Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$111,581$91 / 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 85How 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

3820 STATE ROUTE 257

SENECA, PA 16346
2
Beds
1
Baths
1,224 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.
0.64 ac
Lot SizeThe size of the land the home sits on, from county records.
1947
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$112K
$95K low$128K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,333 (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.$53,960 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$17,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$36,960
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$53,960
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$53,960

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyVenango
Lot (acres)The size of the land the home sits on, from county records.0.64
HeatingThe type of heating system in the home.Forced Air
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, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Cranberry Elementary SchoolC
Elementary · Grades KG–6 · 2.3 mi
M
Cranberry Area Junior / Senior High SchoolC-
Middle · Grades 7–12 · 2.4 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%

Owner Tools

Do you own this home?
Claim this home

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

3820 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.

  • Worth less than 90% of homes in Seneca 16346
  • Costs less per square foot than 87% of homes in Seneca 16346
  • Older than 76% 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
$75K$404K

This home is worth more than 10% 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$111,581
CheaperTypical $177,799Pricier

Pricier than 10% of homes nearby

Price per ft²$91
CheaperTypical $124Pricier

Pricier than 13% of homes nearby

Living area1,224 ft²
SmallerTypical 1,350 ft²Bigger

Bigger than 40% of homes nearby

Lot size0.64 ac
SmallerTypical 0.8 acBigger

Bigger than 45% of homes nearby

Year built1947
OlderTypical 1970Newer

Newer than 24% of homes nearby

How 3820 State Route 257 ranks against every home in each area.
MeasureThis homeSeneca 16346Venango County
Estimated valuepricier than$111,58110% of homes35% of homes
Price per ft²pricier than$9113% of homes40% of homes
Living areabigger than1,224 ft²40% of homes44% of homes
Lot sizebigger than0.64 ac45% of homes49% of homes
Year builtnewer than194724% of homes43% of homes

About 3820 State Route 257

How much is 3820 State Route 257, Seneca, PA worth?

The TopHap Estimate for 3820 State Route 257, Seneca, PA is $111,581 as of Sep 24, 2026. The likely range is $94,923 to $128,239. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3820 State Route 257, Seneca, PA?

3820 State Route 257, Seneca, PA has 2 bedrooms, 1 bathrooms, 1,224 square feet of living space and a 0.64-acre lot.

When was 3820 State Route 257, Seneca, PA built?

3820 State Route 257, Seneca, PA was built in 1947, making it 79 years old. The building has 1 story.

What schools serve 3820 State Route 257, Seneca, PA?

3820 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 3820 State Route 257, Seneca, PA compare to other homes in Seneca 16346?

Among the 1,345 homes in Seneca 16346, it is worth more than 10% of them ($111,581 against a typical $177,799), its price per square foot is higher than 13% of them ($91 against a typical $124), it is bigger than 40% of them (1,224 ft² against a typical 1,350 ft²), its lot is bigger than 45% of them (0.64 ac against a typical 0.8 ac) and it is newer than 24% of them (1947 against a typical 1970). Measured against all of Venango County, it is worth more than 35% 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 3820 State Route 257, Seneca, PA?

The 2025 property tax bill for 3820 State Route 257, Seneca, PA was $1,333. The county assessed it at $53,960.

More homes on State Route 257

Closest homes

More homes in Seneca 16346

Assigned schools

Explore the area

See this home in context

Open 3820 State Route 257 on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map