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Single Family ResidenceResidential
$739,917$295 / 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 92How 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 $635,000 on Mar 20, 2023

584 ROUTE 340

SPARKILL, NY 10976
4
Beds
3 / 1
Baths
2,512 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.
0.45 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$740K
$679K low$801K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$635,000 · Mar 20, 2023

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.$193,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$49,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$144,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$193,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$607,714

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.111 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent flood zone

Scores 0–100; higher = greater projected risk.

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.Raised Ranch
CountyRockland
Lot (acres)The size of the land the home sits on, from county records.0.45
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 650 ft²Porch · 190 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
William O Schaefer Elementary School
Elementary · Grades PK–2 · 1.6 mi
H
Tappan Zee High SchoolA+
High · Grades 9–12 · 2.2 mi
M
South Orangetown Middle SchoolB
Middle · Grades 6–8 · 3.4 mi

District: South Orangetown Central School District

Neighborhood · ZIP 10976These 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.134
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.118
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.116

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
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.1,622
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,407 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$89,196
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,001
Average tempThe average temperature here across a full year.53°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

584 Route 340 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.

  • Costs less per square foot than 98% of homes in Sparkill 10976
  • Bigger than 82% of homes in Sparkill 10976
  • Has a bigger lot than 76% of homes in Sparkill 10976

What homes are worth in Sparkill 10976

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

This home
$479K$1.9M

This home is worth more than 52% of homes in Sparkill 10976.

How it measures up in Sparkill 10976

The dot is this home. The mark in the middle is the typical home in Sparkill 10976.

Estimated value$739,917
CheaperTypical $730,263Pricier

Pricier than 52% of homes nearby

Price per ft²$295
CheaperTypical $390Pricier

Pricier than 2% of homes nearby

Living area2,512 ft²
SmallerTypical 1,976 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.45 ac
SmallerTypical 0.34 acBigger

Bigger than 76% of homes nearby

Year built1968
OlderTypical 1965Newer

Newer than 60% of homes nearby

How 584 Route 340 ranks against every home in each area.
MeasureThis homeSparkill 10976Rockland County
Estimated valuepricier than$739,91752% of homes49% of homes
Price per ft²pricier than$2952% of homes12% of homes
Living areabigger than2,512 ft²82% of homes72% of homes
Lot sizebigger than0.45 ac76% of homes67% of homes
Year builtnewer than196860% of homes50% of homes

About 584 Route 340

How much is 584 Route 340, Sparkill, NY worth?

The TopHap Estimate for 584 Route 340, Sparkill, NY is $739,917 as of Aug 30, 2026. The likely range is $678,684 to $801,150. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 584 Route 340, Sparkill, NY last sell?

584 Route 340, Sparkill, NY last sold on Mar 20, 2023 for $635,000, according to the county's recorded deed.

How big is 584 Route 340, Sparkill, NY?

584 Route 340, Sparkill, NY has 4 bedrooms, 3 bathrooms, 2,512 square feet of living space and a 0.45-acre lot.

When was 584 Route 340, Sparkill, NY built?

584 Route 340, Sparkill, NY was built in 1968, making it 58 years old. It is a raised ranch home. The building has 1 story.

What schools serve 584 Route 340, Sparkill, NY?

584 Route 340, Sparkill, NY is assigned to William O Schaefer Elementary School (elementary); Tappan Zee High School (high), rated A+; South Orangetown Middle School (middle), rated B. All sit in South Orangetown Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 584 Route 340, Sparkill, NY compare to other homes in Sparkill 10976?

Among the 373 homes in Sparkill 10976, it is worth more than 52% of them ($739,917 against a typical $730,263), its price per square foot is higher than 2% of them ($295 against a typical $390), it is bigger than 82% of them (2,512 ft² against a typical 1,976 ft²), its lot is bigger than 76% of them (0.45 ac against a typical 0.34 ac) and it is newer than 60% of them (1968 against a typical 1965). Measured against all of Rockland County, it is worth more than 49% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

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Assigned schools

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