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Single Family ResidenceResidential
$126,671$72 / 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 90How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026

21 E RIVER ST

ILION, NY 13357
3
Beds
2 / 1
Baths
1,764 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.
0.16 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$127K
$114K low$139K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$71,671
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$57,337
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.38%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$55,000
FIRST SOURCE FEDERAL CREDIT UNION · recorded Jun 1, 2011

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,066 (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.$52,100 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$7,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$45,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$52,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$97,566

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.33 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%

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.Traditional/Old
CountyHerkimer
Lot (acres)The size of the land the home sits on, from county records.0.16
HeatingThe type of heating system in the home.Forced Air
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 83 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.

H
Central Valley AcademyC-
High · Grades 9–12 · 0.7 mi
M
Gregory B Jarvis Middle SchoolB
Middle · Grades 5–8 · 1.4 mi
E
Harry M Fisher Elementary School
Elementary · Grades PK–1 · 1.7 mi

District: Central Valley School District

Neighborhood · ZIP 13357These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.52

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.9,463
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.304 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,858
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,017
Average tempThe average temperature here across a full year.44°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.46%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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 E River St 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 78% of homes in Herkimer County
  • Costs less per square foot than 87% of homes in Herkimer County
  • Bigger than 67% of homes in Ilion 13357
  • Has a smaller lot than 81% of homes in Herkimer County
  • Older than 74% of homes in Herkimer County

What homes are worth in Ilion 13357

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

This home
$60K$375K

This home is worth more than 32% of homes in Ilion 13357.

How it measures up in Ilion 13357

The dot is this home. The mark in the middle is the typical home in Ilion 13357.

Estimated value$126,671
CheaperTypical $151,341Pricier

Pricier than 32% of homes nearby

Price per ft²$72
CheaperTypical $102Pricier

Pricier than 19% of homes nearby

Living area1,764 ft²
SmallerTypical 1,532 ft²Bigger

Bigger than 67% of homes nearby

Lot size0.16 ac
SmallerTypical 0.2 acBigger

Bigger than 40% of homes nearby

Year built1900
OlderTypical 1918Newer

Newer than 34% of homes nearby

How 21 E River St ranks against every home in each area.
MeasureThis homeIlion 13357Herkimer County
Estimated valuepricier than$126,67132% of homes22% of homes
Price per ft²pricier than$7219% of homes13% of homes
Living areabigger than1,764 ft²67% of homes66% of homes
Lot sizebigger than0.16 ac40% of homes19% of homes
Year builtnewer than190034% of homes26% of homes

About 21 E River St

How much is 21 E River St, Ilion, NY worth?

The TopHap Estimate for 21 E River St, Ilion, NY is $126,671 as of Jul 14, 2026. The likely range is $114,438 to $138,904. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 E River St, Ilion, NY?

21 E River St, Ilion, NY has 3 bedrooms, 2 bathrooms, 1,764 square feet of living space and a 0.16-acre lot.

When was 21 E River St, Ilion, NY built?

21 E River St, Ilion, NY was built in 1900, making it 126 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 21 E River St, Ilion, NY?

21 E River St, Ilion, NY is assigned to Central Valley Academy (high), rated C-; Gregory B Jarvis Middle School (middle), rated B; Harry M Fisher Elementary School (elementary). All sit in Central Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 E River St, Ilion, NY compare to other homes in Ilion 13357?

Among the 3,458 homes in Ilion 13357, it is worth more than 32% of them ($126,671 against a typical $151,341), its price per square foot is higher than 19% of them ($72 against a typical $102), it is bigger than 67% of them (1,764 ft² against a typical 1,532 ft²), its lot is bigger than 40% of them (0.16 ac against a typical 0.2 ac) and it is newer than 34% of them (1900 against a typical 1918). Measured against all of Herkimer County, it is worth more than 22% 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 E River St, Ilion, NY?

The 2024 property tax bill for 21 E River St, Ilion, NY was $2,066. The county assessed it at $52,100.

Closest homes

More homes in Ilion 13357

Assigned schools

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