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Single Family ResidenceResidential
$531,369$143 / 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 Jul 14, 2026

421 RIVERVIEW DR

YOUNGSTOWN, NY 14174
4
Beds
4 / 1
Baths
3,709 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.
1.07 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$531K
$484K low$578K 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.$531,369
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$425,095

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.$308,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$36,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$272,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$308,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$701,100

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.Colonial
CountyNiagara
Lot (acres)The size of the land the home sits on, from county records.1.07
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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, Attached
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 88 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
Primary Education Center
Elementary · Grades PK–2 · 1.9 mi
M
Lewiston Porter Middle SchoolC-
Middle · Grades 6–8 · 2.1 mi
H
Lewiston Porter Senior High SchoolA-
High · Grades 9–12 · 2.2 mi

District: Lewiston-Porter Central School District

Neighborhood · ZIP 14174These 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.85
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.79
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.5,525
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.198 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$80,653
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,129
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%

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.Yes

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

421 Riverview Dr 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 96% of homes in Niagara County
  • Costs less per square foot than 85% of homes in Youngstown 14174
  • Bigger than 98% of homes in Niagara County
  • Has a bigger lot than 82% of homes in Niagara County
  • Newer than 85% of homes in Niagara County

What homes are worth in Youngstown 14174

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

This home
$145K$777K

This home is worth more than 91% of homes in Youngstown 14174.

How it measures up in Youngstown 14174

The dot is this home. The mark in the middle is the typical home in Youngstown 14174.

Estimated value$531,369
CheaperTypical $303,990Pricier

Pricier than 91% of homes nearby

Price per ft²$143
CheaperTypical $175Pricier

Pricier than 15% of homes nearby

Living area3,709 ft²
SmallerTypical 1,740 ft²Bigger

Bigger than 97% of homes nearby

Lot size1.07 ac
SmallerTypical 0.46 acBigger

Bigger than 75% of homes nearby

Year built1990
OlderTypical 1966Newer

Newer than 79% of homes nearby

How 421 Riverview Dr ranks against every home in each area.
MeasureThis homeYoungstown 14174Niagara County
Estimated valuepricier than$531,36991% of homes96% of homes
Price per ft²pricier than$14315% of homes39% of homes
Living areabigger than3,709 ft²97% of homes98% of homes
Lot sizebigger than1.07 ac75% of homes82% of homes
Year builtnewer than199079% of homes85% of homes

About 421 Riverview Dr

How much is 421 Riverview Dr, Youngstown, NY worth?

The TopHap Estimate for 421 Riverview Dr, Youngstown, NY is $531,369 as of Jul 14, 2026. The likely range is $484,331 to $578,407. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 421 Riverview Dr, Youngstown, NY?

421 Riverview Dr, Youngstown, NY has 4 bedrooms, 4 bathrooms, 3,709 square feet of living space and a 1.07-acre lot.

When was 421 Riverview Dr, Youngstown, NY built?

421 Riverview Dr, Youngstown, NY was built in 1990, making it 36 years old. It is a colonial home. The building has 2 stories.

What schools serve 421 Riverview Dr, Youngstown, NY?

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

How does 421 Riverview Dr, Youngstown, NY compare to other homes in Youngstown 14174?

Among the 2,288 homes in Youngstown 14174, it is worth more than 91% of them ($531,369 against a typical $303,990), its price per square foot is higher than 15% of them ($143 against a typical $175), it is bigger than 97% of them (3,709 ft² against a typical 1,740 ft²), its lot is bigger than 75% of them (1.07 ac against a typical 0.46 ac) and it is newer than 79% of them (1990 against a typical 1966). Measured against all of Niagara County, it is worth more than 96% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

Closest homes

More homes in Youngstown 14174

Assigned schools

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