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Single Family ResidenceResidential
$78,076$102 / 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 79How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

121 SPRING ST

PETROLIA, PA 16050
2
Beds
1
Baths
768 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$78K
$61K low$95K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$285 (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.$6,210 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$630
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$5,580
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$6,210

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
6
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
67
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
87
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
36
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.Conventional
CountyBUTLER
Lot (acres)The size of the land the home sits on, from county records.0.13
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

M
Karns City High SchoolC+
Middle · Grades 7–12 · 2.0 mi
E
Chicora Elementary SchoolB-
Elementary · Grades KG–6 · 4.7 mi

District: Karns City Area School District

Neighborhood · ZIP 16050These 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.149
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.27

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.89%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.9.9%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.1,424
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.57 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$68,894
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,006
Average tempThe average temperature here across a full year.48°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

121 Spring St 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 97% of homes in Butler County
  • Costs less per square foot than 91% of homes in Butler County
  • Smaller than 97% of homes in Butler County
  • Has a smaller lot than 95% of homes in Petrolia 16050
  • Older than 76% of homes in Butler County

What homes are worth in Petrolia 16050

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

This home
$43K$443K

This home is worth more than 17% of homes in Petrolia 16050.

How it measures up in Petrolia 16050

The dot is this home. The mark in the middle is the typical home in Petrolia 16050.

Estimated value$78,076
CheaperTypical $133,578Pricier

Pricier than 17% of homes nearby

Price per ft²$102
CheaperTypical $113Pricier

Pricier than 44% of homes nearby

Living area768 ft²
SmallerTypical 1,266 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.13 ac
SmallerTypical 1.16 acBigger

Bigger than 5% of homes nearby

Year built1940
OlderTypical 1948Newer

Newer than 46% of homes nearby

How 121 Spring St ranks against every home in each area.
MeasureThis homePetrolia 16050Butler County
Estimated valuepricier than$78,07617% of homes3% of homes
Price per ft²pricier than$10244% of homes9% of homes
Living areabigger than768 ft²10% of homes3% of homes
Lot sizebigger than0.13 ac5% of homes16% of homes
Year builtnewer than194046% of homes24% of homes

About 121 Spring St

How much is 121 Spring St, Petrolia, PA worth?

The TopHap Estimate for 121 Spring St, Petrolia, PA is $78,076 as of Aug 30, 2026. The likely range is $61,351 to $94,801. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Spring St, Petrolia, PA last sell?

121 Spring St, Petrolia, PA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 121 Spring St, Petrolia, PA?

121 Spring St, Petrolia, PA has 2 bedrooms, 1 bathrooms, 768 square feet of living space and a 0.13-acre lot.

When was 121 Spring St, Petrolia, PA built?

121 Spring St, Petrolia, PA was built in 1940, making it 86 years old. It is a conventional home.

What schools serve 121 Spring St, Petrolia, PA?

121 Spring St, Petrolia, PA is assigned to Karns City High School (middle), rated C+; Chicora Elementary School (elementary), rated B-. All sit in Karns City Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Spring St, Petrolia, PA compare to other homes in Petrolia 16050?

Among the 614 homes in Petrolia 16050, it is worth more than 17% of them ($78,076 against a typical $133,578), its price per square foot is higher than 44% of them ($102 against a typical $113), it is bigger than 10% of them (768 ft² against a typical 1,266 ft²), its lot is bigger than 5% of them (0.13 ac against a typical 1.16 ac) and it is newer than 46% of them (1940 against a typical 1948). Measured against all of Butler County, it is worth more than 3% 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 121 Spring St, Petrolia, PA?

The 2026 property tax bill for 121 Spring St, Petrolia, PA was $285. The county assessed it at $6,210.

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