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TownhouseResidential
$406,980$338 / 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
Last sold for $275,100 on Sep 22, 2022

831 FEDERAL ST

PHILADELPHIA, PA 19147
3
Beds
1
Baths
1,204 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.
574 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.
3
StoriesHow many floors the home has above ground.

Valuation

$407K
$321K low$493K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,100 · Sep 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,601 (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.$322,100 (2027)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$64,420
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$257,680
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$328,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$322,100

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.42 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.0.01
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
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(1)

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

E
Vare-Washington SchoolC-
Elementary · Grades KG–8 · 0.3 mi
H
Horace Furness High SchoolD-
High · Grades 9–12 · 0.8 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%

Owner Tools

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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

831 Federal 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 County
  • Costs more per square foot than 89% of homes in Philadelphia County
  • Smaller than 66% of homes in Philadelphia 19147
  • Has a smaller lot than 98% of homes in Philadelphia County
  • Newer than 82% of homes in Passayunk Square

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 32% 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$406,980
CheaperTypical $498,836Pricier

Pricier than 32% of homes nearby

Price per ft²$338
CheaperTypical $354Pricier

Pricier than 41% of homes nearby

Living area1,204 ft²
SmallerTypical 1,496 ft²Bigger

Bigger than 34% of homes nearby

Lot size574 ft²
SmallerTypical 871 ft²Bigger

Bigger than 15% of homes nearby

Year built1920
OlderTypical 1920Newer

Newer than 66% of homes nearby

How 831 Federal St ranks against every home in each area.
MeasureThis homePassayunk SquarePhiladelphia 19147Philadelphia County
Estimated valuepricier than$406,98049% of homes32% of homes84% of homes
Price per ft²pricier than$33859% of homes41% of homes89% of homes
Living areabigger than1,204 ft²43% of homes34% of homes44% of homes
Lot sizebigger than574 ft²8% of homes15% of homes2% of homes
Year builtnewer than192082% of homes66% of homes29% of homes

About 831 Federal St

How much is 831 Federal St, Philadelphia, PA worth?

The TopHap Estimate for 831 Federal St, Philadelphia, PA is $406,980 as of Oct 21, 2026. The likely range is $320,860 to $493,100. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 831 Federal St, Philadelphia, PA last sell?

831 Federal St, Philadelphia, PA last sold on Sep 22, 2022 for $275,100, according to the county's recorded deed.

How big is 831 Federal St, Philadelphia, PA?

831 Federal St, Philadelphia, PA has 3 bedrooms, 1 bathrooms, 1,204 square feet of living space and a 0.01-acre lot.

When was 831 Federal St, Philadelphia, PA built?

831 Federal St, Philadelphia, PA was built in 1920, making it 106 years old. It is a townhouse home. The building has 3 stories.

What schools serve 831 Federal St, Philadelphia, PA?

831 Federal St, Philadelphia, PA is assigned to Vare-Washington School (elementary), rated C-; 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 831 Federal St, Philadelphia, PA compare to other homes in Philadelphia 19147?

Among the 14,625 homes in Philadelphia 19147, it is worth more than 32% of them ($406,980 against a typical $498,836), its price per square foot is higher than 41% of them ($338 against a typical $354), it is bigger than 34% of them (1,204 ft² against a typical 1,496 ft²), its lot is bigger than 15% of them (574 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 84% 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 831 Federal St, Philadelphia, PA?

The 2026 property tax bill for 831 Federal St, Philadelphia, PA was $4,601. The county assessed it at $322,100.

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