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Single Family ResidenceResidential
$227,821$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 82How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $230,000 on Apr 14, 2026

3870 ROUTE 378

BETHLEHEM, PA 18015
3
Beds
1
Baths
1,632 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$228K
$187K low$268K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Apr 14, 2026
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$227,821
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$182,257

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$418 (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.$38,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$19,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$38,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$77,400

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.Custom Design
CountyNorthampton
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Hot Water
CoolingThe type of cooling or air conditioning in the home.None

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.

M
Saucon Valley Middle SchoolA-
Middle · Grades 5–8 · 3.7 mi
E
Saucon Valley Elementary SchoolA-
Elementary · Grades KG–4 · 3.8 mi
H
Saucon Valley High SchoolA
High · Grades 9–12 · 3.8 mi

District: Saucon Valley School District

Neighborhood · ZIP 18015These 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.120
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.71

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.16%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.37,642
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,719 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,214
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$99,329
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

3870 Route 378 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 87% of homes in Northampton County
  • Costs less per square foot than 94% of homes in Northampton County
  • Older than 78% of homes in Northampton County

What homes are worth in Bethlehem 18015

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

This home
$124K$1.3M

This home is worth more than 33% of homes in Bethlehem 18015.

How it measures up in Bethlehem 18015

The dot is this home. The mark in the middle is the typical home in Bethlehem 18015.

Estimated value$227,821
CheaperTypical $269,724Pricier

Pricier than 33% of homes nearby

Price per ft²$140
CheaperTypical $182Pricier

Pricier than 23% of homes nearby

Living area1,632 ft²
SmallerTypical 1,586 ft²Bigger

Bigger than 53% of homes nearby

Lot size0.22 ac
SmallerTypical 0.12 acBigger

Bigger than 63% of homes nearby

Year built1900
OlderTypical 1920Newer

Newer than 36% of homes nearby

How 3870 Route 378 ranks against every home in each area.
MeasureThis homeBethlehem 18015Northampton County
Estimated valuepricier than$227,82133% of homes13% of homes
Price per ft²pricier than$14023% of homes6% of homes
Living areabigger than1,632 ft²53% of homes46% of homes
Lot sizebigger than0.22 ac63% of homes42% of homes
Year builtnewer than190036% of homes22% of homes

About 3870 Route 378

How much is 3870 Route 378, Bethlehem, PA worth?

The TopHap Estimate for 3870 Route 378, Bethlehem, PA is $227,821 as of Jul 14, 2026. The likely range is $187,289 to $268,353. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3870 Route 378, Bethlehem, PA last sell?

3870 Route 378, Bethlehem, PA last sold on Apr 14, 2026 for $230,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3870 Route 378, Bethlehem, PA?

3870 Route 378, Bethlehem, PA has 3 bedrooms, 1 bathrooms, 1,632 square feet of living space and a 0.22-acre lot.

When was 3870 Route 378, Bethlehem, PA built?

3870 Route 378, Bethlehem, PA was built in 1900, making it 126 years old. It is a custom design home. The building has 2 stories.

What schools serve 3870 Route 378, Bethlehem, PA?

3870 Route 378, Bethlehem, PA is assigned to Saucon Valley Middle School (middle), rated A-; Saucon Valley Elementary School (elementary), rated A-; Saucon Valley High School (high), rated A. All sit in Saucon Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3870 Route 378, Bethlehem, PA compare to other homes in Bethlehem 18015?

Among the 8,645 homes in Bethlehem 18015, it is worth more than 33% of them ($227,821 against a typical $269,724), its price per square foot is higher than 23% of them ($140 against a typical $182), it is bigger than 53% of them (1,632 ft² against a typical 1,586 ft²), its lot is bigger than 63% of them (0.22 ac against a typical 0.12 ac) and it is newer than 36% of them (1900 against a typical 1920). Measured against all of Northampton County, it is worth more than 13% 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 3870 Route 378, Bethlehem, PA?

The 2026 property tax bill for 3870 Route 378, Bethlehem, PA was $418. The county assessed it at $38,700.

Closest homes

More homes in Bethlehem 18015

Assigned schools

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