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Single Family ResidenceResidential
$209,376$101 / 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 Jul 14, 2026
Last sold for $185,000 on Jun 7, 2023

509 RADNOR AVE

BALTIMORE, MD 21212
2
Baths
2,065 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.

Valuation

$209K
$197K low$222K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$185,000 · Jun 7, 2023
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$29,926
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$23,941
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.92%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$179,450
CALIVER BEACH MORTGAGE LLC · recorded Jun 7, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,985 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$141,333 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$127,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$168,400

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
CountyBaltimore City
Lot (acres)The size of the land the home sits on, from county records.0.17
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Radiant
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Deck · 100 ft²Porch · 298 ft²

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
Walter P. Carter Elementary/Middle SchoolD
Elementary · Grades PK–8 · 0.5 mi
H
Mergenthaler Vocational-Technical High SchoolD-
High · Grades 9–12 · 1.4 mi

District: Baltimore City Public Schools

Neighborhood · ZIP 21212These 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.76
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.9.4%
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.31,943
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,832 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$114,504
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$139,598
Average tempThe average temperature here across a full year.55°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.57%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

509 Radnor 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 Richnor Springs
  • Costs less per square foot than 90% of homes in Baltimore 21212
  • Among the largest homes in Richnor Springs
  • Among the largest lots in Richnor Springs
  • Among the oldest homes in Richnor Springs

What homes are worth in Baltimore 21212

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

This home
$89K$1.3M

This home is worth more than 31% of homes in Baltimore 21212.

How it measures up in Baltimore 21212

The dot is this home. The mark in the middle is the typical home in Baltimore 21212.

Estimated value$209,376
CheaperTypical $348,191Pricier

Pricier than 31% of homes nearby

Price per ft²$101
CheaperTypical $229Pricier

Pricier than 10% of homes nearby

Living area2,065 ft²
SmallerTypical 1,408 ft²Bigger

Bigger than 80% of homes nearby

Lot size0.17 ac
SmallerTypical 3,659 ft²Bigger

Bigger than 76% of homes nearby

Year built1900
OlderTypical 1942Newer

Newer than 2% of homes nearby

How 509 Radnor Ave ranks against every home in each area.
MeasureThis homeRichnor SpringsBaltimore 21212Baltimore city County
Estimated valuepricier than$209,37696% of homes31% of homes51% of homes
Price per ft²pricier than$10151% of homes10% of homes16% of homes
Living areabigger than2,065 ft²almost all homes80% of homes87% of homes
Lot sizebigger than0.17 acalmost all homes76% of homes91% of homes
Year builtnewer than1900almost no homes2% of homes14% of homes

About 509 Radnor Ave

How much is 509 Radnor Ave, Baltimore, MD worth?

The TopHap Estimate for 509 Radnor Ave, Baltimore, MD is $209,376 as of Jul 14, 2026. The likely range is $197,034 to $221,718. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Radnor Ave, Baltimore, MD last sell?

509 Radnor Ave, Baltimore, MD last sold on Jun 7, 2023 for $185,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 509 Radnor Ave, Baltimore, MD?

509 Radnor Ave, Baltimore, MD has 2 bathrooms, 2,065 square feet of living space and a 0.17-acre lot.

When was 509 Radnor Ave, Baltimore, MD built?

509 Radnor Ave, Baltimore, MD was built in 1900, making it 126 years old. It is a conventional home. The building has 3 stories.

What schools serve 509 Radnor Ave, Baltimore, MD?

509 Radnor Ave, Baltimore, MD is assigned to Walter P. Carter Elementary/Middle School (elementary), rated D; Mergenthaler Vocational-Technical High School (high), rated D-. All sit in Baltimore City Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Radnor Ave, Baltimore, MD compare to other homes in Baltimore 21212?

Among the 11,465 homes in Baltimore 21212, it is worth more than 31% of them ($209,376 against a typical $348,191), its price per square foot is higher than 10% of them ($101 against a typical $229), it is bigger than 80% of them (2,065 ft² against a typical 1,408 ft²), its lot is bigger than 76% of them (0.17 ac against a typical 3,659 ft²) and it is newer than 2% of them (1900 against a typical 1942). Measured against all of Baltimore city County, it is worth more than 51% 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 509 Radnor Ave, Baltimore, MD?

The 2023 property tax bill for 509 Radnor Ave, Baltimore, MD was $2,985. The county assessed it at $141,333.

Closest homes

More homes in Baltimore 21212

Assigned schools

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