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Single Family ResidenceResidential
$1,226,532$404 / 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

9 ERIN LN

CHESTNUT RIDGE, NY 10977
4
Beds
2
Baths
3,038 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.
0.81 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.2M
$1.1M low$1.3M 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.$80,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$60,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$80,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,067,639

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.Colonial
CountyRockland
Lot (acres)The size of the land the home sits on, from county records.0.81
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
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, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 464 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
Fleetwood Elementary SchoolF
Elementary · Grades KG–3 · 0.3 mi
M
Chestnut Ridge Middle SchoolC-
Middle · Grades 7–8 · 0.6 mi
H
Spring Valley High SchoolD-
High · Grades 9–12 · 2.4 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%

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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

9 Erin Ln 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 more than 91% of homes in Rockland County
  • Bigger than 85% of homes in Rockland County
  • Has a bigger lot than 92% of homes in Spring Valley 10977
  • Newer than 78% of homes in Rockland County

What homes are worth in Spring Valley 10977

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

This home
$322K$1.7M

This home is worth more than 89% of homes in Spring Valley 10977.

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.

Estimated value$1,226,532
CheaperTypical $894,437Pricier

Pricier than 89% of homes nearby

Price per ft²$404
CheaperTypical $427Pricier

Pricier than 41% of homes nearby

Living area3,038 ft²
SmallerTypical 2,148 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.81 ac
SmallerTypical 0.24 acBigger

Bigger than 92% of homes nearby

Year built1988
OlderTypical 1974Newer

Newer than 60% of homes nearby

How 9 Erin Ln ranks against every home in each area.
MeasureThis homeSpring Valley 10977Rockland County
Estimated valuepricier than$1,226,53289% of homes91% of homes
Price per ft²pricier than$40441% of homes63% of homes
Living areabigger than3,038 ft²82% of homes85% of homes
Lot sizebigger than0.81 ac92% of homes87% of homes
Year builtnewer than198860% of homes78% of homes

About 9 Erin Ln

How much is 9 Erin Ln, Chestnut Ridge, NY worth?

The TopHap Estimate for 9 Erin Ln, Chestnut Ridge, NY is $1,226,532 as of Aug 30, 2026. The likely range is $1,122,066 to $1,330,998. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 9 Erin Ln, Chestnut Ridge, NY?

9 Erin Ln, Chestnut Ridge, NY has 4 bedrooms, 2 bathrooms, 3,038 square feet of living space and a 0.81-acre lot.

When was 9 Erin Ln, Chestnut Ridge, NY built?

9 Erin Ln, Chestnut Ridge, NY was built in 1988, making it 38 years old. It is a colonial home. The building has 2 stories.

What schools serve 9 Erin Ln, Chestnut Ridge, NY?

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

How does 9 Erin Ln, Chestnut Ridge, NY compare to other homes in Spring Valley 10977?

Among the 10,964 homes in Spring Valley 10977, it is worth more than 89% of them ($1,226,532 against a typical $894,437), its price per square foot is higher than 41% of them ($404 against a typical $427), it is bigger than 82% of them (3,038 ft² against a typical 2,148 ft²), its lot is bigger than 92% of them (0.81 ac against a typical 0.24 ac) and it is newer than 60% of them (1988 against a typical 1974). Measured against all of Rockland County, it is worth more than 91% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Erin Ln

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Assigned schools

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