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Rural ResidenceResidential
$265,439$94 / 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 91How 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 CASTLE ST

ONEIDA, NY 13421
4
Beds
2 / 1
Baths
2,832 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.
24.65 ac
Lot SizeThe size of the land the home sits on, from county records.
1817
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
10
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$265K
$241K low$290K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$683 (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.$73,900 (2024)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$62,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$73,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$156,568

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.128 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.Rural Residence
StyleThe architectural style of the home, such as ranch or colonial.Traditional/Old
CountyOneida
Lot (acres)The size of the land the home sits on, from county records.24.65
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
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 · 276 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Willard Prior Elementary School
Elementary · Grades PK–1 · 0.6 mi
H
Oneida High SchoolB
High · Grades 9–12 · 0.8 mi
M
Otto Shortell Middle SchoolD
Middle · Grades 6–8 · 3.5 mi

District: Oneida City School District

Neighborhood · ZIP 13421These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.41

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.13%
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.12,109
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.296 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,547
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,288
Average tempThe average temperature here across a full year.46°F
Annual precipHow much rain and melted snow falls here in a typical year.43 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.46%

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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 Castle 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 more than 77% of homes in Oneida 13421
  • Costs less per square foot than 85% of homes in Oneida County
  • Bigger than 93% of homes in Oneida 13421
  • Has a bigger lot than 98% of homes in Oneida 13421
  • Among the oldest homes in Oneida 13421

What homes are worth in Oneida 13421

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

This home
$71K$473K

This home is worth more than 77% of homes in Oneida 13421.

How it measures up in Oneida 13421

The dot is this home. The mark in the middle is the typical home in Oneida 13421.

Estimated value$265,439
CheaperTypical $187,577Pricier

Pricier than 77% of homes nearby

Price per ft²$94
CheaperTypical $129Pricier

Pricier than 23% of homes nearby

Living area2,832 ft²
SmallerTypical 1,621 ft²Bigger

Bigger than 93% of homes nearby

Lot size24.65 ac
SmallerTypical 0.34 acBigger

Bigger than 98% of homes nearby

Year built1817
OlderTypical 1930Newer

Older than almost all homes nearby

How 21 Castle St ranks against every home in each area.
MeasureThis homeOneida 13421Oneida County
Estimated valuepricier than$265,43977% of homes69% of homes
Price per ft²pricier than$9423% of homes15% of homes
Living areabigger than2,832 ft²93% of homes93% of homes
Lot sizebigger than24.65 ac98% of homes96% of homes
Year builtnewer than1817almost no homesalmost no homes

About 21 Castle St

How much is 21 Castle St, Oneida, NY worth?

The TopHap Estimate for 21 Castle St, Oneida, NY is $265,439 as of Aug 30, 2026. The likely range is $240,539 to $290,339. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 Castle St, Oneida, NY?

21 Castle St, Oneida, NY has 4 bedrooms, 2 bathrooms, 2,832 square feet of living space and a 24.65-acre lot.

When was 21 Castle St, Oneida, NY built?

21 Castle St, Oneida, NY was built in 1817, making it 209 years old. It is a traditional/old home. The building has 2 stories.

What schools serve 21 Castle St, Oneida, NY?

21 Castle St, Oneida, NY is assigned to Willard Prior Elementary School (elementary); Oneida High School (high), rated B; Otto Shortell Middle School (middle), rated D. All sit in Oneida City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Castle St, Oneida, NY compare to other homes in Oneida 13421?

Among the 4,132 homes in Oneida 13421, it is worth more than 77% of them ($265,439 against a typical $187,577), its price per square foot is higher than 23% of them ($94 against a typical $129), it is bigger than 93% of them (2,832 ft² against a typical 1,621 ft²), its lot is bigger than 98% of them (24.65 ac against a typical 0.34 ac) and it is newer than almost none of them (1817 against a typical 1930). Measured against all of Oneida County, it is worth more than 69% 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 Castle St, Oneida, NY?

The 2024 property tax bill for 21 Castle St, Oneida, NY was $683. The county assessed it at $73,900.

More homes on Castle St

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