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Single Family ResidenceResidential
$428,879$207 / 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 95How 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 $26,939 on Jan 18, 1983

502 JOHN AVE

BALTIMORE, MD 21221
3 / 1
Baths
2,068 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$429K
$406K low$452K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$26,939 · Jan 18, 1983

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,598 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$328,367 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$301,333
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$355,400

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
Lot (acres)The size of the land the home sits on, from county records.0.24
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
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 · 336 ft²Porch · 80 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Kenwood High SchoolD-
High · Grades 9–12 · 0.2 mi
M
Stemmers Run Middle SchoolD
Middle · Grades 6–8 · 0.6 mi
E
Essex Elementary SchoolC-
Elementary · Grades PK–5 · 1.4 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21221These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.12%
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.0.9%
PopulationHow many people live in this area.42,396
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,898 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,330
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,410
Average tempThe average temperature here across a full year.56°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.57%

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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

502 John 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 83% of homes in Essex 21221
  • Costs less per square foot than 67% of homes in Baltimore County
  • Bigger than 85% of homes in Essex 21221
  • Has a bigger lot than 75% of homes in Essex 21221
  • Newer than 72% of homes in Essex 21221

What homes are worth in Essex 21221

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

This home
$140K$737K

This home is worth more than 83% of homes in Essex 21221.

How it measures up in Essex 21221

The dot is this home. The mark in the middle is the typical home in Essex 21221.

Estimated value$428,879
CheaperTypical $282,136Pricier

Pricier than 83% of homes nearby

Price per ft²$207
CheaperTypical $207Pricier

Pricier than 50% of homes nearby

Living area2,068 ft²
SmallerTypical 1,248 ft²Bigger

Bigger than 85% of homes nearby

Lot size0.24 ac
SmallerTypical 0.16 acBigger

Bigger than 75% of homes nearby

Year built1983
OlderTypical 1957Newer

Newer than 72% of homes nearby

How 502 John Ave ranks against every home in each area.
MeasureThis homeEssex 21221Baltimore County
Estimated valuepricier than$428,87983% of homes65% of homes
Price per ft²pricier than$20750% of homes33% of homes
Living areabigger than2,068 ft²85% of homes76% of homes
Lot sizebigger than0.24 ac75% of homes68% of homes
Year builtnewer than198372% of homes66% of homes

About 502 John Ave

How much is 502 John Ave, Baltimore, MD worth?

The TopHap Estimate for 502 John Ave, Baltimore, MD is $428,879 as of Aug 30, 2026. The likely range is $405,935 to $451,823. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 502 John Ave, Baltimore, MD last sell?

502 John Ave, Baltimore, MD last sold on Jan 18, 1983 for $26,939, according to the county's recorded deed.

How big is 502 John Ave, Baltimore, MD?

502 John Ave, Baltimore, MD has 3 bathrooms, 2,068 square feet of living space and a 0.24-acre lot.

When was 502 John Ave, Baltimore, MD built?

502 John Ave, Baltimore, MD was built in 1983, making it 43 years old. It is a conventional home. The building has 2 stories.

What schools serve 502 John Ave, Baltimore, MD?

502 John Ave, Baltimore, MD is assigned to Kenwood High School (high), rated D-; Stemmers Run Middle School (middle), rated D; Essex Elementary School (elementary), rated C-. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 502 John Ave, Baltimore, MD compare to other homes in Essex 21221?

Among the 12,678 homes in Essex 21221, it is worth more than 83% of them ($428,879 against a typical $282,136), its price per square foot is higher than 50% of them ($207 against a typical $207), it is bigger than 85% of them (2,068 ft² against a typical 1,248 ft²), its lot is bigger than 75% of them (0.24 ac against a typical 0.16 ac) and it is newer than 72% of them (1983 against a typical 1957). Measured against all of Baltimore County, it is worth more than 65% 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 502 John Ave, Baltimore, MD?

The 2025 property tax bill for 502 John Ave, Baltimore, MD was $4,598. The county assessed it at $328,367.

More homes on John Ave

Closest homes

More homes in Baltimore 21221

Assigned schools

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