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Single Family ResidenceResidential
$174,089$145 / 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 87How 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
Last sold for $81,000 on Aug 20, 2010

3921 STATE ROUTE 257

SENECA, PA 16346
2
Beds
2 / 1
Baths
1,200 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.
1.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1920
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$174K
$151K low$197K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$81,000 · Aug 20, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,990 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$80,570 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$13,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$66,760
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$80,570
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$80,570

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyVenango
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.1970
Lot (acres)The size of the land the home sits on, from county records.1.26
HeatingThe type of heating system in the home.Forced Air
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Cranberry Elementary SchoolC+
Elementary · Grades KG–6 · 2.5 mi
M
Cranberry Area Junior / Senior High SchoolC
Middle · Grades 7–12 · 2.5 mi

District: Cranberry Area School District

Neighborhood · ZIP 16346These 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.109
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 100.25

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.92%
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.15%
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.2,141
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.133 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,126
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$64,830
Average tempThe average temperature here across a full year.47°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.45%

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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

3921 State Route 257 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 77% of homes in Venango County
  • Older than 85% of homes in Seneca 16346

What homes are worth in Seneca 16346

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

This home
$78K$456K

This home is worth more than 40% of homes in Seneca 16346.

How it measures up in Seneca 16346

The dot is this home. The mark in the middle is the typical home in Seneca 16346.

Estimated value$174,089
CheaperTypical $190,090Pricier

Pricier than 40% of homes nearby

Price per ft²$145
CheaperTypical $137Pricier

Pricier than 59% of homes nearby

Living area1,200 ft²
SmallerTypical 1,352 ft²Bigger

Bigger than 39% of homes nearby

Lot size1.26 ac
SmallerTypical 0.82 acBigger

Bigger than 61% of homes nearby

Year built1920
OlderTypical 1970Newer

Newer than 15% of homes nearby

How 3921 State Route 257 ranks against every home in each area.
MeasureThis homeSeneca 16346Venango County
Estimated valuepricier than$174,08940% of homes63% of homes
Price per ft²pricier than$14559% of homes77% of homes
Living areabigger than1,200 ft²39% of homes42% of homes
Lot sizebigger than1.26 ac61% of homes61% of homes
Year builtnewer than192015% of homes33% of homes

About 3921 State Route 257

How much is 3921 State Route 257, Seneca, PA worth?

The TopHap Estimate for 3921 State Route 257, Seneca, PA is $174,089 as of Jul 14, 2026. The likely range is $150,759 to $197,419. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3921 State Route 257, Seneca, PA last sell?

3921 State Route 257, Seneca, PA last sold on Aug 20, 2010 for $81,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3921 State Route 257, Seneca, PA?

3921 State Route 257, Seneca, PA has 2 bedrooms, 2 bathrooms, 1,200 square feet of living space and a 1.26-acre lot.

When was 3921 State Route 257, Seneca, PA built?

3921 State Route 257, Seneca, PA was built in 1920, making it 106 years old. The building has 1 story.

What schools serve 3921 State Route 257, Seneca, PA?

3921 State Route 257, Seneca, PA is assigned to Cranberry Elementary School (elementary), rated C+; Cranberry Area Junior / Senior High School (middle), rated C. All sit in Cranberry Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3921 State Route 257, Seneca, PA compare to other homes in Seneca 16346?

Among the 1,341 homes in Seneca 16346, it is worth more than 40% of them ($174,089 against a typical $190,090), its price per square foot is higher than 59% of them ($145 against a typical $137), it is bigger than 39% of them (1,200 ft² against a typical 1,352 ft²), its lot is bigger than 61% of them (1.26 ac against a typical 0.82 ac) and it is newer than 15% of them (1920 against a typical 1970). Measured against all of Venango County, it is worth more than 63% 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 3921 State Route 257, Seneca, PA?

The 2025 property tax bill for 3921 State Route 257, Seneca, PA was $1,990. The county assessed it at $80,570.

More homes on State Route 257

Closest homes

More homes in Seneca 16346

Assigned schools

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