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Single Family ResidenceResidential
$206,183$193 / 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

638 FRANKLIN ALY

BETHLEHEM, PA 18018
3
Beds
1
Baths
1,066 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.
1,319 ft²
Lot SizeThe size of the land the home sits on, from county records.
1901
Year BuiltThe year the home was originally built, according to county records.
3
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

$206K
$193K low$219K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,991 (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.$67,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$6,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$61,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$67,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$67,700

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Split Level
CountyLehigh
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.Frame (Unspecified)
HeatingThe type of heating system in the home.Baseboard
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage

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

E
Calypso Elementary SchoolB-
Elementary · Grades PK–5 · 0.3 mi
M
Nitschmann Middle SchoolC-
Middle · Grades 6–8 · 0.6 mi
H
Liberty High SchoolD
High · Grades 9–12 · 1.3 mi

District: Bethlehem Area School District

Neighborhood · ZIP 18018These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.70

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.24%
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.1.1%
PopulationHow many people live in this area.33,847
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,411 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$67,513
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$92,632
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

638 Franklin Aly 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 93% of homes in Bethlehem 18018
  • Costs less per square foot than 66% of homes in Lehigh County
  • Smaller than 90% of homes in Lehigh County
  • Has a smaller lot than 98% of homes in Lehigh County
  • Older than 87% of homes in Lehigh County

What homes are worth in Bethlehem 18018

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

This home
$183K$568K

This home is worth more than 7% of homes in Bethlehem 18018.

How it measures up in Bethlehem 18018

The dot is this home. The mark in the middle is the typical home in Bethlehem 18018.

Estimated value$206,183
CheaperTypical $287,927Pricier

Pricier than 7% of homes nearby

Price per ft²$193
CheaperTypical $197Pricier

Pricier than 46% of homes nearby

Living area1,066 ft²
SmallerTypical 1,460 ft²Bigger

Bigger than 14% of homes nearby

Lot size1,319 ft²
SmallerTypical 4,182 ft²Bigger

Bigger than 3% of homes nearby

Year built1901
OlderTypical 1925Newer

Newer than 24% of homes nearby

How 638 Franklin Aly ranks against every home in each area.
MeasureThis homeBethlehem 18018Lehigh County
Estimated valuepricier than$206,1837% of homes9% of homes
Price per ft²pricier than$19346% of homes34% of homes
Living areabigger than1,066 ft²14% of homes10% of homes
Lot sizebigger than1,319 ft²3% of homes2% of homes
Year builtnewer than190124% of homes13% of homes

About 638 Franklin Aly

How much is 638 Franklin Aly, Bethlehem, PA worth?

The TopHap Estimate for 638 Franklin Aly, Bethlehem, PA is $206,183 as of Sep 24, 2026. The likely range is $193,493 to $218,873. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 638 Franklin Aly, Bethlehem, PA last sell?

638 Franklin Aly, Bethlehem, PA last sold on May 1, 1985, according to the county's recorded deed.

How big is 638 Franklin Aly, Bethlehem, PA?

638 Franklin Aly, Bethlehem, PA has 3 bedrooms, 1 bathrooms, 1,066 square feet of living space and a 0.03-acre lot.

When was 638 Franklin Aly, Bethlehem, PA built?

638 Franklin Aly, Bethlehem, PA was built in 1901, making it 125 years old. It is a split level home. The building has 3 stories.

What schools serve 638 Franklin Aly, Bethlehem, PA?

638 Franklin Aly, Bethlehem, PA is assigned to Calypso Elementary School (elementary), rated B-; Nitschmann Middle School (middle), rated C-; Liberty High School (high), rated D. All sit in Bethlehem Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 638 Franklin Aly, Bethlehem, PA compare to other homes in Bethlehem 18018?

Among the 9,659 homes in Bethlehem 18018, it is worth more than 7% of them ($206,183 against a typical $287,927), its price per square foot is higher than 46% of them ($193 against a typical $197), it is bigger than 14% of them (1,066 ft² against a typical 1,460 ft²), its lot is bigger than 3% of them (1,319 ft² against a typical 4,182 ft²) and it is newer than 24% of them (1901 against a typical 1925). Measured against all of Lehigh County, it is worth more than 9% 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 638 Franklin Aly, Bethlehem, PA?

The 2026 property tax bill for 638 Franklin Aly, Bethlehem, PA was $1,991. The county assessed it at $67,700.

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