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Single Family ResidenceResidential
$517,577$200 / 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 83How 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 Apr 23, 2010

17 CASTLE CT

THIELLS, NY 10984
4
Beds
3
Baths
2,588 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.
0.28 ac
Lot SizeThe size of the land the home sits on, from county records.
1972
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$518K
$430K low$605K 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 · Apr 23, 2010

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.$350,313 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$137,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$212,513
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$350,313
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$711,151

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.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.minimal

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.0.28
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Vinyl Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 288 ft²Porch · 56 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
Thiells Elementary SchoolC
Elementary · Grades KG–3 · 0.1 mi
H
North Rockland High SchoolB-
High · Grades 9–12 · 0.3 mi
M
Fieldstone Middle SchoolB-
Middle · Grades 7–8 · 0.7 mi

District: Haverstraw-Stony Point Central School District (North Rockland)

Neighborhood · ZIP 10984These 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.50
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.106
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.103

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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.0%
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.2,847
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,769 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,319
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$181,915
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.54 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

17 Castle Ct 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 86% of homes in Thiells 10984
  • Among the lowest price per square foot in Thiells 10984
  • Bigger than 86% of homes in Thiells 10984

What homes are worth in Thiells 10984

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

This home
$253K$1.2M

This home is worth more than 14% of homes in Thiells 10984.

How it measures up in Thiells 10984

The dot is this home. The mark in the middle is the typical home in Thiells 10984.

Estimated value$517,577
CheaperTypical $786,677Pricier

Pricier than 14% of homes nearby

Price per ft²$200
CheaperTypical $387Pricier

Cheaper than almost all homes nearby

Living area2,588 ft²
SmallerTypical 1,974 ft²Bigger

Bigger than 86% of homes nearby

Lot size0.28 ac
SmallerTypical 0.31 acBigger

Bigger than 37% of homes nearby

Year built1972
OlderTypical 1972Newer

Newer than 52% of homes nearby

How 17 Castle Ct ranks against every home in each area.
MeasureThis homeThiells 10984Rockland County
Estimated valuepricier than$517,57714% of homes19% of homes
Price per ft²pricier than$200almost no homesalmost no homes
Living areabigger than2,588 ft²86% of homes75% of homes
Lot sizebigger than0.28 ac37% of homes44% of homes
Year builtnewer than197252% of homes60% of homes

About 17 Castle Ct

How much is 17 Castle Ct, Thiells, NY worth?

The TopHap Estimate for 17 Castle Ct, Thiells, NY is $517,577 as of Aug 30, 2026. The likely range is $430,228 to $604,926. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17 Castle Ct, Thiells, NY last sell?

17 Castle Ct, Thiells, NY last sold on Apr 23, 2010 for $425,000, according to the county's recorded deed.

How big is 17 Castle Ct, Thiells, NY?

17 Castle Ct, Thiells, NY has 4 bedrooms, 3 bathrooms, 2,588 square feet of living space and a 0.28-acre lot.

When was 17 Castle Ct, Thiells, NY built?

17 Castle Ct, Thiells, NY was built in 1972, making it 54 years old. It is a raised ranch home. The building has 1 story.

What schools serve 17 Castle Ct, Thiells, NY?

17 Castle Ct, Thiells, NY is assigned to Thiells Elementary School (elementary), rated C; North Rockland High School (high), rated B-; Fieldstone Middle School (middle), rated B-. All sit in Haverstraw-Stony Point Central School District (North Rockland). Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17 Castle Ct, Thiells, NY compare to other homes in Thiells 10984?

Among the 796 homes in Thiells 10984, it is worth more than 14% of them ($517,577 against a typical $786,677), its price per square foot is higher than almost none of them ($200 against a typical $387), it is bigger than 86% of them (2,588 ft² against a typical 1,974 ft²), its lot is bigger than 37% of them (0.28 ac against a typical 0.31 ac) and it is newer than 52% of them (1972 against a typical 1972). Measured against all of Rockland County, it is worth more than 19% 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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