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Single Family ResidenceResidential
$209,859$170 / 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 93How 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

129 SANDERSON DR

SLIPPERY ROCK, PA 16057
1
Baths
1,232 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.
0.75 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
Year BuiltThe year the home was originally built, according to county records.

Valuation

$210K
$195K low$225K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$158,859
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$127,087
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.28%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$51,000
SRU FCU · R · recorded Oct 20, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$505 (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.$16,090 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,510
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$14,580
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$16,090

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.56
94
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
8
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
65
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
81
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.134 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.1 percent flood zone

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.Ranch
CountyBUTLER
Lot (acres)The size of the land the home sits on, from county records.0.74
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.

H
Slippery Rock Area High SchoolB+
High · Grades 9–12 · 2.4 mi
M
Slippery Rock Area Middle SchoolB
Middle · Grades 6–8 · 2.5 mi
E
Slippery Rock Area Elementary SchoolB+
Elementary · Grades KG–5 · 3.8 mi

District: Slippery Rock Area School District

Neighborhood · ZIP 16057These 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.139
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.24

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.84%
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.0.8%
PopulationHow many people live in this area.15,539
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.175 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$58,602
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$80,398
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

129 Sanderson Dr 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 76% of homes in Butler County
  • Costs less per square foot than 68% of homes in Butler County
  • Smaller than 74% of homes in Butler County
  • Has a smaller lot than 67% of homes in Slippery Rock 16057

What homes are worth in Slippery Rock 16057

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

This home
$78K$662K

This home is worth more than 37% of homes in Slippery Rock 16057.

How it measures up in Slippery Rock 16057

The dot is this home. The mark in the middle is the typical home in Slippery Rock 16057.

Estimated value$209,859
CheaperTypical $243,130Pricier

Pricier than 37% of homes nearby

Price per ft²$170
CheaperTypical $173Pricier

Pricier than 48% of homes nearby

Living area1,232 ft²
SmallerTypical 1,460 ft²Bigger

Bigger than 34% of homes nearby

Lot size0.75 ac
SmallerTypical 1.27 acBigger

Bigger than 33% of homes nearby

Year built1980
OlderTypical 1970Newer

Newer than 59% of homes nearby

How 129 Sanderson Dr ranks against every home in each area.
MeasureThis homeSlippery Rock 16057Butler County
Estimated valuepricier than$209,85937% of homes24% of homes
Price per ft²pricier than$17048% of homes32% of homes
Living areabigger than1,232 ft²34% of homes26% of homes
Lot sizebigger than0.75 ac33% of homes58% of homes
Year builtnewer than198059% of homes49% of homes

About 129 Sanderson Dr

How much is 129 Sanderson Dr, Slippery Rock, PA worth?

The TopHap Estimate for 129 Sanderson Dr, Slippery Rock, PA is $209,859 as of Jul 14, 2026. The likely range is $194,596 to $225,122. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 129 Sanderson Dr, Slippery Rock, PA last sell?

129 Sanderson Dr, Slippery Rock, PA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 129 Sanderson Dr, Slippery Rock, PA?

129 Sanderson Dr, Slippery Rock, PA has 1 bathrooms, 1,232 square feet of living space and a 0.74-acre lot.

When was 129 Sanderson Dr, Slippery Rock, PA built?

129 Sanderson Dr, Slippery Rock, PA was built in 1980, making it 46 years old. It is a ranch home.

What schools serve 129 Sanderson Dr, Slippery Rock, PA?

129 Sanderson Dr, Slippery Rock, PA is assigned to Slippery Rock Area High School (high), rated B+; Slippery Rock Area Middle School (middle), rated B; Slippery Rock Area Elementary School (elementary), rated B+. All sit in Slippery Rock Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 129 Sanderson Dr, Slippery Rock, PA compare to other homes in Slippery Rock 16057?

Among the 4,008 homes in Slippery Rock 16057, it is worth more than 37% of them ($209,859 against a typical $243,130), its price per square foot is higher than 48% of them ($170 against a typical $173), it is bigger than 34% of them (1,232 ft² against a typical 1,460 ft²), its lot is bigger than 33% of them (0.75 ac against a typical 1.27 ac) and it is newer than 59% of them (1980 against a typical 1970). Measured against all of Butler County, it is worth more than 24% 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 129 Sanderson Dr, Slippery Rock, PA?

The 2026 property tax bill for 129 Sanderson Dr, Slippery Rock, PA was $505. The county assessed it at $16,090.

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Assigned schools

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