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TownhouseResidential
$682,148$662 / 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 79How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026

621 KATER ST

PHILADELPHIA, PA 19147
3
Beds
1
Baths
1,030 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.
780 ft²
Lot SizeThe size of the land the home sits on, from county records.
1920
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.

Valuation

$682K
$537K low$827K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,706 (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.$142,800 (2027)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$28,560
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$114,240
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$479,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$142,800

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.0.02
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
CoolingThe type of cooling or air conditioning in the home.Central
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
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

621 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.

  • Worth more than 95% of homes in Philadelphia County
  • Among the highest price per square foot in Bella Vista
  • Smaller than 81% of homes in Bella Vista
  • Has a smaller lot than 86% of homes in Philadelphia County
  • Newer than 76% of homes in Bella Vista

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
$231K$1.3M

This home is worth more than 75% 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$682,148
CheaperTypical $497,511Pricier

Pricier than 75% of homes nearby

Price per ft²$662
CheaperTypical $355Pricier

Pricier than almost all homes nearby

Living area1,030 ft²
SmallerTypical 1,500 ft²Bigger

Bigger than 21% of homes nearby

Lot size780 ft²
SmallerTypical 871 ft²Bigger

Bigger than 37% of homes nearby

Year built1920
OlderTypical 1920Newer

Newer than 66% of homes nearby

How 621 Kater St ranks against every home in each area.
MeasureThis homeBella VistaPhiladelphia 19147Philadelphia County
Estimated valuepricier than$682,14870% of homes75% of homes95% of homes
Price per ft²pricier than$662almost all homesalmost all homesalmost all homes
Living areabigger than1,030 ft²19% of homes21% of homes19% of homes
Lot sizebigger than780 ft²47% of homes37% of homes14% of homes
Year builtnewer than192076% of homes66% of homes28% of homes

About 621 Kater St

How much is 621 Kater St, Philadelphia, PA worth?

The TopHap Estimate for 621 Kater St, Philadelphia, PA is $682,148 as of Oct 21, 2026. The likely range is $537,358 to $826,938. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 621 Kater St, Philadelphia, PA last sell?

621 Kater St, Philadelphia, PA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 621 Kater St, Philadelphia, PA?

621 Kater St, Philadelphia, PA has 3 bedrooms, 1 bathrooms, 1,030 square feet of living space and a 0.02-acre lot.

When was 621 Kater St, Philadelphia, PA built?

621 Kater St, Philadelphia, PA was built in 1920, making it 106 years old. It is a townhouse home. The building has 2 stories.

What schools serve 621 Kater St, Philadelphia, PA?

621 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 621 Kater St, Philadelphia, PA compare to other homes in Philadelphia 19147?

Among the 14,628 homes in Philadelphia 19147, it is worth more than 75% of them ($682,148 against a typical $497,511), its price per square foot is higher than almost all of them ($662 against a typical $355), it is bigger than 21% of them (1,030 ft² against a typical 1,500 ft²), its lot is bigger than 37% of them (780 ft² against a typical 871 ft²) and it is newer than 66% of them (1920 against a typical 1920). Measured against all of Philadelphia County, it is worth more than 95% 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 621 Kater St, Philadelphia, PA?

The 2026 property tax bill for 621 Kater St, Philadelphia, PA was $6,706. The county assessed it at $142,800.

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