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Single Family ResidenceResidential
$730,175$220 / 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 Sep 24, 2026
Last sold for $326,000 on Apr 7, 2004

4902 BART ALLEN LN

BALDWIN, MD 21013
4
Baths
3,320 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.
0.9 ac
Lot SizeThe size of the land the home sits on, from county records.
1971
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

$730K
$689K low$771K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$326,000 · Apr 7, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,968 (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.$646,200 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$589,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$702,700

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.0.90
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.Patio · 437 ft²Porch · 138 ft²

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
Carroll Manor Elementary SchoolA+
Elementary · Grades PK–5 · 1.0 mi
H
Dulaney High SchoolB-
High · Grades 9–12 · 6.3 mi
M
Cockeysville Middle SchoolB-
Middle · Grades 6–8 · 6.9 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21013These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.47

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.4,797
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.307 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$166,280
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$190,242
Average tempThe average temperature here across a full year.54°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%

Owner Tools

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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

4902 Bart Allen Ln 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 91% of homes in Baltimore County
  • Costs less per square foot than 90% of homes in Baldwin 21013
  • Bigger than 94% of homes in Baltimore County
  • Has a bigger lot than 87% of homes in Baltimore County
  • Older than 72% of homes in Baldwin 21013

What homes are worth in Baldwin 21013

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

This home
$350K$1.5M

This home is worth more than 71% of homes in Baldwin 21013.

How it measures up in Baldwin 21013

The dot is this home. The mark in the middle is the typical home in Baldwin 21013.

Estimated value$730,175
CheaperTypical $638,173Pricier

Pricier than 71% of homes nearby

Price per ft²$220
CheaperTypical $269Pricier

Pricier than 10% of homes nearby

Living area3,320 ft²
SmallerTypical 2,358 ft²Bigger

Bigger than 82% of homes nearby

Lot size0.9 ac
SmallerTypical 1.27 acBigger

Bigger than 24% of homes nearby

Year built1971
OlderTypical 1979Newer

Newer than 28% of homes nearby

How 4902 Bart Allen Ln ranks against every home in each area.
MeasureThis homeBaldwin 21013Baltimore County
Estimated valuepricier than$730,17571% of homes91% of homes
Price per ft²pricier than$22010% of homes42% of homes
Living areabigger than3,320 ft²82% of homes94% of homes
Lot sizebigger than0.9 ac24% of homes87% of homes
Year builtnewer than197128% of homes56% of homes

About 4902 Bart Allen Ln

How much is 4902 Bart Allen Ln, Baldwin, MD worth?

The TopHap Estimate for 4902 Bart Allen Ln, Baldwin, MD is $730,175 as of Sep 24, 2026. The likely range is $689,248 to $771,102. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4902 Bart Allen Ln, Baldwin, MD last sell?

4902 Bart Allen Ln, Baldwin, MD last sold on Apr 7, 2004 for $326,000, according to the county's recorded deed.

How big is 4902 Bart Allen Ln, Baldwin, MD?

4902 Bart Allen Ln, Baldwin, MD has 4 bathrooms, 3,320 square feet of living space and a 0.90-acre lot.

When was 4902 Bart Allen Ln, Baldwin, MD built?

4902 Bart Allen Ln, Baldwin, MD was built in 1971, making it 55 years old. It is a conventional home. The building has 2 stories.

What schools serve 4902 Bart Allen Ln, Baldwin, MD?

4902 Bart Allen Ln, Baldwin, MD is assigned to Carroll Manor Elementary School (elementary), rated A+; Dulaney High School (high), rated B-; Cockeysville Middle School (middle), rated B-. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4902 Bart Allen Ln, Baldwin, MD compare to other homes in Baldwin 21013?

Among the 1,739 homes in Baldwin 21013, it is worth more than 71% of them ($730,175 against a typical $638,173), its price per square foot is higher than 10% of them ($220 against a typical $269), it is bigger than 82% of them (3,320 ft² against a typical 2,358 ft²), its lot is bigger than 24% of them (0.9 ac against a typical 1.27 ac) and it is newer than 28% of them (1971 against a typical 1979). Measured against all of Baltimore County, it is worth more than 91% 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 4902 Bart Allen Ln, Baldwin, MD?

The 2025 property tax bill for 4902 Bart Allen Ln, Baldwin, MD was $6,968. The county assessed it at $646,200.

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