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Single Family ResidenceResidential
$427,872$158 / 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 93How 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

231 E ROCK RD

ALLENTOWN, PA 18103
4
Beds
1
Baths
2,716 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.
3.61 ac
Lot SizeThe size of the land the home sits on, from county records.
1890
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$428K
$398K low$458K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,196 (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.$215,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$73,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$142,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$215,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$215,500

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.3.61
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
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Pool

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.

H
Salisbury High SchoolB-
High · Grades 9–12 · 1.3 mi
E
Salisbury Elementary SchoolB+
Elementary · Grades KG–4 · 1.8 mi
M
Salisbury Middle SchoolB-
Middle · Grades 5–8 · 3.1 mi

District: Salisbury Township 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

231 E Rock Rd 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 80% of homes in Allentown 18103
  • Costs less per square foot than 93% of homes in Allentown 18103
  • Bigger than 91% of homes in Allentown 18103
  • Among the largest lots in Allentown 18103
  • Older than 96% of 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
$174K$767K

This home is worth more than 80% 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$427,872
CheaperTypical $296,417Pricier

Pricier than 80% of homes nearby

Price per ft²$158
CheaperTypical $211Pricier

Pricier than 7% of homes nearby

Living area2,716 ft²
SmallerTypical 1,402 ft²Bigger

Bigger than 91% of homes nearby

Lot size3.61 ac
SmallerTypical 0.18 acBigger

Bigger than almost all homes nearby

Year built1890
OlderTypical 1960Newer

Newer than 4% of homes nearby

How 231 E Rock Rd ranks against every home in each area.
MeasureThis homeAllentown 18103Lehigh County
Estimated valuepricier than$427,87280% of homes68% of homes
Price per ft²pricier than$1587% of homes14% of homes
Living areabigger than2,716 ft²91% of homes88% of homes
Lot sizebigger than3.61 acalmost all homes96% of homes
Year builtnewer than18904% of homes9% of homes

About 231 E Rock Rd

How much is 231 E Rock Rd, Allentown, PA worth?

The TopHap Estimate for 231 E Rock Rd, Allentown, PA is $427,872 as of Jul 14, 2026. The likely range is $397,680 to $458,064. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 231 E Rock Rd, Allentown, PA last sell?

231 E Rock Rd, Allentown, PA last sold on Feb 27, 2003, according to the county's recorded deed.

How big is 231 E Rock Rd, Allentown, PA?

231 E Rock Rd, Allentown, PA has 4 bedrooms, 1 bathrooms, 2,716 square feet of living space and a 3.61-acre lot.

When was 231 E Rock Rd, Allentown, PA built?

231 E Rock Rd, Allentown, PA was built in 1890, making it 136 years old. It is a split level home. The building has 3 stories.

What schools serve 231 E Rock Rd, Allentown, PA?

231 E Rock Rd, Allentown, PA is assigned to Salisbury High School (high), rated B-; Salisbury Elementary School (elementary), rated B+; Salisbury Middle School (middle), rated B-. All sit in Salisbury Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 231 E Rock Rd, Allentown, PA compare to other homes in Allentown 18103?

Among the 14,352 homes in Allentown 18103, it is worth more than 80% of them ($427,872 against a typical $296,417), its price per square foot is higher than 7% of them ($158 against a typical $211), it is bigger than 91% of them (2,716 ft² against a typical 1,402 ft²), its lot is bigger than almost all of them (3.61 ac against a typical 0.18 ac) and it is newer than 4% of them (1890 against a typical 1960). Measured against all of Lehigh County, it is worth more than 68% 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 231 E Rock Rd, Allentown, PA?

The 2026 property tax bill for 231 E Rock Rd, Allentown, PA was $7,196. The county assessed it at $215,500.

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