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Single Family ResidenceResidential
$272,913$140 / 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 86How 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 $200,000 on May 6, 2025

631 PROSPECT AVE

BETHLEHEM, PA 18018
3
Beds
1
Baths
1,944 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.
3,704 ft²
Lot SizeThe size of the land the home sits on, from county records.
1926
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$273K
$235K low$311K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$200,000 · May 6, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,112 (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.$139,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$14,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$125,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$139,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$139,800

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.0.09
ConstructionThe main material the home's frame and walls are built from.Brick
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

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
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

631 Prospect Ave 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 71% of homes in Lehigh County
  • Costs less per square foot than 95% of homes in Bethlehem 18018
  • Bigger than 81% of homes in Bethlehem 18018
  • Has a smaller lot than 75% of homes in Lehigh County
  • Older than 75% 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 40% 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$272,913
CheaperTypical $287,927Pricier

Pricier than 40% of homes nearby

Price per ft²$140
CheaperTypical $197Pricier

Pricier than 5% of homes nearby

Living area1,944 ft²
SmallerTypical 1,460 ft²Bigger

Bigger than 81% of homes nearby

Lot size3,704 ft²
SmallerTypical 4,182 ft²Bigger

Bigger than 45% of homes nearby

Year built1926
OlderTypical 1925Newer

Newer than 52% of homes nearby

How 631 Prospect Ave ranks against every home in each area.
MeasureThis homeBethlehem 18018Lehigh County
Estimated valuepricier than$272,91340% of homes29% of homes
Price per ft²pricier than$1405% of homes9% of homes
Living areabigger than1,944 ft²81% of homes64% of homes
Lot sizebigger than3,704 ft²45% of homes25% of homes
Year builtnewer than192652% of homes25% of homes

About 631 Prospect Ave

How much is 631 Prospect Ave, Bethlehem, PA worth?

The TopHap Estimate for 631 Prospect Ave, Bethlehem, PA is $272,913 as of Sep 24, 2026. The likely range is $235,123 to $310,703. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 631 Prospect Ave, Bethlehem, PA last sell?

631 Prospect Ave, Bethlehem, PA last sold on May 6, 2025 for $200,000, according to the county's recorded deed.

How big is 631 Prospect Ave, Bethlehem, PA?

631 Prospect Ave, Bethlehem, PA has 3 bedrooms, 1 bathrooms, 1,944 square feet of living space and a 0.09-acre lot.

When was 631 Prospect Ave, Bethlehem, PA built?

631 Prospect Ave, Bethlehem, PA was built in 1926, making it 100 years old. It is a split level home. The building has 3 stories.

What schools serve 631 Prospect Ave, Bethlehem, PA?

631 Prospect Ave, 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 631 Prospect Ave, Bethlehem, PA compare to other homes in Bethlehem 18018?

Among the 9,659 homes in Bethlehem 18018, it is worth more than 40% of them ($272,913 against a typical $287,927), its price per square foot is higher than 5% of them ($140 against a typical $197), it is bigger than 81% of them (1,944 ft² against a typical 1,460 ft²), its lot is bigger than 45% of them (3,704 ft² against a typical 4,182 ft²) and it is newer than 52% of them (1926 against a typical 1925). Measured against all of Lehigh County, it is worth more than 29% 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 631 Prospect Ave, Bethlehem, PA?

The 2026 property tax bill for 631 Prospect Ave, Bethlehem, PA was $4,112. The county assessed it at $139,800.

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