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Single Family ResidenceResidential
$397,022$248 / 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 97How 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 $266,900 on Jun 1, 2006

121 KNOLLWOOD CT

ASTON, PA 19014
3
Beds
2.5
Baths
1,598 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1990
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
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

$397K
$384K low$410K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$266,900 · Jun 1, 2006

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,833 (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.$240,460 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$96,740
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$143,720
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$240,460
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$240,460

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.Townhouse
CountyDELAWARE
Lot (acres)The size of the land the home sits on, from county records.0.22
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No

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
Aston Elementary SchoolB-
Elementary · Grades KG–5 · 0.9 mi
H
Sun Valley High SchoolB+
High · Grades 9–12 · 1.9 mi
M
Northley Middle SchoolB+
Middle · Grades 6–8 · 2.0 mi

District: Penn-Delco School District

Neighborhood · ZIP 19014These 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.78
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.103
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.80

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.2%
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.21,566
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,264 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,487
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$124,960
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.56%

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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 Knollwood Ct 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.

  • Costs more per square foot than 69% of homes in Aston 19014
  • Has a bigger lot than 67% of homes in Delaware County
  • Newer than 89% of homes in Delaware County

What homes are worth in Aston 19014

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

This home
$144K$732K

This home is worth more than 57% of homes in Aston 19014.

How it measures up in Aston 19014

The dot is this home. The mark in the middle is the typical home in Aston 19014.

Estimated value$397,022
CheaperTypical $376,861Pricier

Pricier than 57% of homes nearby

Price per ft²$248
CheaperTypical $221Pricier

Pricier than 69% of homes nearby

Living area1,598 ft²
SmallerTypical 1,664 ft²Bigger

Bigger than 45% of homes nearby

Lot size0.22 ac
SmallerTypical 0.23 acBigger

Bigger than 47% of homes nearby

Year built1990
OlderTypical 1970Newer

Newer than 77% of homes nearby

How 121 Knollwood Ct ranks against every home in each area.
MeasureThis homeAston 19014Delaware County
Estimated valuepricier than$397,02257% of homes45% of homes
Price per ft²pricier than$24869% of homes55% of homes
Living areabigger than1,598 ft²45% of homes50% of homes
Lot sizebigger than0.22 ac47% of homes67% of homes
Year builtnewer than199077% of homes89% of homes

About 121 Knollwood Ct

How much is 121 Knollwood Ct, Aston, PA worth?

The TopHap Estimate for 121 Knollwood Ct, Aston, PA is $397,022 as of Sep 24, 2026. The likely range is $383,594 to $410,450. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 121 Knollwood Ct, Aston, PA last sell?

121 Knollwood Ct, Aston, PA last sold on Jun 1, 2006 for $266,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 121 Knollwood Ct, Aston, PA?

121 Knollwood Ct, Aston, PA has 3 bedrooms, 2.5 bathrooms, 1,598 square feet of living space and a 0.22-acre lot.

When was 121 Knollwood Ct, Aston, PA built?

121 Knollwood Ct, Aston, PA was built in 1990, making it 36 years old. It is a townhouse home. The building has 2 stories.

What schools serve 121 Knollwood Ct, Aston, PA?

121 Knollwood Ct, Aston, PA is assigned to Aston Elementary School (elementary), rated B-; Sun Valley High School (high), rated B+; Northley Middle School (middle), rated B+. All sit in Penn-Delco School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 121 Knollwood Ct, Aston, PA compare to other homes in Aston 19014?

Among the 7,677 homes in Aston 19014, it is worth more than 57% of them ($397,022 against a typical $376,861), its price per square foot is higher than 69% of them ($248 against a typical $221), it is bigger than 45% of them (1,598 ft² against a typical 1,664 ft²), its lot is bigger than 47% of them (0.22 ac against a typical 0.23 ac) and it is newer than 77% of them (1990 against a typical 1970). Measured against all of Delaware County, it is worth more than 45% 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 Knollwood Ct, Aston, PA?

The 2026 property tax bill for 121 Knollwood Ct, Aston, PA was $6,833. The county assessed it at $240,460.

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