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Single Family ResidenceResidential
$635,173$268 / 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

520 JAMES ST

KING OF PRUSSIA, PA 19406
3
Beds
2.5
Baths
2,374 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.
0.39 ac
Lot SizeThe size of the land the home sits on, from county records.
1976
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.

Valuation

$635K
$607K low$663K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,603 (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.$191,800 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$191,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$191,800

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.14 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.39
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
GarageWhether the property has a garage, and details like whether it is attached to the home.No Garage
PoolWhether the property has a pool, and what kind, such as in-ground.No
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Porch · 105 ft²

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.

M
Upper Merion Area Middle SchoolB-
Middle · Grades 5–8 · 0.2 mi
H
Upper Merion Area High SchoolB
High · Grades 9–12 · 0.4 mi
E
Candlebrook Elementary SchoolA
Elementary · Grades KG–4 · 0.7 mi

District: Upper Merion Area School District

Neighborhood · ZIP 19406These 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.104
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.99
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.92%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.41%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.29,401
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,170 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$109,886
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$128,559
Average tempThe average temperature here across a full year.54°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

520 James St 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 83% of homes in King of Prussia 19406
  • Bigger than 71% of homes in King of Prussia 19406
  • Has a bigger lot than 90% of homes in King of Prussia 19406
  • Newer than 69% of homes in King of Prussia 19406

What homes are worth in King of Prussia 19406

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

This home
$61K$924K

This home is worth more than 83% of homes in King of Prussia 19406.

How it measures up in King of Prussia 19406

The dot is this home. The mark in the middle is the typical home in King of Prussia 19406.

Estimated value$635,173
CheaperTypical $504,120Pricier

Pricier than 83% of homes nearby

Price per ft²$268
CheaperTypical $266Pricier

Pricier than 52% of homes nearby

Living area2,374 ft²
SmallerTypical 1,904 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.39 ac
SmallerTypical 0.2 acBigger

Bigger than 90% of homes nearby

Year built1976
OlderTypical 1966Newer

Newer than 69% of homes nearby

How 520 James St ranks against every home in each area.
MeasureThis homeKing of Prussia 19406Montgomery County
Estimated valuepricier than$635,17383% of homes70% of homes
Price per ft²pricier than$26852% of homes59% of homes
Living areabigger than2,374 ft²71% of homes64% of homes
Lot sizebigger than0.39 ac90% of homes68% of homes
Year builtnewer than197669% of homes59% of homes

About 520 James St

How much is 520 James St, King Of Prussia, PA worth?

The TopHap Estimate for 520 James St, King Of Prussia, PA is $635,173 as of Sep 24, 2026. The likely range is $607,362 to $662,984. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 520 James St, King Of Prussia, PA last sell?

520 James St, King Of Prussia, PA last sold on Jun 22, 1976, according to the county's recorded deed.

How big is 520 James St, King Of Prussia, PA?

520 James St, King Of Prussia, PA has 3 bedrooms, 2.5 bathrooms, 2,374 square feet of living space and a 0.39-acre lot.

When was 520 James St, King Of Prussia, PA built?

520 James St, King Of Prussia, PA was built in 1976, making it 50 years old. It is a colonial home. The building has 2 stories.

What schools serve 520 James St, King Of Prussia, PA?

520 James St, King Of Prussia, PA is assigned to Upper Merion Area Middle School (middle), rated B-; Upper Merion Area High School (high), rated B; Candlebrook Elementary School (elementary), rated A. All sit in Upper Merion Area School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 520 James St, King Of Prussia, PA compare to other homes in King of Prussia 19406?

Among the 7,643 homes in King of Prussia 19406, it is worth more than 83% of them ($635,173 against a typical $504,120), its price per square foot is higher than 52% of them ($268 against a typical $266), it is bigger than 71% of them (2,374 ft² against a typical 1,904 ft²), its lot is bigger than 90% of them (0.39 ac against a typical 0.2 ac) and it is newer than 69% of them (1976 against a typical 1966). Measured against all of Montgomery County, it is worth more than 70% 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 520 James St, King Of Prussia, PA?

The 2026 property tax bill for 520 James St, King Of Prussia, PA was $6,603. The county assessed it at $191,800.

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