acBigger

Bigger than 32% of homes nearby

Year built1910
OlderTypical 1950Newer

Newer than 28% of homes nearby

How 23 River Ave ranks against every home in each area.
MeasureThis homeCornwall on Hudson 12520Orange County
Estimated valuepricier than$330,5433% of homes19% of homes
Price per ft²pricier than$39794% of homes94% of homes
Living areabigger than832 ft²almost no homes4% of homes
Lot sizebigger than0.21 ac32% of homes34% of homes
Year builtnewer than191028% of homes11% of homes

About 23 River Ave

How much is 23 River Ave, Cornwall On Hudson, NY worth?

The TopHap Estimate for 23 River Ave, Cornwall On Hudson, NY is $330,543 as of Oct 21, 2026. The likely range is $229,348 to $431,738. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 23 River Ave, Cornwall On Hudson, NY last sell?

23 River Ave, Cornwall On Hudson, NY last sold on Aug 10, 1994 for $109,000, according to the county's recorded deed.

How big is 23 River Ave, Cornwall On Hudson, NY?

23 River Ave, Cornwall On Hudson, NY has 2 bedrooms, 1 bathrooms, 832 square feet of living space and a 0.21-acre lot.

When was 23 River Ave, Cornwall On Hudson, NY built?

23 River Ave, Cornwall On Hudson, NY was built in 1910, making it 116 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 23 River Ave, Cornwall On Hudson, NY?

23 River Ave, Cornwall On Hudson, NY is assigned to Cornwall-on-Hudson Elementary School (elementary), rated A; Cornwall Middle School (middle), rated A; Cornwall Central High School (high), rated A-. All sit in Cornwall Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 23 River Ave, Cornwall On Hudson, NY compare to other homes in Cornwall on Hudson 12520?

Among the 1,132 homes in Cornwall on Hudson 12520, it is worth more than 3% of them ($330,543 against a typical $540,023), its price per square foot is higher than 94% of them ($397 against a typical $304), it is bigger than almost none of them (832 ft² against a typical 1,874 ft²), its lot is bigger than 32% of them (0.21 ac against a typical 0.29 ac) and it is newer than 28% of them (1910 against a typical 1950). Measured against all of Orange County, it is worth more than 19% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on River Ave

Closest homes

More homes in Cornwall On Hudson 12520

Assigned schools

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