Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$404,792$166 / 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 $215,000 on Mar 6, 2008

1101 S KEYSTONE AVE

UPPER DARBY, PA 19082
3
Beds
2.5
Baths
2,432 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.
4,138 ft²
Lot SizeThe size of the land the home sits on, from county records.
1926
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
RoomsThe total room count in county records. Counties differ on which rooms they count, so compare it loosely.

Valuation

$405K
$380K low$430K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$215,000 · Mar 6, 2008

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,493 (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.$168,690 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$39,330
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$129,360
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$168,690
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$168,690

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
Lot (acres)The size of the land the home sits on, from county records.0.10
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
HeatingThe type of heating system 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.

M
Beverly Hills Middle SchoolC-
Middle · Grades 6–8 · 0.4 mi
H
Upper Darby High SchoolD+
High · Grades 9–12 · 0.7 mi
E
Hillcrest Elementary SchoolC
Elementary · Grades KG–5 · 1.4 mi

District: Upper Darby School District

Neighborhood · ZIP 19082These 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.115
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 100.78

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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.19%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.17%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.2%
PopulationHow many people live in this area.41,135
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.16,040 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$59,070
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$74,967
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

1101 S Keystone 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 96% of homes in Upper Darby 19082
  • Costs less per square foot than 79% of homes in Delaware County
  • Bigger than 96% of homes in Upper Darby 19082
  • Has a bigger lot than 82% of homes in Upper Darby 19082
  • Older than 83% of homes in Delaware County

What homes are worth in Upper Darby 19082

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

This home
$62K$426K

This home is worth more than 96% of homes in Upper Darby 19082.

How it measures up in Upper Darby 19082

The dot is this home. The mark in the middle is the typical home in Upper Darby 19082.

Estimated value$404,792
CheaperTypical $178,634Pricier

Pricier than 96% of homes nearby

Price per ft²$166
CheaperTypical $147Pricier

Pricier than 72% of homes nearby

Living area2,432 ft²
SmallerTypical 1,288 ft²Bigger

Bigger than 96% of homes nearby

Lot size4,138 ft²
SmallerTypical 1,786 ft²Bigger

Bigger than 82% of homes nearby

Year built1926
OlderTypical 1929Newer

Newer than 33% of homes nearby

How 1101 S Keystone Ave ranks against every home in each area.
MeasureThis homeUpper Darby 19082Delaware County
Estimated valuepricier than$404,79296% of homes46% of homes
Price per ft²pricier than$16672% of homes21% of homes
Living areabigger than2,432 ft²96% of homes79% of homes
Lot sizebigger than4,138 ft²82% of homes36% of homes
Year builtnewer than192633% of homes17% of homes

About 1101 S Keystone Ave

How much is 1101 S Keystone Ave, Upper Darby, PA worth?

The TopHap Estimate for 1101 S Keystone Ave, Upper Darby, PA is $404,792 as of Aug 30, 2026. The likely range is $379,733 to $429,851. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 1101 S Keystone Ave, Upper Darby, PA last sell?

1101 S Keystone Ave, Upper Darby, PA last sold on Mar 6, 2008 for $215,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 1101 S Keystone Ave, Upper Darby, PA?

1101 S Keystone Ave, Upper Darby, PA has 3 bedrooms, 2.5 bathrooms, 2,432 square feet of living space and a 0.10-acre lot.

When was 1101 S Keystone Ave, Upper Darby, PA built?

1101 S Keystone Ave, Upper Darby, PA was built in 1926, making it 100 years old. It is a conventional home. The building has 2 stories.

What schools serve 1101 S Keystone Ave, Upper Darby, PA?

1101 S Keystone Ave, Upper Darby, PA is assigned to Beverly Hills Middle School (middle), rated C-; Upper Darby High School (high), rated D+; Hillcrest Elementary School (elementary), rated C. All sit in Upper Darby School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 1101 S Keystone Ave, Upper Darby, PA compare to other homes in Upper Darby 19082?

Among the 11,487 homes in Upper Darby 19082, it is worth more than 96% of them ($404,792 against a typical $178,634), its price per square foot is higher than 72% of them ($166 against a typical $147), it is bigger than 96% of them (2,432 ft² against a typical 1,288 ft²), its lot is bigger than 82% of them (4,138 ft² against a typical 1,786 ft²) and it is newer than 33% of them (1926 against a typical 1929). Measured against all of Delaware County, it is worth more than 46% 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 1101 S Keystone Ave, Upper Darby, PA?

The 2026 property tax bill for 1101 S Keystone Ave, Upper Darby, PA was $7,493. The county assessed it at $168,690.

More homes on S Keystone Ave

Closest homes

More homes in Upper Darby 19082

Assigned schools

Explore the area

See this home in context

Open 1101 S Keystone Ave 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