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Single Family ResidenceResidential
$577,625$298 / 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 96How 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 $319,000 on Apr 12, 2004

451 ASTER PL

DOWNINGTOWN, PA 19335
3
Beds
2.5
Baths
1,940 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.
0.69 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$578K
$552K low$603K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$319,000 · Apr 12, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$636 (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.$166,850 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$42,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$124,850
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$166,850
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$166,850

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.45
1
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.
71
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
96
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
49
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyCHESTER
Lot (acres)The size of the land the home sits on, from county records.0.69
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Central
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood

Transaction History(1)

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
Uwchlan Hills Elementary SchoolA+
Elementary · Grades KG–5 · 0.1 mi
H
Downingtown High School EastA
High · Grades 9–12 · 1.1 mi
M
Lionville Middle SchoolA-
Middle · Grades 7–8 · 1.4 mi

District: Downingtown Area School District

Neighborhood · ZIP 19335These 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.61
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.108
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.81

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.38%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.53,396
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,255 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$134,311
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$159,194
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

451 Aster Pl 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 82% of homes in Downingtown 19335
  • Has a bigger lot than 68% of homes in Downingtown 19335

What homes are worth in Downingtown 19335

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

This home
$257K$1.1M

This home is worth more than 49% of homes in Downingtown 19335.

How it measures up in Downingtown 19335

The dot is this home. The mark in the middle is the typical home in Downingtown 19335.

Estimated value$577,625
CheaperTypical $581,119Pricier

Pricier than 49% of homes nearby

Price per ft²$298
CheaperTypical $251Pricier

Pricier than 82% of homes nearby

Living area1,940 ft²
SmallerTypical 2,213 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.69 ac
SmallerTypical 0.29 acBigger

Bigger than 68% of homes nearby

Year built1985
OlderTypical 1988Newer

Newer than 42% of homes nearby

How 451 Aster Pl ranks against every home in each area.
MeasureThis homeDowningtown 19335Chester County
Estimated valuepricier than$577,62549% of homes51% of homes
Price per ft²pricier than$29882% of homes72% of homes
Living areabigger than1,940 ft²37% of homes39% of homes
Lot sizebigger than0.69 ac68% of homes61% of homes
Year builtnewer than198542% of homes51% of homes

About 451 Aster Pl

How much is 451 Aster Pl, Downingtown, PA worth?

The TopHap Estimate for 451 Aster Pl, Downingtown, PA is $577,625 as of Sep 24, 2026. The likely range is $552,092 to $603,158. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 451 Aster Pl, Downingtown, PA last sell?

451 Aster Pl, Downingtown, PA last sold on Apr 12, 2004 for $319,000, according to the county's recorded deed.

How big is 451 Aster Pl, Downingtown, PA?

451 Aster Pl, Downingtown, PA has 3 bedrooms, 2.5 bathrooms, 1,940 square feet of living space and a 0.69-acre lot.

When was 451 Aster Pl, Downingtown, PA built?

451 Aster Pl, Downingtown, PA was built in 1985, making it 41 years old. It is a conventional home. The building has 2 stories.

What schools serve 451 Aster Pl, Downingtown, PA?

451 Aster Pl, Downingtown, PA is assigned to Uwchlan Hills Elementary School (elementary), rated A+; Downingtown High School East (high), rated A; Lionville Middle School (middle), rated A-. All sit in Downingtown Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 451 Aster Pl, Downingtown, PA compare to other homes in Downingtown 19335?

Among the 18,549 homes in Downingtown 19335, it is worth more than 49% of them ($577,625 against a typical $581,119), its price per square foot is higher than 82% of them ($298 against a typical $251), it is bigger than 37% of them (1,940 ft² against a typical 2,213 ft²), its lot is bigger than 68% of them (0.69 ac against a typical 0.29 ac) and it is newer than 42% of them (1985 against a typical 1988). Measured against all of Chester County, it is worth more than 51% 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 451 Aster Pl, Downingtown, PA?

The 2026 property tax bill for 451 Aster Pl, Downingtown, PA was $636. The county assessed it at $166,850.

More homes on Aster Pl

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Assigned schools

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