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TownhouseResidential
$202,535$176 / 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 88How 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 $235,000 on Apr 29, 2026

4121 I ST

PHILADELPHIA, PA 19124
3
Beds
1
Baths
1,152 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.
1,164 ft²
Lot SizeThe size of the land the home sits on, from county records.
1925
Year BuiltThe year the home was originally built, according to county records.
2
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

$203K
$178K low$227K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$235,000 · Apr 29, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,426 (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.$186,800 (2027)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$37,360
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,440
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$173,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$186,800

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyPHILADELPHIA
Lot (acres)The size of the land the home sits on, from county records.0.03
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.Hot Water
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.

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

E
Juniata Park AcademyD-
Elementary · Grades KG–8 · 0.3 mi
H
Frankford High SchoolF
High · Grades 9–12 · 1.4 mi

District: Philadelphia City School District

Neighborhood · ZIP 19124These 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.90
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.100
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.10%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.30%
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.66,005
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.13,409 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$42,417
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$57,777
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.47 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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

4121 I 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 84% of homes in Philadelphia 19124
  • Costs more per square foot than 82% of homes in Philadelphia 19124
  • Has a smaller lot than 69% of homes in Philadelphia 19124
  • Newer than 76% of homes in Juniata

What homes are worth in Philadelphia 19124

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

This home
$69K$261K

This home is worth more than 84% of homes in Philadelphia 19124.

How it measures up in Philadelphia 19124

The dot is this home. The mark in the middle is the typical home in Philadelphia 19124.

Estimated value$202,535
CheaperTypical $167,834Pricier

Pricier than 84% of homes nearby

Price per ft²$176
CheaperTypical $142Pricier

Pricier than 82% of homes nearby

Living area1,152 ft²
SmallerTypical 1,200 ft²Bigger

Bigger than 44% of homes nearby

Lot size1,164 ft²
SmallerTypical 1,350 ft²Bigger

Bigger than 31% of homes nearby

Year built1925
OlderTypical 1935Newer

Newer than 36% of homes nearby

How 4121 I St ranks against every home in each area.
MeasureThis homeJuniataPhiladelphia 19124Philadelphia County
Estimated valuepricier than$202,53581% of homes84% of homes46% of homes
Price per ft²pricier than$17665% of homes82% of homes49% of homes
Living areabigger than1,152 ft²55% of homes44% of homes37% of homes
Lot sizebigger than1,164 ft²38% of homes31% of homes40% of homes
Year builtnewer than192576% of homes36% of homes51% of homes

About 4121 I St

How much is 4121 I St, Philadelphia, PA worth?

The TopHap Estimate for 4121 I St, Philadelphia, PA is $202,535 as of Sep 24, 2026. The likely range is $178,452 to $226,618. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4121 I St, Philadelphia, PA last sell?

4121 I St, Philadelphia, PA last sold on Apr 29, 2026 for $235,000, according to the county's recorded deed.

How big is 4121 I St, Philadelphia, PA?

4121 I St, Philadelphia, PA has 3 bedrooms, 1 bathrooms, 1,152 square feet of living space and a 0.03-acre lot.

When was 4121 I St, Philadelphia, PA built?

4121 I St, Philadelphia, PA was built in 1925, making it 101 years old. It is a townhouse home. The building has 2 stories.

What schools serve 4121 I St, Philadelphia, PA?

4121 I St, Philadelphia, PA is assigned to Juniata Park Academy (elementary), rated D-; Frankford High School (high), rated F. All sit in Philadelphia City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4121 I St, Philadelphia, PA compare to other homes in Philadelphia 19124?

Among the 20,357 homes in Philadelphia 19124, it is worth more than 84% of them ($202,535 against a typical $167,834), its price per square foot is higher than 82% of them ($176 against a typical $142), it is bigger than 44% of them (1,152 ft² against a typical 1,200 ft²), its lot is bigger than 31% of them (1,164 ft² against a typical 1,350 ft²) and it is newer than 36% of them (1925 against a typical 1935). Measured against all of Philadelphia County, it is worth more than 46% 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 4121 I St, Philadelphia, PA?

The 2026 property tax bill for 4121 I St, Philadelphia, PA was $2,426. The county assessed it at $186,800.

More homes on I St

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Assigned schools

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