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Single Family ResidenceResidential
$445,389$238 / 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 95How 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 $270,000 on Aug 17, 2020

321 CONSTITUTION AVE

HELLERTOWN, PA 18055
4
Beds
2
Baths
1,869 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.
0.18 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$445K
$421K low$470K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$270,000 · Aug 17, 2020

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$638 (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.$59,100 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$23,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$35,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$59,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$118,200

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.Cape Cod
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.2020
Lot (acres)The size of the land the home sits on, from county records.0.18
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.None
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

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.

E
Saucon Valley Elementary SchoolA-
Elementary · Grades KG–4 · 0.3 mi
H
Saucon Valley High SchoolA
High · Grades 9–12 · 0.3 mi
M
Saucon Valley Middle SchoolB+
Middle · Grades 5–8 · 0.3 mi

District: Saucon Valley School District

Neighborhood · ZIP 18055These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.12,074
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.553 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,579
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,478
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.49 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

321 Constitution Ave 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 68% of homes in Northampton County
  • Costs more per square foot than 66% of homes in Northampton County
  • Older than 65% of homes in Northampton County

What homes are worth in Hellertown 18055

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

This home
$209K$1.2M

This home is worth more than 66% of homes in Hellertown 18055.

How it measures up in Hellertown 18055

The dot is this home. The mark in the middle is the typical home in Hellertown 18055.

Estimated value$445,389
CheaperTypical $364,995Pricier

Pricier than 66% of homes nearby

Price per ft²$238
CheaperTypical $241Pricier

Pricier than 48% of homes nearby

Living area1,869 ft²
SmallerTypical 1,586 ft²Bigger

Bigger than 62% of homes nearby

Lot size0.18 ac
SmallerTypical 0.27 acBigger

Bigger than 39% of homes nearby

Year built1948
OlderTypical 1954Newer

Newer than 41% of homes nearby

How 321 Constitution Ave ranks against every home in each area.
MeasureThis homeHellertown 18055Northampton County
Estimated valuepricier than$445,38966% of homes68% of homes
Price per ft²pricier than$23848% of homes66% of homes
Living areabigger than1,869 ft²62% of homes59% of homes
Lot sizebigger than0.18 ac39% of homes37% of homes
Year builtnewer than194841% of homes35% of homes

About 321 Constitution Ave

How much is 321 Constitution Ave, Hellertown, PA worth?

The TopHap Estimate for 321 Constitution Ave, Hellertown, PA is $445,389 as of Sep 24, 2026. The likely range is $421,248 to $469,530. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 321 Constitution Ave, Hellertown, PA last sell?

321 Constitution Ave, Hellertown, PA last sold on Aug 17, 2020 for $270,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 321 Constitution Ave, Hellertown, PA?

321 Constitution Ave, Hellertown, PA has 4 bedrooms, 2 bathrooms, 1,869 square feet of living space and a 0.18-acre lot.

When was 321 Constitution Ave, Hellertown, PA built?

321 Constitution Ave, Hellertown, PA was built in 1948, making it 78 years old. It is a cape cod home. The building has 1 story.

What schools serve 321 Constitution Ave, Hellertown, PA?

321 Constitution Ave, Hellertown, PA is assigned to Saucon Valley Elementary School (elementary), rated A-; Saucon Valley High School (high), rated A; Saucon Valley Middle School (middle), rated B+. All sit in Saucon Valley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 321 Constitution Ave, Hellertown, PA compare to other homes in Hellertown 18055?

Among the 4,119 homes in Hellertown 18055, it is worth more than 66% of them ($445,389 against a typical $364,995), its price per square foot is higher than 48% of them ($238 against a typical $241), it is bigger than 62% of them (1,869 ft² against a typical 1,586 ft²), its lot is bigger than 39% of them (0.18 ac against a typical 0.27 ac) and it is newer than 41% of them (1948 against a typical 1954). Measured against all of Northampton 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 321 Constitution Ave, Hellertown, PA?

The 2026 property tax bill for 321 Constitution Ave, Hellertown, PA was $638. The county assessed it at $59,100.

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