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Single Family ResidenceResidential
$165,941$111 / 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 81How 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 SUMMIT AVE

LIBERTY, NY 12754
3
Beds
1
Baths
1,496 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.
0.47 ac
Lot SizeThe size of the land the home sits on, from county records.
1951
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$166K
$134K low$198K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,509 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$71,200 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$18,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$71,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$171,200

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
CountySullivan
Lot (acres)The size of the land the home sits on, from county records.0.47
HeatingThe type of heating system in the home.Forced Air
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 56 ft²

Transaction History(4)

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
Liberty Elementary SchoolD
Elementary · Grades PK–4 · 0.3 mi
H
Liberty High SchoolC-
High · Grades 9–12 · 0.8 mi
M
Liberty Middle SchoolD
Middle · Grades 5–8 · 0.8 mi

District: Liberty Central School District

Neighborhood · ZIP 12754These 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.103
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.51

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.80%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.6,950
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.262 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$62,256
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$76,003
Average tempThe average temperature here across a full year.45°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.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

21 Summit 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 91% of homes in Sullivan County
  • Costs less per square foot than 95% of homes in Sullivan County
  • Older than 67% of homes in Sullivan County

What homes are worth in Liberty 12754

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

This home
$95K$598K

This home is worth more than 23% of homes in Liberty 12754.

How it measures up in Liberty 12754

The dot is this home. The mark in the middle is the typical home in Liberty 12754.

Estimated value$165,941
CheaperTypical $229,519Pricier

Pricier than 23% of homes nearby

Price per ft²$111
CheaperTypical $154Pricier

Pricier than 15% of homes nearby

Living area1,496 ft²
SmallerTypical 1,620 ft²Bigger

Bigger than 39% of homes nearby

Lot size0.47 ac
SmallerTypical 0.53 acBigger

Bigger than 47% of homes nearby

Year built1951
OlderTypical 1955Newer

Newer than 48% of homes nearby

How 21 Summit Ave ranks against every home in each area.
MeasureThis homeLiberty 12754Sullivan County
Estimated valuepricier than$165,94123% of homes9% of homes
Price per ft²pricier than$11115% of homes5% of homes
Living areabigger than1,496 ft²39% of homes51% of homes
Lot sizebigger than0.47 ac47% of homes38% of homes
Year builtnewer than195148% of homes33% of homes

About 21 Summit Ave

How much is 21 Summit Ave, Liberty, NY worth?

The TopHap Estimate for 21 Summit Ave, Liberty, NY is $165,941 as of Aug 30, 2026. The likely range is $134,147 to $197,735. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21 Summit Ave, Liberty, NY last sell?

21 Summit Ave, Liberty, NY last sold on Jan 27, 2025, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 21 Summit Ave, Liberty, NY?

21 Summit Ave, Liberty, NY has 3 bedrooms, 1 bathrooms, 1,496 square feet of living space and a 0.47-acre lot.

When was 21 Summit Ave, Liberty, NY built?

21 Summit Ave, Liberty, NY was built in 1951, making it 75 years old. It is a ranch home. The building has 1 story.

What schools serve 21 Summit Ave, Liberty, NY?

21 Summit Ave, Liberty, NY is assigned to Liberty Elementary School (elementary), rated D; Liberty High School (high), rated C-; Liberty Middle School (middle), rated D. All sit in Liberty Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Summit Ave, Liberty, NY compare to other homes in Liberty 12754?

Among the 2,528 homes in Liberty 12754, it is worth more than 23% of them ($165,941 against a typical $229,519), its price per square foot is higher than 15% of them ($111 against a typical $154), it is bigger than 39% of them (1,496 ft² against a typical 1,620 ft²), its lot is bigger than 47% of them (0.47 ac against a typical 0.53 ac) and it is newer than 48% of them (1951 against a typical 1955). Measured against all of Sullivan County, it is worth more than 9% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21 Summit Ave, Liberty, NY?

The 2024 property tax bill for 21 Summit Ave, Liberty, NY was $5,509. The county assessed it at $71,200.

More homes on Summit Ave

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More homes in Liberty 12754

Assigned schools

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