Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$142,424$127 / 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 94How 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
Last sold for $47,000 on Dec 3, 2001

426 ALDER ST

TARENTUM, PA 15084
3
Beds
1
Baths
1,118 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1910
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
6
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

$142K
$134K low$150K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$47,000 · Dec 3, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$209 (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.$32,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$12,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$32,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$50,500

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.37
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
88
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
20
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.Bungalow
CountyALLEGHENY
Lot (acres)The size of the land the home sits on, from county records.0.21
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

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
Curtisville Primary Center
Elementary · Grades KG–2 · 0.2 mi
M
Deer Lakes Middle SchoolB+
Middle · Grades 6–8 · 1.6 mi
H
Deer Lakes High SchoolB-
High · Grades 9–12 · 1.9 mi

District: Deer Lakes School District

Neighborhood · ZIP 15084These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.28

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.16%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.9,997
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.348 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$61,175
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$72,926
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.41 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.45%

Owner Tools

Do you own this home?
Claim this home

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

426 Alder St 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 75% of homes in Allegheny County
  • Costs less per square foot than 69% of homes in Allegheny County
  • Smaller than 80% of homes in Allegheny County
  • Older than 84% of homes in Allegheny County

What homes are worth in Tarentum 15084

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

This home
$40K$466K

This home is worth more than 50% of homes in Tarentum 15084.

How it measures up in Tarentum 15084

The dot is this home. The mark in the middle is the typical home in Tarentum 15084.

Estimated value$142,424
CheaperTypical $140,497Pricier

Pricier than 50% of homes nearby

Price per ft²$127
CheaperTypical $104Pricier

Pricier than 64% of homes nearby

Living area1,118 ft²
SmallerTypical 1,437 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.21 ac
SmallerTypical 0.21 acBigger

Bigger than 50% of homes nearby

Year built1910
OlderTypical 1931Newer

Newer than 25% of homes nearby

How 426 Alder St ranks against every home in each area.
MeasureThis homeTarentum 15084Allegheny County
Estimated valuepricier than$142,42450% of homes25% of homes
Price per ft²pricier than$12764% of homes31% of homes
Living areabigger than1,118 ft²23% of homes20% of homes
Lot sizebigger than0.21 ac50% of homes58% of homes
Year builtnewer than191025% of homes16% of homes

About 426 Alder St

How much is 426 Alder St, Tarentum, PA worth?

The TopHap Estimate for 426 Alder St, Tarentum, PA is $142,424 as of Sep 24, 2026. The likely range is $134,483 to $150,365. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 426 Alder St, Tarentum, PA last sell?

426 Alder St, Tarentum, PA last sold on Dec 3, 2001 for $47,000, according to the county's recorded deed.

How big is 426 Alder St, Tarentum, PA?

426 Alder St, Tarentum, PA has 3 bedrooms, 1 bathrooms, 1,118 square feet of living space and a 0.21-acre lot.

When was 426 Alder St, Tarentum, PA built?

426 Alder St, Tarentum, PA was built in 1910, making it 116 years old. It is a bungalow home. The building has 1 story.

What schools serve 426 Alder St, Tarentum, PA?

426 Alder St, Tarentum, PA is assigned to Curtisville Primary Center (elementary); Deer Lakes Middle School (middle), rated B+; Deer Lakes High School (high), rated B-. All sit in Deer Lakes School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 426 Alder St, Tarentum, PA compare to other homes in Tarentum 15084?

Among the 3,913 homes in Tarentum 15084, it is worth more than 50% of them ($142,424 against a typical $140,497), its price per square foot is higher than 64% of them ($127 against a typical $104), it is bigger than 23% of them (1,118 ft² against a typical 1,437 ft²), its lot is bigger than 50% of them (0.21 ac against a typical 0.21 ac) and it is newer than 25% of them (1910 against a typical 1931). Measured against all of Allegheny County, it is worth more than 25% 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 426 Alder St, Tarentum, PA?

The 2026 property tax bill for 426 Alder St, Tarentum, PA was $209. The county assessed it at $32,500.

More homes on Alder St

Closest homes

More homes in Tarentum 15084

Assigned schools

Explore the area

See this home in context

Open 426 Alder St on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map