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Single Family ResidenceResidential
$521,319$227 / 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 97How 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 $329,000 on Jun 14, 2017

3910 KLEIN ST

BETHLEHEM, PA 18020
3
Beds
3 / 1
Baths
2,300 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.
2
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$521K
$503K low$539K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$329,000 · Jun 14, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$906 (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.$83,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$66,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$83,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$167,800

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.Colonial
CountyNorthampton
Lot (acres)The size of the land the home sits on, from county records.0.23
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached

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
Miller Heights Elementary SchoolB
Elementary · Grades KG–5 · 0.3 mi
H
Freedom High SchoolD+
High · Grades 9–12 · 1.4 mi
M
East Hills Middle SchoolD+
Middle · Grades 6–8 · 1.5 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

3910 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 78% of homes in Northampton County
  • Bigger than 77% of homes in Northampton County
  • Has a smaller lot than 73% of homes in Bethlehem 18020
  • Newer than 76% 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 67% 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$521,319
CheaperTypical $444,157Pricier

Pricier than 67% of homes nearby

Price per ft²$227
CheaperTypical $236Pricier

Pricier than 38% of homes nearby

Living area2,300 ft²
SmallerTypical 1,914 ft²Bigger

Bigger than 70% of homes nearby

Lot size0.23 ac
SmallerTypical 0.29 acBigger

Bigger than 27% of homes nearby

Year built1993
OlderTypical 1984Newer

Newer than 69% of homes nearby

How 3910 Klein St ranks against every home in each area.
MeasureThis homeBethlehem 18020Northampton County
Estimated valuepricier than$521,31967% of homes78% of homes
Price per ft²pricier than$22738% of homes56% of homes
Living areabigger than2,300 ft²70% of homes77% of homes
Lot sizebigger than0.23 ac27% of homes45% of homes
Year builtnewer than199369% of homes76% of homes

About 3910 Klein St

How much is 3910 Klein St, Bethlehem, PA worth?

The TopHap Estimate for 3910 Klein St, Bethlehem, PA is $521,319 as of Oct 21, 2026. The likely range is $503,181 to $539,457. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3910 Klein St, Bethlehem, PA last sell?

3910 Klein St, Bethlehem, PA last sold on Jun 14, 2017 for $329,000, according to the county's recorded deed.

How big is 3910 Klein St, Bethlehem, PA?

3910 Klein St, Bethlehem, PA has 3 bedrooms, 3 bathrooms, 2,300 square feet of living space and a 0.23-acre lot.

When was 3910 Klein St, Bethlehem, PA built?

3910 Klein St, Bethlehem, PA was built in 1993, making it 33 years old. It is a colonial home. The building has 2 stories.

What schools serve 3910 Klein St, Bethlehem, PA?

3910 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 3910 Klein St, Bethlehem, PA compare to other homes in Bethlehem 18020?

Among the 6,982 homes in Bethlehem 18020, it is worth more than 67% of them ($521,319 against a typical $444,157), its price per square foot is higher than 38% of them ($227 against a typical $236), it is bigger than 70% of them (2,300 ft² against a typical 1,914 ft²), its lot is bigger than 27% of them (0.23 ac against a typical 0.29 ac) and it is newer than 69% of them (1993 against a typical 1984). Measured against all of Northampton County, it is worth more than 78% 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 3910 Klein St, Bethlehem, PA?

The 2026 property tax bill for 3910 Klein St, Bethlehem, PA was $906. The county assessed it at $83,900.

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