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Single Family ResidenceResidential
$1,009,448$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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $715,000 on Jul 21, 2017

100 COSSART RD

CHADDS FORD, PA 19317
3
Beds
3.5
Baths
4,077 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.
3.4 ac
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.
7
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$923K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$715,000 · Jul 21, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,128 (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.$278,120 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100,430
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$177,690
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$278,120
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$290,250

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.149 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

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.Colonial
CountyCHESTER
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.2002
ConstructionThe main material the home's frame and walls are built from.Stone
HeatingThe type of heating system in the home.Hot Water
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
Hillendale Elementary SchoolA+
Elementary · Grades KG–5 · 2.2 mi
H
Unionville High SchoolA+
High · Grades 9–12 · 6.8 mi
M
Charles F. Patton Middle SchoolA
Middle · Grades 6–8 · 6.9 mi

District: Unionville-Chadds Ford School District

Neighborhood · ZIP 19317These 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.56
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.101
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.78

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
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.0.9%
PopulationHow many people live in this area.10,006
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.486 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$150,489
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$178,872
Average tempThe average temperature here across a full year.53°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

100 Cossart Rd 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 more than 90% of homes in Chester County
  • Bigger than 90% of homes in Chester County
  • Has a bigger lot than 95% of homes in Chester County
  • Older than 96% of homes in Chadds Ford 19317

What homes are worth in Chadds Ford 19317

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

This home
$220K$1.7M

This home is worth more than 81% of homes in Chadds Ford 19317.

How it measures up in Chadds Ford 19317

The dot is this home. The mark in the middle is the typical home in Chadds Ford 19317.

Estimated value$1,009,448
CheaperTypical $676,130Pricier

Pricier than 81% of homes nearby

Price per ft²$248
CheaperTypical $246Pricier

Pricier than 51% of homes nearby

Living area4,077 ft²
SmallerTypical 2,756 ft²Bigger

Bigger than 78% of homes nearby

Lot size3.4 ac
SmallerTypical 0.91 acBigger

Bigger than 90% of homes nearby

Year built1900
OlderTypical 1985Newer

Newer than 4% of homes nearby

How 100 Cossart Rd ranks against every home in each area.
MeasureThis homeChadds Ford 19317Chester County
Estimated valuepricier than$1,009,44881% of homes90% of homes
Price per ft²pricier than$24851% of homes45% of homes
Living areabigger than4,077 ft²78% of homes90% of homes
Lot sizebigger than3.4 ac90% of homes95% of homes
Year builtnewer than19004% of homes8% of homes

About 100 Cossart Rd

How much is 100 Cossart Rd, Chadds Ford, PA worth?

The TopHap Estimate for 100 Cossart Rd, Chadds Ford, PA is $1,009,448 as of Oct 21, 2026. The likely range is $922,624 to $1,096,272. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Cossart Rd, Chadds Ford, PA last sell?

100 Cossart Rd, Chadds Ford, PA last sold on Jul 21, 2017 for $715,000, according to the county's recorded deed.

How big is 100 Cossart Rd, Chadds Ford, PA?

100 Cossart Rd, Chadds Ford, PA has 3 bedrooms, 3.5 bathrooms and 4,077 square feet of living space.

When was 100 Cossart Rd, Chadds Ford, PA built?

100 Cossart Rd, Chadds Ford, PA was built in 1900, making it 126 years old. It is a colonial home. The building has 2 stories.

What schools serve 100 Cossart Rd, Chadds Ford, PA?

100 Cossart Rd, Chadds Ford, PA is assigned to Hillendale Elementary School (elementary), rated A+; Unionville High School (high), rated A+; Charles F. Patton Middle School (middle), rated A. All sit in Unionville-Chadds Ford School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Cossart Rd, Chadds Ford, PA compare to other homes in Chadds Ford 19317?

Among the 3,755 homes in Chadds Ford 19317, it is worth more than 81% of them ($1,009,448 against a typical $676,130), its price per square foot is higher than 51% of them ($248 against a typical $246), it is bigger than 78% of them (4,077 ft² against a typical 2,756 ft²), its lot is bigger than 90% of them (3.4 ac against a typical 0.91 ac) and it is newer than 4% of them (1900 against a typical 1985). Measured against all of Chester County, it is worth more than 90% 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 100 Cossart Rd, Chadds Ford, PA?

The 2026 property tax bill for 100 Cossart Rd, Chadds Ford, PA was $1,128. The county assessed it at $278,120.

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