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Single Family ResidenceResidential
$527,984$51 / 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 49How 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
Last sold for $720,000 on Jul 27, 2026

450 KNOLLWOOD CIR

FREEDOM, PA 15042
3
Beds
3.5
Baths
10,269 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.
11.44 ac
Lot SizeThe size of the land the home sits on, from county records.
1986
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
8
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$528K
$260K low$796K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$720,000 · Jul 27, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$15,433 (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.$425,650 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$47,800
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$377,850
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$425,650
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$851,300

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.48
45
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
72
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
84
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
31
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.10 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Mansion
CountyBEAVER
ConstructionThe main material the home's frame and walls are built from.Brick
RoofThe main material covering the roof, such as asphalt shingle or tile.Slate
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 983 ft²

Transaction History(3)

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
Economy Elementary SchoolC
Elementary · Grades PK–5 · 0.6 mi
M
Ambridge Area Middle SchoolD+
Middle · Grades 6–8 · 0.6 mi
H
Ambridge Area High SchoolD+
High · Grades 9–12 · 5.2 mi

District: Ambridge Area School District

Neighborhood · ZIP 15042These 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.81
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.7,663
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.457 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$73,718
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$101,843
Average tempThe average temperature here across a full year.51°F
Annual precipHow much rain and melted snow falls here in a typical year.38 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

450 Knollwood Cir 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 more than 97% of homes in Freedom 15042
  • Costs less per square foot than 96% of homes in Freedom 15042
  • Among the largest homes in Freedom 15042
  • Has a bigger lot than 96% of homes in Beaver County
  • Newer than 82% of homes in Beaver County

What homes are worth in Freedom 15042

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

This home
$51K$599K

This home is worth more than 97% of homes in Freedom 15042.

How it measures up in Freedom 15042

The dot is this home. The mark in the middle is the typical home in Freedom 15042.

Estimated value$527,984
CheaperTypical $274,897Pricier

Pricier than 97% of homes nearby

Price per ft²$51
CheaperTypical $191Pricier

Pricier than 4% of homes nearby

Living area10,269 ft²
SmallerTypical 1,457 ft²Bigger

Bigger than almost all homes nearby

Lot size11.44 ac
SmallerTypical 0.5 acBigger

Bigger than 95% of homes nearby

Year built1986
OlderTypical 1974Newer

Newer than 71% of homes nearby

How 450 Knollwood Cir ranks against every home in each area.
MeasureThis homeFreedom 15042Beaver County
Estimated valuepricier than$527,98497% of homes97% of homes
Price per ft²pricier than$514% of homes6% of homes
Living areabigger than10,269 ft²almost all homesalmost all homes
Lot sizebigger than11.44 ac95% of homes96% of homes
Year builtnewer than198671% of homes82% of homes

About 450 Knollwood Cir

How much is 450 Knollwood Cir, Freedom, PA worth?

The TopHap Estimate for 450 Knollwood Cir, Freedom, PA is $527,984 as of Aug 30, 2026. The likely range is $260,170 to $795,798. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 450 Knollwood Cir, Freedom, PA last sell?

450 Knollwood Cir, Freedom, PA last sold on Jul 27, 2026 for $720,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 450 Knollwood Cir, Freedom, PA?

450 Knollwood Cir, Freedom, PA has 3 bedrooms, 3.5 bathrooms and 10,269 square feet of living space.

When was 450 Knollwood Cir, Freedom, PA built?

450 Knollwood Cir, Freedom, PA was built in 1986, making it 40 years old. It is a mansion home. The building has 2 stories.

What schools serve 450 Knollwood Cir, Freedom, PA?

450 Knollwood Cir, Freedom, PA is assigned to Economy Elementary School (elementary), rated C; Ambridge Area Middle School (middle), rated D+; Ambridge Area High School (high), rated D+. All sit in Ambridge Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 450 Knollwood Cir, Freedom, PA compare to other homes in Freedom 15042?

Among the 3,348 homes in Freedom 15042, it is worth more than 97% of them ($527,984 against a typical $274,897), its price per square foot is higher than 4% of them ($51 against a typical $191), it is bigger than almost all of them (10,269 ft² against a typical 1,457 ft²), its lot is bigger than 95% of them (11.44 ac against a typical 0.5 ac) and it is newer than 71% of them (1986 against a typical 1974). Measured against all of Beaver County, it is worth more than 97% 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 450 Knollwood Cir, Freedom, PA?

The 2026 property tax bill for 450 Knollwood Cir, Freedom, PA was $15,433. The county assessed it at $425,650.

More homes on Knollwood Cir

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