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Duplex (2 Units, Any Combination)Residential

21 DEMAREST AVE

WEST HAVERSTRAW, NY 10993
4
Beds
4 / 1
Baths
2,432 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

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.$261,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$50,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$211,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$261,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$529,841

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.Traditional/Old
CountyRockland
Lot (acres)The size of the land the home sits on, from county records.0.16
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 · 108 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.

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

E
West Haverstraw Elementary SchoolD
Elementary · Grades KG–3 · 0.2 mi
H
North Rockland High SchoolB-
High · Grades 9–12 · 1.7 mi
M
Fieldstone Middle SchoolB-
Middle · Grades 7–8 · 2.4 mi

District: Haverstraw-Stony Point Central School District (North Rockland)

Neighborhood · ZIP 10993These 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.119
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.109

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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
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.4,249
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,658 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,282
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,094
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.52 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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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 Demarest 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.

  • Bigger than 95% of homes in West Haverstraw 10993
  • Has a bigger lot than 79% of homes in West Haverstraw 10993
  • Older than 91% of homes in Rockland County

How it measures up in West Haverstraw 10993

The dot is this home. The mark in the middle is the typical home in West Haverstraw 10993.

Living area2,432 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 95% of homes nearby

Lot size0.16 ac
SmallerTypical 3,485 ft²Bigger

Bigger than 79% of homes nearby

Year built1925
OlderTypical 1965Newer

Newer than 10% of homes nearby

How 21 Demarest Ave ranks against every home in each area.
MeasureThis homeWest Haverstraw 10993Rockland County
Living areabigger than2,432 ft²95% of homes69% of homes
Lot sizebigger than0.16 ac79% of homes28% of homes
Year builtnewer than192510% of homes9% of homes

About 21 Demarest Ave

How big is 21 Demarest Ave, West Haverstraw, NY?

21 Demarest Ave, West Haverstraw, NY has 4 bedrooms, 4 bathrooms, 2,432 square feet of living space and a 0.16-acre lot.

When was 21 Demarest Ave, West Haverstraw, NY built?

21 Demarest Ave, West Haverstraw, NY was built in 1925, making it 101 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 21 Demarest Ave, West Haverstraw, NY?

21 Demarest Ave, West Haverstraw, NY is assigned to West Haverstraw Elementary School (elementary), rated D; North Rockland High School (high), rated B-; Fieldstone Middle School (middle), rated B-. All sit in Haverstraw-Stony Point Central School District (North Rockland). Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Demarest Ave, West Haverstraw, NY compare to other homes in West Haverstraw 10993?

Among the 1,163 homes in West Haverstraw 10993, it is bigger than 95% of them (2,432 ft² against a typical 1,404 ft²), its lot is bigger than 79% of them (0.16 ac against a typical 3,485 ft²) and it is newer than 10% of them (1925 against a typical 1965). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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