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Single Family ResidenceResidential
$611,255$275 / 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 Oct 21, 2026
Last sold for $581,000 on Apr 1, 2025

4010 KLEIN ST

BETHLEHEM, PA 18020
4
Beds
4 / 1
Baths
2,220 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.
0.25 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
9
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$611K
$578K low$645K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$581,000 · Apr 1, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,031 (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.$95,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$24,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$71,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$95,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$191,000

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.Colonial
CountyNorthampton
Lot (acres)The size of the land the home sits on, from county records.0.25
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

Transaction History(4)

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
Miller Heights Elementary SchoolB
Elementary · Grades KG–5 · 0.5 mi
H
Freedom High SchoolD+
High · Grades 9–12 · 1.5 mi
M
East Hills Middle SchoolD+
Middle · Grades 6–8 · 1.7 mi

District: Bethlehem Area School District

Neighborhood · ZIP 18020These 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.44
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.22,775
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,670 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$111,561
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$138,295
Average tempThe average temperature here across a full year.51°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.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

4010 Klein 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 88% of homes in Northampton County
  • Costs more per square foot than 87% of homes in Northampton County
  • Bigger than 74% of homes in Northampton County
  • Has a smaller lot than 67% of homes in Bethlehem 18020
  • Newer than 78% of homes in Northampton County

What homes are worth in Bethlehem 18020

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

This home
$225K$972K

This home is worth more than 86% of homes in Bethlehem 18020.

How it measures up in Bethlehem 18020

The dot is this home. The mark in the middle is the typical home in Bethlehem 18020.

Estimated value$611,255
CheaperTypical $444,157Pricier

Pricier than 86% of homes nearby

Price per ft²$275
CheaperTypical $236Pricier

Pricier than 86% of homes nearby

Living area2,220 ft²
SmallerTypical 1,914 ft²Bigger

Bigger than 64% of homes nearby

Lot size0.25 ac
SmallerTypical 0.29 acBigger

Bigger than 33% of homes nearby

Year built1995
OlderTypical 1984Newer

Newer than 73% of homes nearby

How 4010 Klein St ranks against every home in each area.
MeasureThis homeBethlehem 18020Northampton County
Estimated valuepricier than$611,25586% of homes88% of homes
Price per ft²pricier than$27586% of homes87% of homes
Living areabigger than2,220 ft²64% of homes74% of homes
Lot sizebigger than0.25 ac33% of homes48% of homes
Year builtnewer than199573% of homes78% of homes

About 4010 Klein St

How much is 4010 Klein St, Bethlehem, PA worth?

The TopHap Estimate for 4010 Klein St, Bethlehem, PA is $611,255 as of Oct 21, 2026. The likely range is $577,526 to $644,984. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4010 Klein St, Bethlehem, PA last sell?

4010 Klein St, Bethlehem, PA last sold on Apr 1, 2025 for $581,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 4010 Klein St, Bethlehem, PA?

4010 Klein St, Bethlehem, PA has 4 bedrooms, 4 bathrooms, 2,220 square feet of living space and a 0.25-acre lot.

When was 4010 Klein St, Bethlehem, PA built?

4010 Klein St, Bethlehem, PA was built in 1995, making it 31 years old. It is a colonial home. The building has 2 stories.

What schools serve 4010 Klein St, Bethlehem, PA?

4010 Klein St, Bethlehem, PA is assigned to Miller Heights Elementary School (elementary), rated B; Freedom High School (high), rated D+; East Hills Middle School (middle), rated D+. All sit in Bethlehem Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4010 Klein St, Bethlehem, PA compare to other homes in Bethlehem 18020?

Among the 6,982 homes in Bethlehem 18020, it is worth more than 86% of them ($611,255 against a typical $444,157), its price per square foot is higher than 86% of them ($275 against a typical $236), it is bigger than 64% of them (2,220 ft² against a typical 1,914 ft²), its lot is bigger than 33% of them (0.25 ac against a typical 0.29 ac) and it is newer than 73% of them (1995 against a typical 1984). Measured against all of Northampton County, it is worth more than 88% 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 4010 Klein St, Bethlehem, PA?

The 2026 property tax bill for 4010 Klein St, Bethlehem, PA was $1,031. The county assessed it at $95,500.

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