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Single Family Residence w/ ADUResidential
$644,377$284 / 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 95How 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
Last sold for $425,000 on Sep 18, 2018

11 ROCK DR

VALLEY COTTAGE, NY 10989
3 / 1
Baths
2,265 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$644K
$612K low$676K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$425,000 · Sep 18, 2018

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.$115,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$25,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$90,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$115,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$546,099

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence w/ ADU
StyleThe architectural style of the home, such as ranch or colonial.Raised Ranch
CountyRockland
Lot (acres)The size of the land the home sits on, from county records.0.23
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, Basement
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 96 ft²Patio · 72 ft²Porch · 309 ft²

Transaction History(3)

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
Liberty Elementary SchoolC+
Elementary · Grades KG–5 · 0.4 mi
H
Nyack Senior High SchoolB+
High · Grades 9–12 · 1.2 mi
M
Nyack Middle SchoolB
Middle · Grades 6–8 · 2.5 mi

District: Nyack Union Free School District

Neighborhood · ZIP 10989These 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.87
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.110
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.113

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.9,674
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,624 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$131,793
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$165,022
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%

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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

11 Rock Dr 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 67% of homes in Rockland County
  • Costs less per square foot than 92% of homes in Valley Cottage 10989
  • Bigger than 76% of homes in Valley Cottage 10989

What homes are worth in Valley Cottage 10989

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

This home
$290K$992K

This home is worth more than 56% of homes in Valley Cottage 10989.

How it measures up in Valley Cottage 10989

The dot is this home. The mark in the middle is the typical home in Valley Cottage 10989.

Estimated value$644,377
CheaperTypical $617,184Pricier

Pricier than 56% of homes nearby

Price per ft²$284
CheaperTypical $348Pricier

Pricier than 8% of homes nearby

Living area2,265 ft²
SmallerTypical 1,828 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.23 ac
SmallerTypical 0.35 acBigger

Bigger than 37% of homes nearby

Year built1969
OlderTypical 1971Newer

Newer than 43% of homes nearby

How 11 Rock Dr ranks against every home in each area.
MeasureThis homeValley Cottage 10989Rockland County
Estimated valuepricier than$644,37756% of homes33% of homes
Price per ft²pricier than$2848% of homes10% of homes
Living areabigger than2,265 ft²76% of homes63% of homes
Lot sizebigger than0.23 ac37% of homes37% of homes
Year builtnewer than196943% of homes52% of homes

About 11 Rock Dr

How much is 11 Rock Dr, Valley Cottage, NY worth?

The TopHap Estimate for 11 Rock Dr, Valley Cottage, NY is $644,377 as of Aug 30, 2026. The likely range is $612,411 to $676,343. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 11 Rock Dr, Valley Cottage, NY last sell?

11 Rock Dr, Valley Cottage, NY last sold on Sep 18, 2018 for $425,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 11 Rock Dr, Valley Cottage, NY?

11 Rock Dr, Valley Cottage, NY has 3 bathrooms, 2,265 square feet of living space and a 0.23-acre lot.

When was 11 Rock Dr, Valley Cottage, NY built?

11 Rock Dr, Valley Cottage, NY was built in 1969, making it 57 years old. It is a raised ranch home. The building has 1 story.

What schools serve 11 Rock Dr, Valley Cottage, NY?

11 Rock Dr, Valley Cottage, NY is assigned to Liberty Elementary School (elementary), rated C+; Nyack Senior High School (high), rated B+; Nyack Middle School (middle), rated B. All sit in Nyack Union Free School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 11 Rock Dr, Valley Cottage, NY compare to other homes in Valley Cottage 10989?

Among the 3,248 homes in Valley Cottage 10989, it is worth more than 56% of them ($644,377 against a typical $617,184), its price per square foot is higher than 8% of them ($284 against a typical $348), it is bigger than 76% of them (2,265 ft² against a typical 1,828 ft²), its lot is bigger than 37% of them (0.23 ac against a typical 0.35 ac) and it is newer than 43% of them (1969 against a typical 1971). Measured against all of Rockland County, it is worth more than 33% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Rock Dr

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Assigned schools

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