Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,036,841$281 / 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 Aug 30, 2026
Last sold for $430,000 on Dec 6, 2001

9 DIAMOND DR

THORNTON, PA 19373
3
Beds
2.5
Baths
3,689 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.
2.04 ac
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
1
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.

Valuation

$1M
$970K 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.$430,000 · Dec 6, 2001

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,848 (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.$580,540 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$130,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$449,940
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$580,540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$580,540

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
CountyDELAWARE
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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(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.

E
Westtown - Thornbury Elementary SchoolA
Elementary · Grades KG–5 · 1.1 mi
H
Bayard Rustin High SchoolA
High · Grades 9–12 · 1.2 mi
M
G. A. Stetson Middle SchoolB-
Middle · Grades 6–8 · 2.8 mi

District: West Chester Area School District

Neighborhood · ZIP 19373These 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.21
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 100.84

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.1.6%
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.2,520
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.728 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$205,615
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$218,955
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%

Owner Tools

Do you own this home?
Claim this home

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

9 Diamond 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 more than 92% of homes in Delaware County
  • Costs more per square foot than 69% of homes in Delaware County
  • Bigger than 93% of homes in Delaware County
  • Has a bigger lot than 98% of homes in Delaware County
  • Newer than 88% of homes in Delaware County

What homes are worth in Thornton 19373

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

This home
$431K$1.4M

This home is worth more than 82% of homes in Thornton 19373.

How it measures up in Thornton 19373

The dot is this home. The mark in the middle is the typical home in Thornton 19373.

Estimated value$1,036,841
CheaperTypical $850,963Pricier

Pricier than 82% of homes nearby

Price per ft²$281
CheaperTypical $279Pricier

Pricier than 51% of homes nearby

Living area3,689 ft²
SmallerTypical 3,038 ft²Bigger

Bigger than 71% of homes nearby

Lot size2.04 ac
SmallerTypical 1.27 acBigger

Bigger than 78% of homes nearby

Year built1988
OlderTypical 1985Newer

Newer than 56% of homes nearby

How 9 Diamond Dr ranks against every home in each area.
MeasureThis homeThornton 19373Delaware County
Estimated valuepricier than$1,036,84182% of homes92% of homes
Price per ft²pricier than$28151% of homes69% of homes
Living areabigger than3,689 ft²71% of homes93% of homes
Lot sizebigger than2.04 ac78% of homes98% of homes
Year builtnewer than198856% of homes88% of homes

About 9 Diamond Dr

How much is 9 Diamond Dr, Thornton, PA worth?

The TopHap Estimate for 9 Diamond Dr, Thornton, PA is $1,036,841 as of Aug 30, 2026. The likely range is $970,303 to $1,103,379. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9 Diamond Dr, Thornton, PA last sell?

9 Diamond Dr, Thornton, PA last sold on Dec 6, 2001 for $430,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9 Diamond Dr, Thornton, PA?

9 Diamond Dr, Thornton, PA has 3 bedrooms, 2.5 bathrooms and 3,689 square feet of living space.

When was 9 Diamond Dr, Thornton, PA built?

9 Diamond Dr, Thornton, PA was built in 1988, making it 38 years old. It is a conventional home. The building has 1 story.

What schools serve 9 Diamond Dr, Thornton, PA?

9 Diamond Dr, Thornton, PA is assigned to Westtown - Thornbury Elementary School (elementary), rated A; Bayard Rustin High School (high), rated A; G. A. Stetson Middle School (middle), rated B-. All sit in West Chester Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9 Diamond Dr, Thornton, PA compare to other homes in Thornton 19373?

Among the 864 homes in Thornton 19373, it is worth more than 82% of them ($1,036,841 against a typical $850,963), its price per square foot is higher than 51% of them ($281 against a typical $279), it is bigger than 71% of them (3,689 ft² against a typical 3,038 ft²), its lot is bigger than 78% of them (2.04 ac against a typical 1.27 ac) and it is newer than 56% of them (1988 against a typical 1985). Measured against all of Delaware County, it is worth more than 92% 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 9 Diamond Dr, Thornton, PA?

The 2026 property tax bill for 9 Diamond Dr, Thornton, PA was $8,848. The county assessed it at $580,540.

More homes on Diamond Dr

Closest homes

More homes in Thornton 19373

Assigned schools

Explore the area

See this home in context

Open 9 Diamond Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map