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CondominiumResidential
$240,000$254 / 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 89How 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 $240,000 on Oct 5, 2026

421 DERRY DR

ASTON, PA 19014
2
Beds
2
Baths
944 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.
945 ft²
Lot SizeThe size of the land the home sits on, from county records.
1992
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
5
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$240K
$213K low$267K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$240,000 · Oct 5, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,735 (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.$166,640 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$47,430
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$119,210
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$166,640
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$166,640

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyDELAWARE
Lot (acres)The size of the land the home sits on, from county records.0.22
ConstructionThe main material the home's frame and walls are built from.Stone
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(5)

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 · 1.1 mi
H
Sun Valley High SchoolC+
High · Grades 9–12 · 1.9 mi
M
Northley Middle SchoolC+
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

421 Derry 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 95% of homes in Aston 19014
  • Costs more per square foot than 72% of homes in Aston 19014
  • Smaller than 95% of homes in Delaware County
  • Among the smallest lots in Delaware County
  • Newer than 90% 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
$136K$728K

This home is worth more than 5% 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$240,000
CheaperTypical $376,616Pricier

Pricier than 5% of homes nearby

Price per ft²$254
CheaperTypical $222Pricier

Pricier than 72% of homes nearby

Living area944 ft²
SmallerTypical 1,672 ft²Bigger

Bigger than 7% of homes nearby

Lot size945 ft²
SmallerTypical 0.23 acBigger

Bigger than 3% of homes nearby

Year built1992
OlderTypical 1969Newer

Newer than 82% of homes nearby

How 421 Derry Dr ranks against every home in each area.
MeasureThis homeAston 19014Delaware County
Estimated valuepricier than$240,0005% of homes23% of homes
Price per ft²pricier than$25472% of homes58% of homes
Living areabigger than944 ft²7% of homes5% of homes
Lot sizebigger than945 ft²3% of homesalmost no homes
Year builtnewer than199282% of homes90% of homes

About 421 Derry Dr

How much is 421 Derry Dr, Aston, PA worth?

The TopHap Estimate for 421 Derry Dr, Aston, PA is $240,000 as of Sep 24, 2026. The likely range is $213,105 to $266,895. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Derry Dr, Aston, PA last sell?

421 Derry Dr, Aston, PA last sold on Oct 5, 2026 for $240,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 421 Derry Dr, Aston, PA?

421 Derry Dr, Aston, PA has 2 bedrooms, 2 bathrooms, 944 square feet of living space and a 0.22-acre lot.

When was 421 Derry Dr, Aston, PA built?

421 Derry Dr, Aston, PA was built in 1992, making it 34 years old. It is a condo/apartment home. The building has 1 story.

What schools serve 421 Derry Dr, Aston, PA?

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

How does 421 Derry Dr, Aston, PA compare to other homes in Aston 19014?

Among the 7,677 homes in Aston 19014, it is worth more than 5% of them ($240,000 against a typical $376,616), its price per square foot is higher than 72% of them ($254 against a typical $222), it is bigger than 7% of them (944 ft² against a typical 1,672 ft²), its lot is bigger than 3% of them (945 ft² against a typical 0.23 ac) and it is newer than 82% of them (1992 against a typical 1969). Measured against all of Delaware County, it is worth more than 23% 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 421 Derry Dr, Aston, PA?

The 2026 property tax bill for 421 Derry Dr, Aston, PA was $4,735. The county assessed it at $166,640.

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