Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$372,500$195 / 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 93How 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 $325,000 on May 21, 2026

8870 ALTON ST

PHILADELPHIA, PA 19115
3
Beds
2.5
Baths
1,908 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$373K
$346K low$399K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$325,000 · May 21, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,824 (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.$479,300 (2027)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,860
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$383,440
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$444,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$479,300

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
73
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
81
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
33
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.Split Level
CountyPHILADELPHIA
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
HeatingThe type of heating system in the home.Yes
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, Basement
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.

Foreclosure Filings(2)

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
CCA Baldi Middle SchoolA
Middle · Grades 6–8 · 0.7 mi
E
Anne Frank Elementary SchoolA
Elementary · Grades KG–5 · 1.4 mi
H
George Washington High SchoolD
High · Grades 9–12 · 2.2 mi

District: Philadelphia City School District

Neighborhood · ZIP 19115These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.80

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.8%
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.36,490
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.7,188 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$72,044
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$103,188
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.49 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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

8870 Alton 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 more than 80% of homes in Philadelphia County
  • Costs less per square foot than 87% of homes in Philadelphia 19115
  • Bigger than 86% of homes in Philadelphia County
  • Has a bigger lot than 94% of homes in Philadelphia County
  • Newer than 87% of homes in Philadelphia County

What homes are worth in Philadelphia 19115

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

This home
$163K$757K

This home is worth more than 40% of homes in Philadelphia 19115.

How it measures up in Philadelphia 19115

The dot is this home. The mark in the middle is the typical home in Philadelphia 19115.

Estimated value$372,500
CheaperTypical $423,588Pricier

Pricier than 40% of homes nearby

Price per ft²$195
CheaperTypical $235Pricier

Pricier than 13% of homes nearby

Living area1,908 ft²
SmallerTypical 1,566 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.13 ac
SmallerTypical 0.11 acBigger

Bigger than 57% of homes nearby

Year built1965
OlderTypical 1965Newer

Newer than 62% of homes nearby

How 8870 Alton St ranks against every home in each area.
MeasureThis homeKrewstownPhiladelphia 19115Philadelphia County
Estimated valuepricier than$372,50036% of homes40% of homes80% of homes
Price per ft²pricier than$19516% of homes13% of homes57% of homes
Living areabigger than1,908 ft²82% of homes76% of homes86% of homes
Lot sizebigger than0.13 ac47% of homes57% of homes94% of homes
Year builtnewer than196573% of homes62% of homes87% of homes

About 8870 Alton St

How much is 8870 Alton St, Philadelphia, PA worth?

The TopHap Estimate for 8870 Alton St, Philadelphia, PA is $372,500 as of Sep 24, 2026. The likely range is $346,352 to $398,648. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8870 Alton St, Philadelphia, PA last sell?

8870 Alton St, Philadelphia, PA last sold on May 21, 2026 for $325,000, according to the county's recorded deed.

How big is 8870 Alton St, Philadelphia, PA?

8870 Alton St, Philadelphia, PA has 3 bedrooms, 2.5 bathrooms, 1,908 square feet of living space and a 0.13-acre lot.

When was 8870 Alton St, Philadelphia, PA built?

8870 Alton St, Philadelphia, PA was built in 1965, making it 61 years old. It is a split level home. The building has 1 story.

What schools serve 8870 Alton St, Philadelphia, PA?

8870 Alton St, Philadelphia, PA is assigned to CCA Baldi Middle School (middle), rated A; Anne Frank Elementary School (elementary), rated A; George Washington High School (high), rated D. All sit in Philadelphia City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8870 Alton St, Philadelphia, PA compare to other homes in Philadelphia 19115?

Among the 10,151 homes in Philadelphia 19115, it is worth more than 40% of them ($372,500 against a typical $423,588), its price per square foot is higher than 13% of them ($195 against a typical $235), it is bigger than 76% of them (1,908 ft² against a typical 1,566 ft²), its lot is bigger than 57% of them (0.13 ac against a typical 0.11 ac) and it is newer than 62% of them (1965 against a typical 1965). Measured against all of Philadelphia County, it is worth more than 80% 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 8870 Alton St, Philadelphia, PA?

The 2026 property tax bill for 8870 Alton St, Philadelphia, PA was $4,824. The county assessed it at $479,300.

More homes on Alton St

Closest homes

More homes in Philadelphia 19115

Assigned schools

Explore the area

See this home in context

Open 8870 Alton 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