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Single Family ResidenceResidential
$645,191$250 / 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 94How 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 $230,000 on Feb 10, 2012

331 BIDDLE DR

EXTON, PA 19341
3
Beds
2.5
Baths
2,580 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.
1.6 ac
Lot SizeThe size of the land the home sits on, from county records.
1970
Year BuiltThe year the home was originally built, according to county records.
1
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$645K
$609K low$681K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$230,000 · Feb 10, 2012

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$604 (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.$158,480 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$61,680
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$96,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$158,480
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$158,480

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.Cape Cod
CountyCHESTER
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
FoundationWhat the home is built on, such as a concrete slab, a crawl space, or a basement.Raised (Unspecified)
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.Central
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.Yes
ViewThe type of view from the property, or another feature of the site that affects value.Neighborhood

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.

H
Downingtown High School EastA
High · Grades 9–12 · 1.1 mi
M
Lionville Middle SchoolA-
Middle · Grades 7–8 · 1.1 mi
E
Lionville Elementary SchoolA+
Elementary · Grades KG–5 · 1.2 mi

District: Downingtown Area School District

Neighborhood · ZIP 19341These 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.111
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.83

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.88%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.42%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
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.21,289
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,506 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$123,240
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,936
Average tempThe average temperature here across a full year.52°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

331 Biddle 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.

  • Has a bigger lot than 98% of homes in Exton 19341
  • Older than 76% of homes in Exton 19341

What homes are worth in Exton 19341

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

This home
$298K$1.2M

This home is worth more than 57% of homes in Exton 19341.

How it measures up in Exton 19341

The dot is this home. The mark in the middle is the typical home in Exton 19341.

Estimated value$645,191
CheaperTypical $620,617Pricier

Pricier than 57% of homes nearby

Price per ft²$250
CheaperTypical $261Pricier

Pricier than 42% of homes nearby

Living area2,580 ft²
SmallerTypical 2,210 ft²Bigger

Bigger than 64% of homes nearby

Lot size1.6 ac
SmallerTypical 0.36 acBigger

Bigger than 98% of homes nearby

Year built1970
OlderTypical 1985Newer

Newer than 24% of homes nearby

How 331 Biddle Dr ranks against every home in each area.
MeasureThis homeExton 19341Chester County
Estimated valuepricier than$645,19157% of homes61% of homes
Price per ft²pricier than$25042% of homes46% of homes
Living areabigger than2,580 ft²64% of homes64% of homes
Lot sizebigger than1.6 ac98% of homes86% of homes
Year builtnewer than197024% of homes33% of homes

About 331 Biddle Dr

How much is 331 Biddle Dr, Exton, PA worth?

The TopHap Estimate for 331 Biddle Dr, Exton, PA is $645,191 as of Sep 24, 2026. The likely range is $609,387 to $680,995. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 331 Biddle Dr, Exton, PA last sell?

331 Biddle Dr, Exton, PA last sold on Feb 10, 2012 for $230,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 331 Biddle Dr, Exton, PA?

331 Biddle Dr, Exton, PA has 3 bedrooms, 2.5 bathrooms and 2,580 square feet of living space.

When was 331 Biddle Dr, Exton, PA built?

331 Biddle Dr, Exton, PA was built in 1970, making it 56 years old. It is a cape cod home. The building has 1 story.

What schools serve 331 Biddle Dr, Exton, PA?

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

How does 331 Biddle Dr, Exton, PA compare to other homes in Exton 19341?

Among the 5,317 homes in Exton 19341, it is worth more than 57% of them ($645,191 against a typical $620,617), its price per square foot is higher than 42% of them ($250 against a typical $261), it is bigger than 64% of them (2,580 ft² against a typical 2,210 ft²), its lot is bigger than 98% of them (1.6 ac against a typical 0.36 ac) and it is newer than 24% of them (1970 against a typical 1985). Measured against all of Chester County, it is worth more than 61% 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 331 Biddle Dr, Exton, PA?

The 2026 property tax bill for 331 Biddle Dr, Exton, PA was $604. The county assessed it at $158,480.

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