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Single Family ResidenceResidential
$404,166$279 / 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 Sep 24, 2026
Last sold for $381,000 on May 7, 2024

421 JOHNSON AVE

RIDLEY PARK, PA 19078
3
Beds
1
Baths
1,450 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.
0.13 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
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.

Valuation

$404K
$367K low$442K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$381,000 · May 7, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,539 (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.$189,220 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,810
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$126,410
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$189,220
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$189,220

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyDELAWARE
Lot (acres)The size of the land the home sits on, from county records.0.13
HeatingThe type of heating system in the home.Central
CoolingThe type of cooling or air conditioning in the home.Central
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
Leedom Elementary SchoolC+
Elementary · Grades KG–5 · 0.2 mi
M
Ridley Middle SchoolD+
Middle · Grades 6–8 · 0.8 mi
H
Ridley High SchoolC+
High · Grades 9–12 · 1.3 mi

District: Ridley School District

Neighborhood · ZIP 19078These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.98
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.75

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.8%
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.10,786
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.5,214 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$91,053
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$104,869
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

421 Johnson Ave 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 70% of homes in Ridley Park 19078
  • Costs more per square foot than 87% of homes in Ridley Park 19078
  • Older than 82% of homes in Ridley Park 19078

What homes are worth in Ridley Park 19078

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

This home
$157K$535K

This home is worth more than 70% of homes in Ridley Park 19078.

How it measures up in Ridley Park 19078

The dot is this home. The mark in the middle is the typical home in Ridley Park 19078.

Estimated value$404,166
CheaperTypical $372,505Pricier

Pricier than 70% of homes nearby

Price per ft²$279
CheaperTypical $233Pricier

Pricier than 87% of homes nearby

Living area1,450 ft²
SmallerTypical 1,344 ft²Bigger

Bigger than 57% of homes nearby

Lot size0.13 ac
SmallerTypical 0.11 acBigger

Bigger than 63% of homes nearby

Year built1930
OlderTypical 1954Newer

Newer than 18% of homes nearby

How 421 Johnson Ave ranks against every home in each area.
MeasureThis homeRidley Park 19078Delaware County
Estimated valuepricier than$404,16670% of homes47% of homes
Price per ft²pricier than$27987% of homes67% of homes
Living areabigger than1,450 ft²57% of homes41% of homes
Lot sizebigger than0.13 ac63% of homes46% of homes
Year builtnewer than193018% of homes25% of homes

About 421 Johnson Ave

How much is 421 Johnson Ave, Ridley Park, PA worth?

The TopHap Estimate for 421 Johnson Ave, Ridley Park, PA is $404,166 as of Sep 24, 2026. The likely range is $366,809 to $441,523. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Johnson Ave, Ridley Park, PA last sell?

421 Johnson Ave, Ridley Park, PA last sold on May 7, 2024 for $381,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 421 Johnson Ave, Ridley Park, PA?

421 Johnson Ave, Ridley Park, PA has 3 bedrooms, 1 bathrooms, 1,450 square feet of living space and a 0.13-acre lot.

When was 421 Johnson Ave, Ridley Park, PA built?

421 Johnson Ave, Ridley Park, PA was built in 1930, making it 96 years old. The building has 2 stories.

What schools serve 421 Johnson Ave, Ridley Park, PA?

421 Johnson Ave, Ridley Park, PA is assigned to Leedom Elementary School (elementary), rated C+; Ridley Middle School (middle), rated D+; Ridley High School (high), rated C+. All sit in Ridley School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Johnson Ave, Ridley Park, PA compare to other homes in Ridley Park 19078?

Among the 3,714 homes in Ridley Park 19078, it is worth more than 70% of them ($404,166 against a typical $372,505), its price per square foot is higher than 87% of them ($279 against a typical $233), it is bigger than 57% of them (1,450 ft² against a typical 1,344 ft²), its lot is bigger than 63% of them (0.13 ac against a typical 0.11 ac) and it is newer than 18% of them (1930 against a typical 1954). Measured against all of Delaware County, it is worth more than 47% 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 421 Johnson Ave, Ridley Park, PA?

The 2026 property tax bill for 421 Johnson Ave, Ridley Park, PA was $7,539. The county assessed it at $189,220.

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