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Duplex (2 Units, Any Combination)Residential

21 RIDGE AVE

SPRING VALLEY, NY 10977
3
Beds
1
Baths
1,352 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.
1977
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

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.$38,300 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$8,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$29,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$38,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$507,957

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
CountyRockland
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

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

H
Spring Valley High SchoolD-
High · Grades 9–12 · 0.3 mi
E
Margetts Elementary SchoolD
Elementary · Grades KG–3 · 1.5 mi
M
Chestnut Ridge Middle SchoolC-
Middle · Grades 7–8 · 2.1 mi

District: East Ramapo Central School District (Spring Valley)

Neighborhood · ZIP 10977These 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.93
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 100.112

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.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.29%
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.71,017
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,361 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,385
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$106,289
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.52%

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 Ridge 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.

  • Smaller than 85% of homes in Spring Valley 10977
  • Has a smaller lot than 66% of homes in Rockland County
  • Newer than 67% of homes in Rockland County

How it measures up in Spring Valley 10977

The dot is this home. The mark in the middle is the typical home in Spring Valley 10977.

Living area1,352 ft²
SmallerTypical 2,148 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.21 ac
SmallerTypical 0.24 acBigger

Bigger than 47% of homes nearby

Year built1977
OlderTypical 1974Newer

Newer than 53% of homes nearby

How 21 Ridge Ave ranks against every home in each area.
MeasureThis homeSpring Valley 10977Rockland County
Living areabigger than1,352 ft²15% of homes20% of homes
Lot sizebigger than0.21 ac47% of homes34% of homes
Year builtnewer than197753% of homes67% of homes

About 21 Ridge Ave

When did 21 Ridge Ave, Spring Valley, NY last sell?

21 Ridge Ave, Spring Valley, NY last sold on Aug 22, 2017, according to the county's recorded deed.

How big is 21 Ridge Ave, Spring Valley, NY?

21 Ridge Ave, Spring Valley, NY has 3 bedrooms, 1 bathrooms, 1,352 square feet of living space and a 0.21-acre lot.

When was 21 Ridge Ave, Spring Valley, NY built?

21 Ridge Ave, Spring Valley, NY was built in 1977, making it 49 years old. The building has 2 stories.

What schools serve 21 Ridge Ave, Spring Valley, NY?

21 Ridge Ave, Spring Valley, NY is assigned to Spring Valley High School (high), rated D-; Margetts Elementary School (elementary), rated D; Chestnut Ridge Middle School (middle), rated C-. All sit in East Ramapo Central School District (Spring Valley). Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Ridge Ave, Spring Valley, NY compare to other homes in Spring Valley 10977?

Among the 10,972 homes in Spring Valley 10977, it is bigger than 15% of them (1,352 ft² against a typical 2,148 ft²), its lot is bigger than 47% of them (0.21 ac against a typical 0.24 ac) and it is newer than 53% of them (1977 against a typical 1974). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Ridge Ave

Closest homes

More homes in Spring Valley 10977

Assigned schools

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