Skip to content
Skip to content
TopHapOpen in map
Duplex (2 Units, Any Combination)Residential
Last sold for $40,500 on Oct 23, 1980

428 KNORR ST

PHILADELPHIA, PA 19111
0
Baths
1,350 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.
2,500 ft²
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.
2
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$40,500 · Oct 23, 1980

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,118 (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.$255,500 (2027)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$51,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$204,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$251,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$255,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyPHILADELPHIA
Lot (acres)The size of the land the home sits on, from county records.0.06
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
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
J. Hampton Moore SchoolD+
Elementary · Grades KG–5 · 0.9 mi
H
Northeast High SchoolD+
High · Grades 9–12 · 1.1 mi
M
Castor Gardens Middle SchoolD-
Middle · Grades 6–8 · 1.2 mi

District: Philadelphia City School District

Neighborhood · ZIP 19111These 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.70
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.15%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.64,659
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.12,592 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$60,334
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$83,019
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

428 Knorr 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.

  • Has a bigger lot than 81% of homes in Philadelphia County
  • Older than 84% of homes in Philadelphia 19111

How it measures up in Philadelphia 19111

The dot is this home. The mark in the middle is the typical home in Philadelphia 19111.

Living area1,350 ft²
SmallerTypical 1,358 ft²Bigger

Bigger than 49% of homes nearby

Lot size2,500 ft²
SmallerTypical 2,788 ft²Bigger

Bigger than 35% of homes nearby

Year built1940
OlderTypical 1950Newer

Newer than 16% of homes nearby

How 428 Knorr St ranks against every home in each area.
MeasureThis homeLawndalePhiladelphia 19111Philadelphia County
Living areabigger than1,350 ft²53% of homes49% of homes59% of homes
Lot sizebigger than2,500 ft²42% of homes35% of homes81% of homes
Year builtnewer than194045% of homes16% of homes63% of homes

About 428 Knorr St

When did 428 Knorr St, Philadelphia, PA last sell?

428 Knorr St, Philadelphia, PA last sold on Oct 23, 1980 for $40,500, according to the county's recorded deed.

How big is 428 Knorr St, Philadelphia, PA?

428 Knorr St, Philadelphia, PA has 1,350 square feet of living space and a 0.06-acre lot.

When was 428 Knorr St, Philadelphia, PA built?

428 Knorr St, Philadelphia, PA was built in 1940, making it 86 years old. It is a conventional home. The building has 2 stories.

What schools serve 428 Knorr St, Philadelphia, PA?

428 Knorr St, Philadelphia, PA is assigned to J. Hampton Moore School (elementary), rated D+; Northeast High School (high), rated D+; Castor Gardens Middle School (middle), rated D-. All sit in Philadelphia City School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 428 Knorr St, Philadelphia, PA compare to other homes in Philadelphia 19111?

Among the 18,276 homes in Philadelphia 19111, it is bigger than 49% of them (1,350 ft² against a typical 1,358 ft²), its lot is bigger than 35% of them (2,500 ft² against a typical 2,788 ft²) and it is newer than 16% of them (1940 against a typical 1950). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 428 Knorr St, Philadelphia, PA?

The 2026 property tax bill for 428 Knorr St, Philadelphia, PA was $2,118. The county assessed it at $255,500.

More homes on Knorr St

Closest homes

More homes in Philadelphia 19111

Assigned schools

Explore the area

See this home in context

Open 428 Knorr 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