Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$581,661$433 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

21 MOUNTAINVIEW AVE

PEARL RIVER, NY 10965
3
Beds
2 / 1
Baths
1,342 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$582K
$531K low$632K high

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.$155,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$117,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$155,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$486,045

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
CountyRockland
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Hot Water
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

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.

H
Pearl River High SchoolA+
High · Grades 8–12 · 0.1 mi
E
Evans Park SchoolB-
Elementary · Grades KG–4 · 0.4 mi
M
Pearl River Middle SchoolB
Middle · Grades 5–7 · 0.7 mi

District: Pearl River Union Free School District

Neighborhood · ZIP 10965These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.112
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.15,807
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,914 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$139,939
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$161,425
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.50 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.52%

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

21 Mountainview 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 83% of homes in Pearl River 10965
  • Costs more per square foot than 74% of homes in Rockland County
  • Smaller than 81% of homes in Rockland County
  • Has a smaller lot than 79% of homes in Pearl River 10965
  • Older than 91% of homes in Rockland County

What homes are worth in Pearl River 10965

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

This home
$345K$1.2M

This home is worth more than 17% of homes in Pearl River 10965.

How it measures up in Pearl River 10965

The dot is this home. The mark in the middle is the typical home in Pearl River 10965.

Estimated value$581,661
CheaperTypical $712,954Pricier

Pricier than 17% of homes nearby

Price per ft²$433
CheaperTypical $406Pricier

Pricier than 67% of homes nearby

Living area1,342 ft²
SmallerTypical 1,789 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.22 ac
SmallerTypical 0.32 acBigger

Bigger than 21% of homes nearby

Year built1928
OlderTypical 1958Newer

Newer than 13% of homes nearby

How 21 Mountainview Ave ranks against every home in each area.
MeasureThis homePearl River 10965Rockland County
Estimated valuepricier than$581,66117% of homes25% of homes
Price per ft²pricier than$43367% of homes74% of homes
Living areabigger than1,342 ft²23% of homes19% of homes
Lot sizebigger than0.22 ac21% of homes34% of homes
Year builtnewer than192813% of homes9% of homes

About 21 Mountainview Ave

How much is 21 Mountainview Ave, Pearl River, NY worth?

The TopHap Estimate for 21 Mountainview Ave, Pearl River, NY is $581,661 as of Aug 30, 2026. The likely range is $531,336 to $631,986. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Mountainview Ave, Pearl River, NY last sell?

21 Mountainview Ave, Pearl River, NY last sold on Feb 28, 2022, according to the county's recorded deed.

How big is 21 Mountainview Ave, Pearl River, NY?

21 Mountainview Ave, Pearl River, NY has 3 bedrooms, 2 bathrooms, 1,342 square feet of living space and a 0.22-acre lot.

When was 21 Mountainview Ave, Pearl River, NY built?

21 Mountainview Ave, Pearl River, NY was built in 1928, making it 98 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 21 Mountainview Ave, Pearl River, NY?

21 Mountainview Ave, Pearl River, NY is assigned to Pearl River High School (high), rated A+; Evans Park School (elementary), rated B-; Pearl River Middle School (middle), rated B. All sit in Pearl River Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Mountainview Ave, Pearl River, NY compare to other homes in Pearl River 10965?

Among the 4,704 homes in Pearl River 10965, it is worth more than 17% of them ($581,661 against a typical $712,954), its price per square foot is higher than 67% of them ($433 against a typical $406), it is bigger than 23% of them (1,342 ft² against a typical 1,789 ft²), its lot is bigger than 21% of them (0.22 ac against a typical 0.32 ac) and it is newer than 13% of them (1928 against a typical 1958). Measured against all of Rockland County, it is worth more than 25% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Mountainview Ave

Closest homes

More homes in Pearl River 10965

Assigned schools

Explore the area

See this home in context

Open 21 Mountainview Ave 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