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Single Family ResidenceResidential
$396,121$322 / 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 96How 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 $147,500 on Nov 25, 2002

309 CONSTITUTION AVE

HELLERTOWN, PA 18055
3
Beds
2 / 1
Baths
1,229 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.
0.14 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.
6
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

$396K
$382K low$411K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$147,500 · Nov 25, 2002

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$570 (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.$52,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$20,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$32,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$52,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$105,600

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
Lot (acres)The size of the land the home sits on, from county records.0.14
HeatingThe type of heating system in the home.Forced Air
CoolingThe type of cooling or air conditioning in the home.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Detached

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

309 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.

  • Costs more per square foot than 96% of homes in Northampton County
  • Smaller than 81% of homes in Northampton County
  • Has a smaller lot than 81% of homes in Hellertown 18055
  • 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
$206K$1.1M

This home is worth more than 58% 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$396,121
CheaperTypical $364,818Pricier

Pricier than 58% of homes nearby

Price per ft²$322
CheaperTypical $241Pricier

Pricier than 92% of homes nearby

Living area1,229 ft²
SmallerTypical 1,590 ft²Bigger

Bigger than 25% of homes nearby

Lot size0.14 ac
SmallerTypical 0.27 acBigger

Bigger than 19% of homes nearby

Year built1948
OlderTypical 1954Newer

Newer than 41% of homes nearby

How 309 Constitution Ave ranks against every home in each area.
MeasureThis homeHellertown 18055Northampton County
Estimated valuepricier than$396,12158% of homes59% of homes
Price per ft²pricier than$32292% of homes96% of homes
Living areabigger than1,229 ft²25% of homes19% of homes
Lot sizebigger than0.14 ac19% of homes27% of homes
Year builtnewer than194841% of homes35% of homes

About 309 Constitution Ave

How much is 309 Constitution Ave, Hellertown, PA worth?

The TopHap Estimate for 309 Constitution Ave, Hellertown, PA is $396,121 as of Sep 24, 2026. The likely range is $381,655 to $410,587. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 309 Constitution Ave, Hellertown, PA last sell?

309 Constitution Ave, Hellertown, PA last sold on Nov 25, 2002 for $147,500, according to the county's recorded deed.

How big is 309 Constitution Ave, Hellertown, PA?

309 Constitution Ave, Hellertown, PA has 3 bedrooms, 2 bathrooms, 1,229 square feet of living space and a 0.14-acre lot.

When was 309 Constitution Ave, Hellertown, PA built?

309 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 309 Constitution Ave, Hellertown, PA?

309 Constitution Ave, Hellertown, PA is assigned to Saucon Valley Elementary School (elementary), rated A-; Saucon Valley Middle School (middle), rated B+; 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 309 Constitution Ave, Hellertown, PA compare to other homes in Hellertown 18055?

Among the 4,119 homes in Hellertown 18055, it is worth more than 58% of them ($396,121 against a typical $364,818), its price per square foot is higher than 92% of them ($322 against a typical $241), it is bigger than 25% of them (1,229 ft² against a typical 1,590 ft²), its lot is bigger than 19% of them (0.14 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 59% 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 309 Constitution Ave, Hellertown, PA?

The 2026 property tax bill for 309 Constitution Ave, Hellertown, PA was $570. The county assessed it at $52,800.

More homes on Constitution Ave

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Assigned schools

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