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Single Family ResidenceResidential
$278,523$619 / 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 73How 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 $275,000 on Oct 24, 2025

135 BOOK RD

SLIPPERY ROCK, PA 16057
2
Beds
1
Baths
450 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.
7.91 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$279K
$203K low$354K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$275,000 · Oct 24, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$356 (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.$11,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$1,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$9,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$11,000

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.38
1
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.
66
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
83
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.7.91
HeatingThe type of heating system in the home.Gravity
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.

H
Slippery Rock Area High SchoolB+
High · Grades 9–12 · 7.0 mi
M
Slippery Rock Area Middle SchoolA-
Middle · Grades 6–8 · 7.1 mi
E
Moraine Elementary SchoolA-
Elementary · Grades KG–5 · 8.6 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%

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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

135 Book Rd 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.

  • Among the highest price per square foot in Slippery Rock 16057
  • Among the smallest homes in Butler County
  • Has a bigger lot than 93% of homes in Butler County
  • Older than 85% of homes in Butler County

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
$80K$769K

This home is worth more than 58% 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$278,523
CheaperTypical $255,771Pricier

Pricier than 58% of homes nearby

Price per ft²$619
CheaperTypical $179Pricier

Pricier than almost all homes nearby

Living area450 ft²
SmallerTypical 1,458 ft²Bigger

Smaller than almost all homes nearby

Lot size7.91 ac
SmallerTypical 1.28 acBigger

Bigger than 84% of homes nearby

Year built1900
OlderTypical 1970Newer

Newer than 21% of homes nearby

How 135 Book Rd ranks against every home in each area.
MeasureThis homeSlippery Rock 16057Butler County
Estimated valuepricier than$278,52358% of homes41% of homes
Price per ft²pricier than$619almost all homesalmost all homes
Living areabigger than450 ft²almost no homesalmost no homes
Lot sizebigger than7.91 ac84% of homes93% of homes
Year builtnewer than190021% of homes15% of homes

About 135 Book Rd

How much is 135 Book Rd, Slippery Rock, PA worth?

The TopHap Estimate for 135 Book Rd, Slippery Rock, PA is $278,523 as of Sep 24, 2026. The likely range is $202,605 to $354,441. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 135 Book Rd, Slippery Rock, PA last sell?

135 Book Rd, Slippery Rock, PA last sold on Oct 24, 2025 for $275,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 135 Book Rd, Slippery Rock, PA?

135 Book Rd, Slippery Rock, PA has 2 bedrooms, 1 bathrooms, 450 square feet of living space and a 7.91-acre lot.

When was 135 Book Rd, Slippery Rock, PA built?

135 Book Rd, Slippery Rock, PA was built in 1900, making it 126 years old. It is a conventional home.

What schools serve 135 Book Rd, Slippery Rock, PA?

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

How does 135 Book Rd, Slippery Rock, PA compare to other homes in Slippery Rock 16057?

Among the 4,007 homes in Slippery Rock 16057, it is worth more than 58% of them ($278,523 against a typical $255,771), its price per square foot is higher than almost all of them ($619 against a typical $179), it is bigger than almost none of them (450 ft² against a typical 1,458 ft²), its lot is bigger than 84% of them (7.91 ac against a typical 1.28 ac) and it is newer than 21% of them (1900 against a typical 1970). Measured against all of Butler County, it is worth more than 41% 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 135 Book Rd, Slippery Rock, PA?

The 2026 property tax bill for 135 Book Rd, Slippery Rock, PA was $356. The county assessed it at $11,000.

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