Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$266,221$233 / 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 Aug 30, 2026
Last sold for $98,940 on Apr 19, 2005

3515 ROUTE 378

BETHLEHEM, PA 18015
3
Beds
1
Baths
1,143 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.
3,833 ft²
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$266K
$250K low$282K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$98,940 · Apr 19, 2005

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$419 (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.$38,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$27,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$38,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$77,600

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.Bungalow
CountyNorthampton
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.1987
Lot (acres)The size of the land the home sits on, from county records.0.09
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.None
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

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.

M
Saucon Valley Middle SchoolA-
Middle · Grades 5–8 · 3.2 mi
E
Saucon Valley Elementary SchoolA-
Elementary · Grades KG–4 · 3.3 mi
H
Saucon Valley High SchoolA
High · Grades 9–12 · 3.3 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%

Owner Tools

Do you own this home?
Claim this home

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

3515 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 77% of homes in Northampton County
  • Costs more per square foot than 74% of homes in Bethlehem 18015
  • Smaller than 87% of homes in Northampton County
  • Has a smaller lot than 82% of homes in Northampton County
  • Older than 67% 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
$119K$1.4M

This home is worth more than 47% 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$266,221
CheaperTypical $273,725Pricier

Pricier than 47% of homes nearby

Price per ft²$233
CheaperTypical $182Pricier

Pricier than 74% of homes nearby

Living area1,143 ft²
SmallerTypical 1,584 ft²Bigger

Bigger than 17% of homes nearby

Lot size3,833 ft²
SmallerTypical 0.12 acBigger

Bigger than 43% of homes nearby

Year built1940
OlderTypical 1920Newer

Newer than 59% of homes nearby

How 3515 Route 378 ranks against every home in each area.
MeasureThis homeBethlehem 18015Northampton County
Estimated valuepricier than$266,22147% of homes23% of homes
Price per ft²pricier than$23374% of homes62% of homes
Living areabigger than1,143 ft²17% of homes13% of homes
Lot sizebigger than3,833 ft²43% of homes18% of homes
Year builtnewer than194059% of homes33% of homes

About 3515 Route 378

How much is 3515 Route 378, Bethlehem, PA worth?

The TopHap Estimate for 3515 Route 378, Bethlehem, PA is $266,221 as of Aug 30, 2026. The likely range is $250,313 to $282,129. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3515 Route 378, Bethlehem, PA last sell?

3515 Route 378, Bethlehem, PA last sold on Apr 19, 2005 for $98,940, according to the county's recorded deed.

How big is 3515 Route 378, Bethlehem, PA?

3515 Route 378, Bethlehem, PA has 3 bedrooms, 1 bathrooms, 1,143 square feet of living space and a 0.09-acre lot.

When was 3515 Route 378, Bethlehem, PA built?

3515 Route 378, Bethlehem, PA was built in 1940, making it 86 years old. It is a bungalow home. The building has 1 story.

What schools serve 3515 Route 378, Bethlehem, PA?

3515 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 3515 Route 378, Bethlehem, PA compare to other homes in Bethlehem 18015?

Among the 8,645 homes in Bethlehem 18015, it is worth more than 47% of them ($266,221 against a typical $273,725), its price per square foot is higher than 74% of them ($233 against a typical $182), it is bigger than 17% of them (1,143 ft² against a typical 1,584 ft²), its lot is bigger than 43% of them (3,833 ft² against a typical 0.12 ac) and it is newer than 59% of them (1940 against a typical 1920). Measured against all of Northampton County, it is worth more than 23% 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 3515 Route 378, Bethlehem, PA?

The 2026 property tax bill for 3515 Route 378, Bethlehem, PA was $419. The county assessed it at $38,800.

More homes on Route 378

Closest homes

More homes in Bethlehem 18015

Assigned schools

Explore the area

See this home in context

Open 3515 Route 378 on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map