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Single Family ResidenceResidential
$240,168$183 / 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 73How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $100,000 on Jul 8, 2020

18 ROCK AVE

HORTONVILLE, NY 12745
3
Beds
1
Baths
1,311 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1949
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$240K
$176K low$305K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$100,000 · Jul 8, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,634 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$102,200 (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.$77,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$102,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$208,571

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.Traditional/Old
CountySULLIVAN
Lot (acres)The size of the land the home sits on, from county records.0.26
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 416 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
Sullivan West Elementary SchoolC-
Elementary · Grades PK–6 · 4.7 mi
M
Sullivan West High School at Lake HuntingtonB+
Middle · Grades 7–12 · 5.1 mi

District: Sullivan West Central School District

Neighborhood · ZIP 12745These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.72%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.23%
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.114
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.64 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,484
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$112,227
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.58%

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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

18 Rock 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 less than 74% of homes in Sullivan County
  • Costs less per square foot than 67% of homes in Sullivan County
  • Has a smaller lot than 74% of homes in Sullivan County
  • Older than 71% of homes in Sullivan County

What homes are worth in Sullivan County

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

This home
$101K$1.5M

This home is worth more than 40% of homes in Sullivan County.

How it measures up in Sullivan County

The dot is this home. The mark in the middle is the typical home in Sullivan County.

Estimated value$240,168
CheaperTypical $331,570Pricier

Pricier than 26% of homes nearby

Price per ft²$183
CheaperTypical $211Pricier

Pricier than 33% of homes nearby

Living area1,311 ft²
SmallerTypical 1,478 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.26 ac
SmallerTypical 1 acBigger

Bigger than 26% of homes nearby

Year built1949
OlderTypical 1971Newer

Newer than 29% of homes nearby

How 18 Rock Ave ranks against every home in each area.
MeasureThis homeSullivan County
Estimated valuepricier than$240,16826% of homes
Price per ft²pricier than$18333% of homes
Living areabigger than1,311 ft²38% of homes
Lot sizebigger than0.26 ac26% of homes
Year builtnewer than194929% of homes

About 18 Rock Ave

How much is 18 Rock Ave, Hortonville, NY worth?

The TopHap Estimate for 18 Rock Ave, Hortonville, NY is $240,168 as of Sep 24, 2026. The likely range is $175,716 to $304,620. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Rock Ave, Hortonville, NY last sell?

18 Rock Ave, Hortonville, NY last sold on Jul 8, 2020 for $100,000, according to the county's recorded deed.

How big is 18 Rock Ave, Hortonville, NY?

18 Rock Ave, Hortonville, NY has 3 bedrooms, 1 bathrooms, 1,311 square feet of living space and a 0.26-acre lot.

When was 18 Rock Ave, Hortonville, NY built?

18 Rock Ave, Hortonville, NY was built in 1949, making it 77 years old. It is a traditional/old home. The building has 1 story.

What schools serve 18 Rock Ave, Hortonville, NY?

18 Rock Ave, Hortonville, NY is assigned to Sullivan West Elementary School (elementary), rated C-; Sullivan West High School at Lake Huntington (middle), rated B+. All sit in Sullivan West Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Rock Ave, Hortonville, NY compare to other homes in Sullivan County?

Among the 41,773 homes in Sullivan County, it is worth more than 26% of them ($240,168 against a typical $331,570), its price per square foot is higher than 33% of them ($183 against a typical $211), it is bigger than 38% of them (1,311 ft² against a typical 1,478 ft²), its lot is bigger than 26% of them (0.26 ac against a typical 1 ac) and it is newer than 29% of them (1949 against a typical 1971). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 18 Rock Ave, Hortonville, NY?

The 2025 property tax bill for 18 Rock Ave, Hortonville, NY was $3,634. The county assessed it at $102,200.

More homes on Rock Ave

Closest homes

More homes in Hortonville 12745

Assigned schools

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