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Single Family ResidenceResidential
$1,166,656$484 / 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 94How 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 LOMOND AVE

CHESTNUT RIDGE, NY 10977
6
Beds
1
Baths
2,412 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.
0.71 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$1.2M
$1.1M low$1.2M 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.$75,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$63,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$75,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$994,695

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.Ranch
CountyRockland
Lot (acres)The size of the land the home sits on, from county records.0.71
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
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.Porch · 560 ft²

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 · 0.8 mi
M
Chestnut Ridge Middle SchoolC-
Middle · Grades 7–8 · 1.0 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

21 Lomond 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 more than 89% of homes in Rockland County
  • Costs more per square foot than 86% of homes in Rockland County
  • Bigger than 68% of homes in Rockland County
  • Has a bigger lot than 88% of homes in Spring Valley 10977

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
$324K$1.6M

This home is worth more than 85% 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$1,166,656
CheaperTypical $893,656Pricier

Pricier than 85% of homes nearby

Price per ft²$484
CheaperTypical $428Pricier

Pricier than 72% of homes nearby

Living area2,412 ft²
SmallerTypical 2,148 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.71 ac
SmallerTypical 0.24 acBigger

Bigger than 88% of homes nearby

Year built1970
OlderTypical 1974Newer

Newer than 45% of homes nearby

How 21 Lomond Ave ranks against every home in each area.
MeasureThis homeSpring Valley 10977Rockland County
Estimated valuepricier than$1,166,65685% of homes89% of homes
Price per ft²pricier than$48472% of homes86% of homes
Living areabigger than2,412 ft²64% of homes68% of homes
Lot sizebigger than0.71 ac88% of homes84% of homes
Year builtnewer than197045% of homes54% of homes

About 21 Lomond Ave

How much is 21 Lomond Ave, Chestnut Ridge, NY worth?

The TopHap Estimate for 21 Lomond Ave, Chestnut Ridge, NY is $1,166,656 as of Aug 30, 2026. The likely range is $1,090,845 to $1,242,467. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 Lomond Ave, Chestnut Ridge, NY?

21 Lomond Ave, Chestnut Ridge, NY has 6 bedrooms, 1 bathrooms, 2,412 square feet of living space and a 0.71-acre lot.

When was 21 Lomond Ave, Chestnut Ridge, NY built?

21 Lomond Ave, Chestnut Ridge, NY was built in 1970, making it 56 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Lomond Ave, Chestnut Ridge, NY?

21 Lomond Ave, 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 21 Lomond Ave, 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 85% of them ($1,166,656 against a typical $893,656), its price per square foot is higher than 72% of them ($484 against a typical $428), it is bigger than 64% of them (2,412 ft² against a typical 2,148 ft²), its lot is bigger than 88% of them (0.71 ac against a typical 0.24 ac) and it is newer than 45% of them (1970 against a typical 1974). Measured against all of Rockland County, it is worth more than 89% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Lomond Ave

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Assigned schools

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