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Single Family ResidenceResidential
$381,620$271 / 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 95How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026

CHESTNUT ALY

IRWIN, PA 15642
0
Baths
1,408 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.
1880
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$382K
$364K low$399K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,876 (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.$12,280 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,020
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$11,260
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$12,280
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$12,280

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.11 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
CountyWESTMORELAND
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
Hahntown Elementary SchoolA+
Elementary · Grades KG–4 · 0.7 mi
M
Norwin Middle SchoolA
Middle · Grades 7–8 · 0.7 mi
H
Norwin High SchoolA+
High · Grades 9–12 · 0.9 mi

District: Norwin School District

Neighborhood · ZIP 15642These 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.66
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 100.27

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.1%
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.45,509
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,016 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,017
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,878
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.40 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

Chestnut Aly 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 85% of homes in Westmoreland County
  • Costs more per square foot than 93% of homes in Westmoreland County
  • Smaller than 70% of homes in Irwin 15642
  • Among the oldest homes in Irwin 15642

What homes are worth in Irwin 15642

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

This home
$100K$733K

This home is worth more than 73% of homes in Irwin 15642.

How it measures up in Irwin 15642

The dot is this home. The mark in the middle is the typical home in Irwin 15642.

Estimated value$381,620
CheaperTypical $270,550Pricier

Pricier than 73% of homes nearby

Price per ft²$271
CheaperTypical $208Pricier

Pricier than 91% of homes nearby

Living area1,408 ft²
SmallerTypical 1,924 ft²Bigger

Bigger than 30% of homes nearby

Year built1880
OlderTypical 1993Newer

Older than almost all homes nearby

How Chestnut Aly ranks against every home in each area.
MeasureThis homeIrwin 15642Westmoreland County
Estimated valuepricier than$381,62073% of homes85% of homes
Price per ft²pricier than$27191% of homes93% of homes
Living areabigger than1,408 ft²30% of homes42% of homes
Year builtnewer than1880almost no homesalmost no homes

About Chestnut Aly

How much is Chestnut Aly, Irwin, PA worth?

The TopHap Estimate for Chestnut Aly, Irwin, PA is $381,620 as of Sep 24, 2026. The likely range is $363,881 to $399,359. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Chestnut Aly, Irwin, PA last sell?

Chestnut Aly, Irwin, PA last sold on Jan 1, 1900, according to the county's recorded deed.

When was Chestnut Aly, Irwin, PA built?

Chestnut Aly, Irwin, PA was built in 1880, making it 146 years old. The building has 2 stories.

What schools serve Chestnut Aly, Irwin, PA?

Chestnut Aly, Irwin, PA is assigned to Hahntown Elementary School (elementary), rated A+; Norwin Middle School (middle), rated A; Norwin High School (high), rated A+. All sit in Norwin School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does Chestnut Aly, Irwin, PA compare to other homes in Irwin 15642?

Among the 18,277 homes in Irwin 15642, it is worth more than 73% of them ($381,620 against a typical $270,550), its price per square foot is higher than 91% of them ($271 against a typical $208), it is bigger than 30% of them (1,408 ft² against a typical 1,924 ft²) and it is newer than almost none of them (1880 against a typical 1993). Measured against all of Westmoreland County, it is worth more than 85% 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 Chestnut Aly, Irwin, PA?

The 2026 property tax bill for Chestnut Aly, Irwin, PA was $1,876. The county assessed it at $12,280.

Closest homes

More homes in Irwin 15642

Assigned schools

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