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Single Family ResidenceResidential
$197,596$129 / 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 Sep 24, 2026
Last sold for $52,000 on Nov 1, 1987

856 CONSTITUTION DR # 858

ALLENTOWN, PA 18103
2
Beds
1
Baths
1,532 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1864
Year BuiltThe year the home was originally built, according to county records.
3
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.

Valuation

$198K
$192K low$203K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$52,000 · Nov 1, 1987

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,995 (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.$84,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$19,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$65,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$84,300
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$84,300

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.Split Level
CountyLehigh
Lot (acres)The size of the land the home sits on, from county records.0.13
ConstructionThe main material the home's frame and walls are built from.Masonry/Concrete Masonry Units (Cmus)
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.No Garage

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Roosevelt Elementary SchoolC-
Elementary · Grades PK–5 · 0.5 mi
M
South Mountain Middle SchoolD-
Middle · Grades 6–8 · 1.4 mi
H
Louis E. Dieruff High SchoolD-
High · Grades 9–12 · 1.9 mi

District: Allentown School District

Neighborhood · ZIP 18103These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.3%
PopulationHow many people live in this area.48,496
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,771 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$74,179
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$90,226
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

856 Constitution Dr # 858 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 95% of homes in Allentown 18103
  • Costs less per square foot than 98% of homes in Allentown 18103
  • Has a smaller lot than 66% of homes in Allentown 18103
  • Among the oldest homes in Allentown 18103

What homes are worth in Allentown 18103

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

This home
$170K$765K

This home is worth more than 5% of homes in Allentown 18103.

How it measures up in Allentown 18103

The dot is this home. The mark in the middle is the typical home in Allentown 18103.

Estimated value$197,596
CheaperTypical $298,208Pricier

Pricier than 5% of homes nearby

Price per ft²$129
CheaperTypical $214Pricier

Pricier than 2% of homes nearby

Living area1,532 ft²
SmallerTypical 1,402 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.13 ac
SmallerTypical 0.18 acBigger

Bigger than 34% of homes nearby

Year built1864
OlderTypical 1960Newer

Older than almost all homes nearby

How 856 Constitution Dr # 858 ranks against every home in each area.
MeasureThis homeAllentown 18103Lehigh County
Estimated valuepricier than$197,5965% of homes7% of homes
Price per ft²pricier than$1292% of homes5% of homes
Living areabigger than1,532 ft²57% of homes40% of homes
Lot sizebigger than0.13 ac34% of homes34% of homes
Year builtnewer than1864almost no homes2% of homes

About 856 Constitution Dr # 858

How much is 856 Constitution Dr # 858, Allentown, PA worth?

The TopHap Estimate for 856 Constitution Dr # 858, Allentown, PA is $197,596 as of Sep 24, 2026. The likely range is $191,811 to $203,381. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 856 Constitution Dr # 858, Allentown, PA last sell?

856 Constitution Dr # 858, Allentown, PA last sold on Nov 1, 1987 for $52,000, according to the county's recorded deed.

How big is 856 Constitution Dr # 858, Allentown, PA?

856 Constitution Dr # 858, Allentown, PA has 2 bedrooms, 1 bathrooms, 1,532 square feet of living space and a 0.13-acre lot.

When was 856 Constitution Dr # 858, Allentown, PA built?

856 Constitution Dr # 858, Allentown, PA was built in 1864, making it 162 years old. It is a split level home. The building has 3 stories.

What schools serve 856 Constitution Dr # 858, Allentown, PA?

856 Constitution Dr # 858, Allentown, PA is assigned to Roosevelt Elementary School (elementary), rated C-; South Mountain Middle School (middle), rated D-; Louis E. Dieruff High School (high), rated D-. All sit in Allentown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 856 Constitution Dr # 858, Allentown, PA compare to other homes in Allentown 18103?

Among the 14,352 homes in Allentown 18103, it is worth more than 5% of them ($197,596 against a typical $298,208), its price per square foot is higher than 2% of them ($129 against a typical $214), it is bigger than 57% of them (1,532 ft² against a typical 1,402 ft²), its lot is bigger than 34% of them (0.13 ac against a typical 0.18 ac) and it is newer than almost none of them (1864 against a typical 1960). Measured against all of Lehigh County, it is worth more than 7% 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 856 Constitution Dr # 858, Allentown, PA?

The 2026 property tax bill for 856 Constitution Dr # 858, Allentown, PA was $2,995. The county assessed it at $84,300.

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