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Single Family ResidenceResidential
$332,509$212 / 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 Sep 24, 2026
Last sold for $189,500 on Jul 1, 2003

4003 ROUNDTOP RD

BALTIMORE, MD 21218
2 / 1
Baths
1,566 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.
4,165 ft²
Lot SizeThe size of the land the home sits on, from county records.
1941
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$333K
$316K low$349K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$189,500 · Jul 1, 2003

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,343 (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.$257,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$62,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$194,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$243,833
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$257,000

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.0.10
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
PoolWhether the property has a pool, and what kind, such as in-ground.No

Transaction History(2)

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.

H
Mergenthaler Vocational-Technical High SchoolD-
High · Grades 9–12 · 0.5 mi
E
Northwood Elementary SchoolC-
Elementary · Grades PK–5 · 1.0 mi
M
Stadium SchoolF
Middle · Grades 6–8 · 1.2 mi

District: Baltimore City Public Schools

Neighborhood · ZIP 21218These 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.101
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
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.85%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.21%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.45,392
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.9,933 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$66,503
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$91,381
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

4003 Roundtop 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 83% of homes in Baltimore city County
  • Costs more per square foot than 86% of homes in Baltimore 21218
  • Bigger than 72% of homes in Baltimore city County
  • Has a bigger lot than 88% of homes in Baltimore 21218
  • Newer than 84% of homes in Baltimore 21218

What homes are worth in Baltimore 21218

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

This home
$43K$1.1M

This home is worth more than 81% of homes in Baltimore 21218.

How it measures up in Baltimore 21218

The dot is this home. The mark in the middle is the typical home in Baltimore 21218.

Estimated value$332,509
CheaperTypical $201,762Pricier

Pricier than 81% of homes nearby

Price per ft²$212
CheaperTypical $151Pricier

Pricier than 86% of homes nearby

Living area1,566 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 60% of homes nearby

Lot size4,165 ft²
SmallerTypical 1,830 ft²Bigger

Bigger than 88% of homes nearby

Year built1941
OlderTypical 1922Newer

Newer than 84% of homes nearby

How 4003 Roundtop Rd ranks against every home in each area.
MeasureThis homeOriginal NorthwoodBaltimore 21218Baltimore city County
Estimated valuepricier than$332,50966% of homes81% of homes83% of homes
Price per ft²pricier than$21271% of homes86% of homes77% of homes
Living areabigger than1,566 ft²61% of homes60% of homes72% of homes
Lot sizebigger than4,165 ft²24% of homes88% of homes80% of homes
Year builtnewer than194167% of homes84% of homes67% of homes

About 4003 Roundtop Rd

How much is 4003 Roundtop Rd, Baltimore, MD worth?

The TopHap Estimate for 4003 Roundtop Rd, Baltimore, MD is $332,509 as of Sep 24, 2026. The likely range is $315,984 to $349,034. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4003 Roundtop Rd, Baltimore, MD last sell?

4003 Roundtop Rd, Baltimore, MD last sold on Jul 1, 2003 for $189,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4003 Roundtop Rd, Baltimore, MD?

4003 Roundtop Rd, Baltimore, MD has 2 bathrooms, 1,566 square feet of living space and a 0.10-acre lot.

When was 4003 Roundtop Rd, Baltimore, MD built?

4003 Roundtop Rd, Baltimore, MD was built in 1941, making it 85 years old. It is a conventional home. The building has 2 stories.

What schools serve 4003 Roundtop Rd, Baltimore, MD?

4003 Roundtop Rd, Baltimore, MD is assigned to Mergenthaler Vocational-Technical High School (high), rated D-; Northwood Elementary School (elementary), rated C-; Stadium School (middle), rated F. All sit in Baltimore City Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4003 Roundtop Rd, Baltimore, MD compare to other homes in Baltimore 21218?

Among the 15,304 homes in Baltimore 21218, it is worth more than 81% of them ($332,509 against a typical $201,762), its price per square foot is higher than 86% of them ($212 against a typical $151), it is bigger than 60% of them (1,566 ft² against a typical 1,440 ft²), its lot is bigger than 88% of them (4,165 ft² against a typical 1,830 ft²) and it is newer than 84% of them (1941 against a typical 1922). Measured against all of Baltimore city County, it is worth more than 83% 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 4003 Roundtop Rd, Baltimore, MD?

The 2023 property tax bill for 4003 Roundtop Rd, Baltimore, MD was $5,343. The county assessed it at $257,000.

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