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Single Family ResidenceResidential
$77,623$87 / 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 80How 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
Last sold for $75,000 on Feb 20, 2026

321 LEWIS RUN RD

WEST MIFFLIN, PA 15122
3
Beds
1
Baths
896 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1954
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$78K
$62K low$93K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$75,000 · Feb 20, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$373 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$58,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$43,200
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$58,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$76,000

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.36
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
5
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
74
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
78
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
26
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyALLEGHENY
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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

Transaction History(2)

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
Clara Barton Elementary SchoolC+
Elementary · Grades KG–3 · 0.9 mi
M
West Mifflin Area Middle SchoolD+
Middle · Grades 7–8 · 4.6 mi
H
West Mifflin Area High SchoolD
High · Grades 9–12 · 4.6 mi

District: West Mifflin Area School District

Neighborhood · ZIP 15122These 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.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.26

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.91%
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.1.1%
PopulationHow many people live in this area.19,231
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,363 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,135
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,368
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.39 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.45%

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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

321 Lewis Run Rd 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 94% of homes in West Mifflin 15122
  • Costs less per square foot than 84% of homes in West Mifflin 15122
  • Smaller than 94% of homes in Allegheny County
  • Has a bigger lot than 72% of homes in West Mifflin 15122

What homes are worth in West Mifflin 15122

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

This home
$59K$328K

This home is worth more than 6% of homes in West Mifflin 15122.

How it measures up in West Mifflin 15122

The dot is this home. The mark in the middle is the typical home in West Mifflin 15122.

Estimated value$77,623
CheaperTypical $158,950Pricier

Pricier than 6% of homes nearby

Price per ft²$87
CheaperTypical $133Pricier

Pricier than 16% of homes nearby

Living area896 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 11% of homes nearby

Lot size0.22 ac
SmallerTypical 0.17 acBigger

Bigger than 72% of homes nearby

Year built1954
OlderTypical 1951Newer

Newer than 63% of homes nearby

How 321 Lewis Run Rd ranks against every home in each area.
MeasureThis homeWest Mifflin 15122Allegheny County
Estimated valuepricier than$77,6236% of homes10% of homes
Price per ft²pricier than$8716% of homes17% of homes
Living areabigger than896 ft²11% of homes6% of homes
Lot sizebigger than0.22 ac72% of homes61% of homes
Year builtnewer than195463% of homes55% of homes

About 321 Lewis Run Rd

How much is 321 Lewis Run Rd, West Mifflin, PA worth?

The TopHap Estimate for 321 Lewis Run Rd, West Mifflin, PA is $77,623 as of Oct 21, 2026. The likely range is $62,257 to $92,989. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Lewis Run Rd, West Mifflin, PA last sell?

321 Lewis Run Rd, West Mifflin, PA last sold on Feb 20, 2026 for $75,000, according to the county's recorded deed.

How big is 321 Lewis Run Rd, West Mifflin, PA?

321 Lewis Run Rd, West Mifflin, PA has 3 bedrooms, 1 bathrooms, 896 square feet of living space and a 0.22-acre lot.

When was 321 Lewis Run Rd, West Mifflin, PA built?

321 Lewis Run Rd, West Mifflin, PA was built in 1954, making it 72 years old. It is a ranch home. The building has 1 story.

What schools serve 321 Lewis Run Rd, West Mifflin, PA?

321 Lewis Run Rd, West Mifflin, PA is assigned to Clara Barton Elementary School (elementary), rated C+; West Mifflin Area Middle School (middle), rated D+; West Mifflin Area High School (high), rated D. All sit in West Mifflin Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Lewis Run Rd, West Mifflin, PA compare to other homes in West Mifflin 15122?

Among the 7,652 homes in West Mifflin 15122, it is worth more than 6% of them ($77,623 against a typical $158,950), its price per square foot is higher than 16% of them ($87 against a typical $133), it is bigger than 11% of them (896 ft² against a typical 1,200 ft²), its lot is bigger than 72% of them (0.22 ac against a typical 0.17 ac) and it is newer than 63% of them (1954 against a typical 1951). Measured against all of Allegheny County, it is worth more than 10% 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 321 Lewis Run Rd, West Mifflin, PA?

The 2026 property tax bill for 321 Lewis Run Rd, West Mifflin, PA was $373. The county assessed it at $58,000.

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