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Single Family ResidenceResidential
$96,009$114 / 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 87How 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

556 IRWIN RUN RD

WEST MIFFLIN, PA 15122
2
Beds
1
Baths
842 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.
0.75 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
4
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

$96K
$84K low$108K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$126 (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.$27,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$7,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$27,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$45,900

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.49
64
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.30 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Bungalow
CountyALLEGHENY
Lot (acres)The size of the land the home sits on, from county records.0.75
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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

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 SchoolB
Elementary · Grades KG–3 · 1.8 mi
H
West Mifflin Area High SchoolD
High · Grades 9–12 · 3.2 mi
M
West Mifflin Area Middle SchoolC-
Middle · Grades 7–8 · 3.3 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

556 Irwin 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 88% of homes in West Mifflin 15122
  • Costs less per square foot than 74% of homes in Allegheny County
  • Smaller than 97% of homes in Allegheny County
  • Has a bigger lot than 96% of homes in West Mifflin 15122
  • Older than 80% 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
$61K$321K

This home is worth more than 12% 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$96,009
CheaperTypical $158,651Pricier

Pricier than 12% of homes nearby

Price per ft²$114
CheaperTypical $131Pricier

Pricier than 36% of homes nearby

Living area842 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 8% of homes nearby

Lot size0.75 ac
SmallerTypical 0.17 acBigger

Bigger than 96% of homes nearby

Year built1940
OlderTypical 1951Newer

Newer than 20% of homes nearby

How 556 Irwin Run Rd ranks against every home in each area.
MeasureThis homeWest Mifflin 15122Allegheny County
Estimated valuepricier than$96,00912% of homes14% of homes
Price per ft²pricier than$11436% of homes26% of homes
Living areabigger than842 ft²8% of homes3% of homes
Lot sizebigger than0.75 ac96% of homes92% of homes
Year builtnewer than194020% of homes39% of homes

About 556 Irwin Run Rd

How much is 556 Irwin Run Rd, West Mifflin, PA worth?

The TopHap Estimate for 556 Irwin Run Rd, West Mifflin, PA is $96,009 as of Aug 30, 2026. The likely range is $83,786 to $108,232. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 556 Irwin Run Rd, West Mifflin, PA last sell?

556 Irwin Run Rd, West Mifflin, PA last sold on Oct 26, 1973, according to the county's recorded deed.

How big is 556 Irwin Run Rd, West Mifflin, PA?

556 Irwin Run Rd, West Mifflin, PA has 2 bedrooms, 1 bathrooms, 842 square feet of living space and a 0.75-acre lot.

When was 556 Irwin Run Rd, West Mifflin, PA built?

556 Irwin Run Rd, West Mifflin, PA was built in 1940, making it 86 years old. It is a bungalow home. The building has 1 story.

What schools serve 556 Irwin Run Rd, West Mifflin, PA?

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

How does 556 Irwin Run Rd, West Mifflin, PA compare to other homes in West Mifflin 15122?

Among the 7,653 homes in West Mifflin 15122, it is worth more than 12% of them ($96,009 against a typical $158,651), its price per square foot is higher than 36% of them ($114 against a typical $131), it is bigger than 8% of them (842 ft² against a typical 1,200 ft²), its lot is bigger than 96% of them (0.75 ac against a typical 0.17 ac) and it is newer than 20% of them (1940 against a typical 1951). Measured against all of Allegheny County, it is worth more than 14% 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 556 Irwin Run Rd, West Mifflin, PA?

The 2026 property tax bill for 556 Irwin Run Rd, West Mifflin, PA was $126. The county assessed it at $27,900.

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