Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$266,854$137 / 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 87How 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 $148,000 on Jun 29, 1995

4009 ROUNDTOP RD

BALTIMORE, MD 21218
1
Baths
1,950 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.
1938
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$267K
$232K low$302K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$148,000 · Jun 29, 1995

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,340 (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.$298,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$76,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$222,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$283,667
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$298,700

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 City
Lot (acres)The size of the land the home sits on, from county records.0.17
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, Detached
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.Porch · 96 ft²

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 SchoolC+
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%

Owner Tools

Do you own this home?
Claim this home

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

4009 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 71% of homes in Baltimore 21218
  • Costs less per square foot than 78% of homes in Original Northwood
  • Bigger than 85% of homes in Original Northwood
  • Has a bigger lot than 94% of homes in Baltimore 21218
  • Newer than 72% 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
$87K$1.1M

This home is worth more than 71% 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$266,854
CheaperTypical $202,765Pricier

Pricier than 71% of homes nearby

Price per ft²$137
CheaperTypical $145Pricier

Pricier than 43% of homes nearby

Living area1,950 ft²
SmallerTypical 1,428 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.17 ac
SmallerTypical 1,830 ft²Bigger

Bigger than 94% of homes nearby

Year built1938
OlderTypical 1922Newer

Newer than 72% of homes nearby

How 4009 Roundtop Rd ranks against every home in each area.
MeasureThis homeOriginal NorthwoodBaltimore 21218Baltimore city County
Estimated valuepricier than$266,85457% of homes71% of homes69% of homes
Price per ft²pricier than$13722% of homes43% of homes37% of homes
Living areabigger than1,950 ft²85% of homes76% of homes85% of homes
Lot sizebigger than0.17 ac69% of homes94% of homes90% of homes
Year builtnewer than193835% of homes72% of homes63% of homes

About 4009 Roundtop Rd

How much is 4009 Roundtop Rd, Baltimore, MD worth?

The TopHap Estimate for 4009 Roundtop Rd, Baltimore, MD is $266,854 as of Jul 14, 2026. The likely range is $231,636 to $302,072. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4009 Roundtop Rd, Baltimore, MD last sell?

4009 Roundtop Rd, Baltimore, MD last sold on Jun 29, 1995 for $148,000, according to the county's recorded deed.

How big is 4009 Roundtop Rd, Baltimore, MD?

4009 Roundtop Rd, Baltimore, MD has 1 bathrooms, 1,950 square feet of living space and a 0.17-acre lot.

When was 4009 Roundtop Rd, Baltimore, MD built?

4009 Roundtop Rd, Baltimore, MD was built in 1938, making it 88 years old. It is a conventional home. The building has 2 stories.

What schools serve 4009 Roundtop Rd, Baltimore, MD?

4009 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 C+. All sit in Baltimore City Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4009 Roundtop Rd, Baltimore, MD compare to other homes in Baltimore 21218?

Among the 15,305 homes in Baltimore 21218, it is worth more than 71% of them ($266,854 against a typical $202,765), its price per square foot is higher than 43% of them ($137 against a typical $145), it is bigger than 76% of them (1,950 ft² against a typical 1,428 ft²), its lot is bigger than 94% of them (0.17 ac against a typical 1,830 ft²) and it is newer than 72% of them (1938 against a typical 1922). Measured against all of Baltimore city County, it is worth more than 69% 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 4009 Roundtop Rd, Baltimore, MD?

The 2023 property tax bill for 4009 Roundtop Rd, Baltimore, MD was $6,340. The county assessed it at $298,700.

More homes on Roundtop Rd

Closest homes

More homes in Baltimore 21218

Assigned schools

Explore the area

See this home in context

Open 4009 Roundtop Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map