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TownhouseResidential
$1,346,912$484 / 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 $1,325,000 on Feb 17, 2026

623 KATER ST

PHILADELPHIA, PA 19147
3
Beds
3
Baths
2,782 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.
1,392 ft²
Lot SizeThe size of the land the home sits on, from county records.
1905
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.3M
$1.3M low$1.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,325,000 · Feb 17, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,658 (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.$1,011,800 (2027)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$202,360
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$809,440
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,004,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,011,800

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.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
1
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
76
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.
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.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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Open
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(5)

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(5)

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

E
William M. Meredith SchoolA+
Elementary · Grades KG–8 · 0.2 mi
H
Horace Furness High SchoolD-
High · Grades 9–12 · 1.3 mi

District: Philadelphia City School District

Neighborhood · ZIP 19147These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.73

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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.5%
PopulationHow many people live in this area.39,711
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.24,684 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,472
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,361
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

623 Kater 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.

  • Among the most valuable homes in Philadelphia County
  • Costs more per square foot than 97% of homes in Philadelphia County
  • Bigger than 95% of homes in Philadelphia County
  • Has a bigger lot than 88% of homes in Bella Vista
  • Older than 93% of homes in Philadelphia County

What homes are worth in Philadelphia 19147

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

This home
$229K$1.3M

This home is worth more than 98% of homes in Philadelphia 19147.

How it measures up in Philadelphia 19147

The dot is this home. The mark in the middle is the typical home in Philadelphia 19147.

Estimated value$1,346,912
CheaperTypical $496,464Pricier

Pricier than 98% of homes nearby

Price per ft²$484
CheaperTypical $354Pricier

Pricier than 90% of homes nearby

Living area2,782 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 92% of homes nearby

Lot size1,392 ft²
SmallerTypical 871 ft²Bigger

Bigger than 86% of homes nearby

Year built1905
OlderTypical 1920Newer

Newer than 12% of homes nearby

How 623 Kater St ranks against every home in each area.
MeasureThis homeBella VistaPhiladelphia 19147Philadelphia County
Estimated valuepricier than$1,346,91298% of homes98% of homesalmost all homes
Price per ft²pricier than$48490% of homes90% of homes97% of homes
Living areabigger than2,782 ft²90% of homes92% of homes95% of homes
Lot sizebigger than1,392 ft²88% of homes86% of homes52% of homes
Year builtnewer than190512% of homes12% of homes7% of homes

About 623 Kater St

How much is 623 Kater St, Philadelphia, PA worth?

The TopHap Estimate for 623 Kater St, Philadelphia, PA is $1,346,912 as of Sep 24, 2026. The likely range is $1,261,610 to $1,432,214. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 623 Kater St, Philadelphia, PA last sell?

623 Kater St, Philadelphia, PA last sold on Feb 17, 2026 for $1,325,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 623 Kater St, Philadelphia, PA?

623 Kater St, Philadelphia, PA has 3 bedrooms, 3 bathrooms, 2,782 square feet of living space and a 0.03-acre lot.

When was 623 Kater St, Philadelphia, PA built?

623 Kater St, Philadelphia, PA was built in 1905, making it 121 years old. It is a townhouse home. The building has 1 story.

What schools serve 623 Kater St, Philadelphia, PA?

623 Kater St, Philadelphia, PA is assigned to William M. Meredith School (elementary), rated A+; Horace Furness 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 623 Kater St, Philadelphia, PA compare to other homes in Philadelphia 19147?

Among the 14,625 homes in Philadelphia 19147, it is worth more than 98% of them ($1,346,912 against a typical $496,464), its price per square foot is higher than 90% of them ($484 against a typical $354), it is bigger than 92% of them (2,782 ft² against a typical 1,500 ft²), its lot is bigger than 86% of them (1,392 ft² against a typical 871 ft²) and it is newer than 12% of them (1905 against a typical 1920). Measured against all of Philadelphia County, it is worth more than almost all 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 623 Kater St, Philadelphia, PA?

The 2026 property tax bill for 623 Kater St, Philadelphia, PA was $12,658. The county assessed it at $1,011,800.

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