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Single Family ResidenceResidential
$233,483$216 / 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 91How 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

903 S ARMOUR ST

ALLENTOWN, PA 18103
3
Beds
2 / 1
Baths
1,080 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.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$233K
$211K low$255K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,071 (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.$92,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$9,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$83,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$92,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$92,700

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.12 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.Single Family Residence
CountyLehigh
Lot (acres)The size of the land the home sits on, from county records.0.06
HeatingThe type of heating system in the home.Central
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.No Garage

Transaction History(2)

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
Roosevelt Elementary SchoolD-
Elementary · Grades PK–5 · 0.4 mi
M
South Mountain Middle SchoolF
Middle · Grades 6–8 · 1.4 mi
H
Louis E. Dieruff High SchoolD-
High · Grades 9–12 · 2.0 mi

District: Allentown School District

Neighborhood · ZIP 18103These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.72

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.12%
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.48,496
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,771 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,179
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,226
Average tempThe average temperature here across a full year.51°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.53%

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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

903 S Armour 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 less than 85% of homes in Allentown 18103
  • Costs less per square foot than 68% of homes in Penn Square
  • Smaller than 89% of homes in Lehigh County
  • Has a smaller lot than 86% of homes in Allentown 18103
  • Newer than 92% of homes in Penn Square

What homes are worth in Allentown 18103

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

This home
$171K$766K

This home is worth more than 15% of homes in Allentown 18103.

How it measures up in Allentown 18103

The dot is this home. The mark in the middle is the typical home in Allentown 18103.

Estimated value$233,483
CheaperTypical $298,949Pricier

Pricier than 15% of homes nearby

Price per ft²$216
CheaperTypical $215Pricier

Pricier than 52% of homes nearby

Living area1,080 ft²
SmallerTypical 1,402 ft²Bigger

Bigger than 18% of homes nearby

Lot size2,500 ft²
SmallerTypical 0.18 acBigger

Bigger than 14% of homes nearby

Year built1988
OlderTypical 1960Newer

Newer than 87% of homes nearby

How 903 S Armour St ranks against every home in each area.
MeasureThis homePenn SquareAllentown 18103Lehigh County
Estimated valuepricier than$233,48337% of homes15% of homes15% of homes
Price per ft²pricier than$21632% of homes52% of homes55% of homes
Living areabigger than1,080 ft²69% of homes18% of homes11% of homes
Lot sizebigger than2,500 ft²49% of homes14% of homes17% of homes
Year builtnewer than198892% of homes87% of homes71% of homes

About 903 S Armour St

How much is 903 S Armour St, Allentown, PA worth?

The TopHap Estimate for 903 S Armour St, Allentown, PA is $233,483 as of Oct 21, 2026. The likely range is $211,491 to $255,475. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 903 S Armour St, Allentown, PA last sell?

903 S Armour St, Allentown, PA last sold on Nov 19, 2004, according to the county's recorded deed.

How big is 903 S Armour St, Allentown, PA?

903 S Armour St, Allentown, PA has 3 bedrooms, 2 bathrooms, 1,080 square feet of living space and a 0.06-acre lot.

When was 903 S Armour St, Allentown, PA built?

903 S Armour St, Allentown, PA was built in 1988, making it 38 years old. The building has 2 stories.

What schools serve 903 S Armour St, Allentown, PA?

903 S Armour St, Allentown, PA is assigned to Roosevelt Elementary School (elementary), rated D-; South Mountain Middle School (middle), rated F; Louis E. Dieruff High School (high), rated D-. All sit in Allentown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 903 S Armour St, Allentown, PA compare to other homes in Allentown 18103?

Among the 14,352 homes in Allentown 18103, it is worth more than 15% of them ($233,483 against a typical $298,949), its price per square foot is higher than 52% of them ($216 against a typical $215), it is bigger than 18% of them (1,080 ft² against a typical 1,402 ft²), its lot is bigger than 14% of them (2,500 ft² against a typical 0.18 ac) and it is newer than 87% of them (1988 against a typical 1960). Measured against all of Lehigh County, it is worth more than 15% 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 903 S Armour St, Allentown, PA?

The 2026 property tax bill for 903 S Armour St, Allentown, PA was $3,071. The county assessed it at $92,700.

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