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Single Family ResidenceResidential
$987,320$443 / 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 90How 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

820 S VALLEY FORGE RD

DEVON, PA 19333
4
Beds
2.5
Baths
2,228 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.
0.5 ac
Lot SizeThe size of the land the home sits on, from county records.
1963
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.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$987K
$890K low$1.1M high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$768 (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.$193,540 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$116,130
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$77,410
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$193,540
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$193,540

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
CountyCHESTER
Lot (acres)The size of the land the home sits on, from county records.0.50
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
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

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Devon Elementary SchoolA+
Elementary · Grades KG–4 · 1.0 mi
M
Tredyffrin / Easttown Middle SchoolA+
Middle · Grades 5–8 · 2.5 mi
H
Conestoga High SchoolA+
High · Grades 9–12 · 2.7 mi

District: Tredyffrin-Easttown School District

Neighborhood · ZIP 19333These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.102
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.45%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
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.7,028
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,095 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$177,467
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$218,429
Average tempThe average temperature here across a full year.53°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

820 S Valley Forge 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 89% of homes in Chester County
  • Costs more per square foot than 98% of homes in Chester County
  • Older than 73% of homes in Chester County

What homes are worth in Devon 19333

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

This home
$236K$3M

This home is worth more than 58% of homes in Devon 19333.

How it measures up in Devon 19333

The dot is this home. The mark in the middle is the typical home in Devon 19333.

Estimated value$987,320
CheaperTypical $862,655Pricier

Pricier than 58% of homes nearby

Price per ft²$443
CheaperTypical $361Pricier

Pricier than 84% of homes nearby

Living area2,228 ft²
SmallerTypical 2,344 ft²Bigger

Bigger than 48% of homes nearby

Lot size0.5 ac
SmallerTypical 0.44 acBigger

Bigger than 53% of homes nearby

Year built1963
OlderTypical 1973Newer

Newer than 43% of homes nearby

How 820 S Valley Forge Rd ranks against every home in each area.
MeasureThis homeDevon 19333Chester County
Estimated valuepricier than$987,32058% of homes89% of homes
Price per ft²pricier than$44384% of homes98% of homes
Living areabigger than2,228 ft²48% of homes51% of homes
Lot sizebigger than0.5 ac53% of homes53% of homes
Year builtnewer than196343% of homes27% of homes

About 820 S Valley Forge Rd

How much is 820 S Valley Forge Rd, Devon, PA worth?

The TopHap Estimate for 820 S Valley Forge Rd, Devon, PA is $987,320 as of Sep 24, 2026. The likely range is $889,603 to $1,085,037. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 820 S Valley Forge Rd, Devon, PA last sell?

820 S Valley Forge Rd, Devon, PA last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 820 S Valley Forge Rd, Devon, PA?

820 S Valley Forge Rd, Devon, PA has 4 bedrooms, 2.5 bathrooms, 2,228 square feet of living space and a 0.50-acre lot.

When was 820 S Valley Forge Rd, Devon, PA built?

820 S Valley Forge Rd, Devon, PA was built in 1963, making it 63 years old. It is a conventional home. The building has 2 stories.

What schools serve 820 S Valley Forge Rd, Devon, PA?

820 S Valley Forge Rd, Devon, PA is assigned to Devon Elementary School (elementary), rated A+; Tredyffrin / Easttown Middle School (middle), rated A+; Conestoga High School (high), rated A+. All sit in Tredyffrin-Easttown School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 820 S Valley Forge Rd, Devon, PA compare to other homes in Devon 19333?

Among the 2,408 homes in Devon 19333, it is worth more than 58% of them ($987,320 against a typical $862,655), its price per square foot is higher than 84% of them ($443 against a typical $361), it is bigger than 48% of them (2,228 ft² against a typical 2,344 ft²), its lot is bigger than 53% of them (0.5 ac against a typical 0.44 ac) and it is newer than 43% of them (1963 against a typical 1973). Measured against all of Chester County, it is worth more than 89% 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 820 S Valley Forge Rd, Devon, PA?

The 2026 property tax bill for 820 S Valley Forge Rd, Devon, PA was $768. The county assessed it at $193,540.

More homes on S Valley Forge Rd

Closest homes

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Assigned schools

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