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Single Family ResidenceResidential
$172,309$144 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

493 RIVERDALE AVE

LEWISTON, NY 14092
2
Beds
1
Baths
1,196 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.
0.27 ac
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$172K
$159K low$186K high

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.$69,400 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$16,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$52,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$69,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$173,500

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.6 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Ranch
CountyNiagara
Lot (acres)The size of the land the home sits on, from county records.0.27
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 161 ft²

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

H
Lewiston Porter Senior High SchoolA-
High · Grades 9–12 · 4.7 mi
M
Lewiston Porter Middle SchoolB+
Middle · Grades 6–8 · 4.8 mi
E
Primary Education CenterB+
Elementary · Grades PK–2 · 5.1 mi

District: Lewiston-Porter Central School District

Neighborhood · ZIP 14092These 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.72
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.75
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.82

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
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.12,145
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.502 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$77,272
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$98,076
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.34 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.48%

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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

493 Riverdale 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 97% of homes in Lewiston 14092
  • Costs less per square foot than 95% of homes in Lewiston 14092
  • Smaller than 86% of homes in Lewiston 14092
  • Has a smaller lot than 76% of homes in Lewiston 14092
  • Older than 87% of homes in Lewiston 14092

What homes are worth in Lewiston 14092

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

This home
$170K$787K

This home is worth more than 3% of homes in Lewiston 14092.

How it measures up in Lewiston 14092

The dot is this home. The mark in the middle is the typical home in Lewiston 14092.

Estimated value$172,309
CheaperTypical $335,580Pricier

Pricier than 3% of homes nearby

Price per ft²$144
CheaperTypical $198Pricier

Pricier than 5% of homes nearby

Living area1,196 ft²
SmallerTypical 1,729 ft²Bigger

Bigger than 14% of homes nearby

Lot size0.27 ac
SmallerTypical 0.38 acBigger

Bigger than 24% of homes nearby

Year built1941
OlderTypical 1958Newer

Newer than 13% of homes nearby

How 493 Riverdale Ave ranks against every home in each area.
MeasureThis homeLewiston 14092Niagara County
Estimated valuepricier than$172,3093% of homes27% of homes
Price per ft²pricier than$1445% of homes38% of homes
Living areabigger than1,196 ft²14% of homes23% of homes
Lot sizebigger than0.27 ac24% of homes50% of homes
Year builtnewer than194113% of homes37% of homes

About 493 Riverdale Ave

How much is 493 Riverdale Ave, Lewiston, NY worth?

The TopHap Estimate for 493 Riverdale Ave, Lewiston, NY is $172,309 as of Oct 21, 2026. The likely range is $159,087 to $185,531. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 493 Riverdale Ave, Lewiston, NY?

493 Riverdale Ave, Lewiston, NY has 2 bedrooms, 1 bathrooms, 1,196 square feet of living space and a 0.27-acre lot.

When was 493 Riverdale Ave, Lewiston, NY built?

493 Riverdale Ave, Lewiston, NY was built in 1941, making it 85 years old. It is a ranch home. The building has 1 story.

What schools serve 493 Riverdale Ave, Lewiston, NY?

493 Riverdale Ave, Lewiston, NY is assigned to Lewiston Porter Senior High School (high), rated A-; Lewiston Porter Middle School (middle), rated B+; Primary Education Center (elementary), rated B+. All sit in Lewiston-Porter Central School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 493 Riverdale Ave, Lewiston, NY compare to other homes in Lewiston 14092?

Among the 4,274 homes in Lewiston 14092, it is worth more than 3% of them ($172,309 against a typical $335,580), its price per square foot is higher than 5% of them ($144 against a typical $198), it is bigger than 14% of them (1,196 ft² against a typical 1,729 ft²), its lot is bigger than 24% of them (0.27 ac against a typical 0.38 ac) and it is newer than 13% of them (1941 against a typical 1958). Measured against all of Niagara County, it is worth more than 27% 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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