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CondominiumResidential
$1,383,383$381 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $1,200,000 on Mar 31, 2023

521 S ROBERTS RD

BRYN MAWR, PA 19010
4
Beds
2.5
Baths
3,631 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.
1.06 ac
Lot SizeThe size of the land the home sits on, from county records.
1966
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.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.4M
$1.2M low$1.6M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,200,000 · Mar 31, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,799 (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.$622,850 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$233,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$389,550
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$622,850
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$622,850

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Condominium
StyleThe architectural style of the home, such as ranch or colonial.Condo/Apartment
CountyDELAWARE
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(4)

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
Ithan Elementary SchoolA+
Elementary · Grades KG–5 · 0.6 mi
H
Radnor High SchoolA+
High · Grades 9–12 · 2.0 mi
M
Radnor Middle SchoolA+
Middle · Grades 6–8 · 2.8 mi

District: Radnor Township School District

Neighborhood · ZIP 19010These 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.81
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 100.84

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.33%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.2%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.22,289
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,632 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$147,588
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$206,065
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.48 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

521 S Roberts 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 97% of homes in Delaware County
  • Costs more per square foot than 92% of homes in Delaware County
  • Bigger than 93% of homes in Delaware County
  • Has a bigger lot than 95% of homes in Delaware County
  • Newer than 76% of homes in Delaware County

What homes are worth in Bryn Mawr 19010

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

This home
$179K$3.6M

This home is worth more than 64% of homes in Bryn Mawr 19010.

How it measures up in Bryn Mawr 19010

The dot is this home. The mark in the middle is the typical home in Bryn Mawr 19010.

Estimated value$1,383,383
CheaperTypical $1,109,233Pricier

Pricier than 64% of homes nearby

Price per ft²$381
CheaperTypical $389Pricier

Pricier than 47% of homes nearby

Living area3,631 ft²
SmallerTypical 2,561 ft²Bigger

Bigger than 70% of homes nearby

Lot size1.06 ac
SmallerTypical 0.33 acBigger

Bigger than 84% of homes nearby

Year built1966
OlderTypical 1953Newer

Newer than 67% of homes nearby

How 521 S Roberts Rd ranks against every home in each area.
MeasureThis homeBryn Mawr 19010Delaware County
Estimated valuepricier than$1,383,38364% of homes97% of homes
Price per ft²pricier than$38147% of homes92% of homes
Living areabigger than3,631 ft²70% of homes93% of homes
Lot sizebigger than1.06 ac84% of homes95% of homes
Year builtnewer than196667% of homes76% of homes

About 521 S Roberts Rd

How much is 521 S Roberts Rd, Bryn Mawr, PA worth?

The TopHap Estimate for 521 S Roberts Rd, Bryn Mawr, PA is $1,383,383 as of Oct 21, 2026. The likely range is $1,191,447 to $1,575,319. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 S Roberts Rd, Bryn Mawr, PA last sell?

521 S Roberts Rd, Bryn Mawr, PA last sold on Mar 31, 2023 for $1,200,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 521 S Roberts Rd, Bryn Mawr, PA?

521 S Roberts Rd, Bryn Mawr, PA has 4 bedrooms, 2.5 bathrooms and 3,631 square feet of living space.

When was 521 S Roberts Rd, Bryn Mawr, PA built?

521 S Roberts Rd, Bryn Mawr, PA was built in 1966, making it 60 years old. It is a condo/apartment home. The building has 2 stories.

What schools serve 521 S Roberts Rd, Bryn Mawr, PA?

521 S Roberts Rd, Bryn Mawr, PA is assigned to Ithan Elementary School (elementary), rated A+; Radnor High School (high), rated A+; Radnor Middle School (middle), rated A+. All sit in Radnor Township School District. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 521 S Roberts Rd, Bryn Mawr, PA compare to other homes in Bryn Mawr 19010?

Among the 6,114 homes in Bryn Mawr 19010, it is worth more than 64% of them ($1,383,383 against a typical $1,109,233), its price per square foot is higher than 47% of them ($381 against a typical $389), it is bigger than 70% of them (3,631 ft² against a typical 2,561 ft²), its lot is bigger than 84% of them (1.06 ac against a typical 0.33 ac) and it is newer than 67% of them (1966 against a typical 1953). Measured against all of Delaware County, it is worth more than 97% 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 521 S Roberts Rd, Bryn Mawr, PA?

The 2026 property tax bill for 521 S Roberts Rd, Bryn Mawr, PA was $13,799. The county assessed it at $622,850.

More homes on S Roberts Rd

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Assigned schools

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