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Single Family ResidenceResidential
$309,290$283 / 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 89How 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 $300,000 on Nov 6, 2023

1815 ALDER LN

BETHLEHEM, PA 18015
3
Beds
1
Baths
1,092 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
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

$309K
$275K low$344K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$300,000 · Nov 6, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,678 (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.$140,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$40,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$100,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$140,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$140,100

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
17
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
69
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
90
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
35
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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
CountyLehigh
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.Garage, Basement

Transaction History(3)

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
Salisbury Elementary SchoolB-
Elementary · Grades KG–4 · 0.9 mi
H
Salisbury High SchoolC+
High · Grades 9–12 · 1.6 mi
M
Salisbury Middle SchoolC
Middle · Grades 5–8 · 5.2 mi

District: Salisbury Township 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%

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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

1815 Alder Ln 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.

  • Costs more per square foot than 93% of homes in Lehigh County
  • Smaller than 89% of homes in Lehigh County
  • Has a bigger lot than 73% of homes in Bethlehem 18015
  • Newer than 73% of homes in Bethlehem 18015

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
$130K$1.5M

This home is worth more than 60% 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$309,290
CheaperTypical $276,603Pricier

Pricier than 60% of homes nearby

Price per ft²$283
CheaperTypical $183Pricier

Pricier than 92% of homes nearby

Living area1,092 ft²
SmallerTypical 1,588 ft²Bigger

Bigger than 13% of homes nearby

Lot size0.35 ac
SmallerTypical 0.12 acBigger

Bigger than 73% of homes nearby

Year built1965
OlderTypical 1920Newer

Newer than 73% of homes nearby

How 1815 Alder Ln ranks against every home in each area.
MeasureThis homeBethlehem 18015Lehigh County
Estimated valuepricier than$309,29060% of homes41% of homes
Price per ft²pricier than$28392% of homes93% of homes
Living areabigger than1,092 ft²13% of homes11% of homes
Lot sizebigger than0.35 ac73% of homes68% of homes
Year builtnewer than196573% of homes49% of homes

About 1815 Alder Ln

How much is 1815 Alder Ln, Bethlehem, PA worth?

The TopHap Estimate for 1815 Alder Ln, Bethlehem, PA is $309,290 as of Sep 24, 2026. The likely range is $274,759 to $343,821. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1815 Alder Ln, Bethlehem, PA last sell?

1815 Alder Ln, Bethlehem, PA last sold on Nov 6, 2023 for $300,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 1815 Alder Ln, Bethlehem, PA?

1815 Alder Ln, Bethlehem, PA has 3 bedrooms, 1 bathrooms and 1,092 square feet of living space.

When was 1815 Alder Ln, Bethlehem, PA built?

1815 Alder Ln, Bethlehem, PA was built in 1965, making it 61 years old. The building has 1 story.

What schools serve 1815 Alder Ln, Bethlehem, PA?

1815 Alder Ln, Bethlehem, PA is assigned to Salisbury Elementary School (elementary), rated B-; Salisbury High School (high), rated C+; Salisbury Middle School (middle), rated C. All sit in Salisbury Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1815 Alder Ln, Bethlehem, PA compare to other homes in Bethlehem 18015?

Among the 8,645 homes in Bethlehem 18015, it is worth more than 60% of them ($309,290 against a typical $276,603), its price per square foot is higher than 92% of them ($283 against a typical $183), it is bigger than 13% of them (1,092 ft² against a typical 1,588 ft²), its lot is bigger than 73% of them (0.35 ac against a typical 0.12 ac) and it is newer than 73% of them (1965 against a typical 1920). Measured against all of Lehigh County, it is worth more than 41% 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 1815 Alder Ln, Bethlehem, PA?

The 2026 property tax bill for 1815 Alder Ln, Bethlehem, PA was $4,678. The county assessed it at $140,100.

More homes on Alder Ln

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