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Single Family ResidenceResidential
$278,415$224 / 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
Last sold for $160,000 on Jan 24, 2019

421 DALMAS AVE

GLENOLDEN, PA 19036
3
Beds
1
Baths
1,242 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.
1946
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

$278K
$251K low$305K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$160,000 · Jan 24, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,314 (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.$141,310 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$44,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$97,110
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$141,310
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$141,310

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.170 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.1 percent flood zone

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.Conventional
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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.

E
Glenolden SchoolD+
Elementary · Grades 1–8 · 0.2 mi
H
Interboro High SchoolC
High · Grades 9–12 · 0.7 mi

District: Interboro School District

Neighborhood · ZIP 19036These 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.94
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 100.80

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.15%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
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.13,000
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.8,559 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$75,416
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$100,754
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 Dalmas 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 77% of homes in Glenolden 19036
  • Costs more per square foot than 93% of homes in Glenolden 19036
  • Smaller than 75% of homes in Delaware County
  • Has a bigger lot than 73% of homes in Glenolden 19036
  • Older than 68% of homes in Glenolden 19036

What homes are worth in Glenolden 19036

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

This home
$92K$410K

This home is worth more than 77% of homes in Glenolden 19036.

How it measures up in Glenolden 19036

The dot is this home. The mark in the middle is the typical home in Glenolden 19036.

Estimated value$278,415
CheaperTypical $230,017Pricier

Pricier than 77% of homes nearby

Price per ft²$224
CheaperTypical $192Pricier

Pricier than 93% of homes nearby

Living area1,242 ft²
SmallerTypical 1,152 ft²Bigger

Bigger than 59% of homes nearby

Lot size0.13 ac
SmallerTypical 3,485 ft²Bigger

Bigger than 73% of homes nearby

Year built1946
OlderTypical 1952Newer

Newer than 32% of homes nearby

How 421 Dalmas Ave ranks against every home in each area.
MeasureThis homeGlenoldenGlenolden 19036Delaware County
Estimated valuepricier than$278,41539% of homes77% of homes28% of homes
Price per ft²pricier than$22487% of homes93% of homes44% of homes
Living areabigger than1,242 ft²30% of homes59% of homes25% of homes
Lot sizebigger than0.13 ac55% of homes73% of homes46% of homes
Year builtnewer than194657% of homes32% of homes40% of homes

About 421 Dalmas Ave

How much is 421 Dalmas Ave, Glenolden, PA worth?

The TopHap Estimate for 421 Dalmas Ave, Glenolden, PA is $278,415 as of Sep 24, 2026. The likely range is $251,452 to $305,378. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 421 Dalmas Ave, Glenolden, PA last sell?

421 Dalmas Ave, Glenolden, PA last sold on Jan 24, 2019 for $160,000, according to the county's recorded deed.

How big is 421 Dalmas Ave, Glenolden, PA?

421 Dalmas Ave, Glenolden, PA has 3 bedrooms, 1 bathrooms, 1,242 square feet of living space and a 0.13-acre lot.

When was 421 Dalmas Ave, Glenolden, PA built?

421 Dalmas Ave, Glenolden, PA was built in 1946, making it 80 years old. It is a conventional home. The building has 2 stories.

What schools serve 421 Dalmas Ave, Glenolden, PA?

421 Dalmas Ave, Glenolden, PA is assigned to Glenolden School (elementary), rated D+; Interboro High School (high), rated C. All sit in Interboro School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 421 Dalmas Ave, Glenolden, PA compare to other homes in Glenolden 19036?

Among the 4,292 homes in Glenolden 19036, it is worth more than 77% of them ($278,415 against a typical $230,017), its price per square foot is higher than 93% of them ($224 against a typical $192), it is bigger than 59% of them (1,242 ft² against a typical 1,152 ft²), its lot is bigger than 73% of them (0.13 ac against a typical 3,485 ft²) and it is newer than 32% of them (1946 against a typical 1952). Measured against all of Delaware County, it is worth more than 28% 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 Dalmas Ave, Glenolden, PA?

The 2026 property tax bill for 421 Dalmas Ave, Glenolden, PA was $5,314. The county assessed it at $141,310.

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