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Duplex (2 Units, Any Combination)Residential
Last sold for $390,000 on May 1, 2025

12 DIAMOND ST

ASTON, PA 19014
3
Beds
2.5
Baths
1,728 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.
1,742 ft²
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.
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

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$390,000 · May 1, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,213 (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.$148,250 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$41,120
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$107,130
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$148,250
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$148,250

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Duplex (2 Units, Any Combination)
StyleThe architectural style of the home, such as ranch or colonial.Duplex Single
CountyDELAWARE
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2025
Lot (acres)The size of the land the home sits on, from county records.0.04
HeatingThe type of heating system in the home.Central
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

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.

E
Aston Elementary SchoolB-
Elementary · Grades KG–5 · 0.5 mi
H
Sun Valley High SchoolB+
High · Grades 9–12 · 2.1 mi
M
Northley Middle SchoolB+
Middle · Grades 6–8 · 2.3 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

12 Diamond St 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.

  • Has a smaller lot than 95% of homes in Aston 19014
  • Older than 98% 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.

Living area1,728 ft²
SmallerTypical 1,672 ft²Bigger

Bigger than 53% of homes nearby

Lot size1,742 ft²
SmallerTypical 0.23 acBigger

Bigger than 5% of homes nearby

Year built1900
OlderTypical 1969Newer

Newer than 2% of homes nearby

How 12 Diamond St ranks against every home in each area.
MeasureThis homeAston 19014Delaware County
Living areabigger than1,728 ft²53% of homes57% of homes
Lot sizebigger than1,742 ft²5% of homes11% of homes
Year builtnewer than19002% of homes3% of homes

About 12 Diamond St

When did 12 Diamond St, Aston, PA last sell?

12 Diamond St, Aston, PA last sold on May 1, 2025 for $390,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12 Diamond St, Aston, PA?

12 Diamond St, Aston, PA has 3 bedrooms, 2.5 bathrooms, 1,728 square feet of living space and a 0.04-acre lot.

When was 12 Diamond St, Aston, PA built?

12 Diamond St, Aston, PA was built in 1900, making it 126 years old. It is a duplex single home. The building has 2 stories.

What schools serve 12 Diamond St, Aston, PA?

12 Diamond St, 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 12 Diamond St, Aston, PA compare to other homes in Aston 19014?

Among the 7,677 homes in Aston 19014, it is bigger than 53% of them (1,728 ft² against a typical 1,672 ft²), its lot is bigger than 5% of them (1,742 ft² against a typical 0.23 ac) and it is newer than 2% of them (1900 against a typical 1969). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 12 Diamond St, Aston, PA?

The 2026 property tax bill for 12 Diamond St, Aston, PA was $4,213. The county assessed it at $148,250.

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