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Single Family ResidenceResidential
$426,669$145 / 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 92How 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 $390,000 on Mar 7, 2014

4001 ROUNDTOP RD

BALTIMORE, MD 21218
3 / 1
Baths
2,938 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.
0.43 ac
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

$427K
$392K low$462K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$390,000 · Mar 7, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$9,238 (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.$451,800 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$79,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$372,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$426,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$451,800

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.0.43
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 · 334 ft²

Transaction History(4)

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 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%

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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

4001 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 98% of homes in Original Northwood
  • Costs less per square foot than 71% of homes in Original Northwood
  • Among the largest homes in Original Northwood
  • Among the largest lots in Original Northwood
  • 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
$87K$1.1M

This home is worth more than 89% 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$426,669
CheaperTypical $202,765Pricier

Pricier than 89% of homes nearby

Price per ft²$145
CheaperTypical $145Pricier

Pricier than 50% of homes nearby

Living area2,938 ft²
SmallerTypical 1,428 ft²Bigger

Bigger than 92% of homes nearby

Lot size0.43 ac
SmallerTypical 1,830 ft²Bigger

Bigger than almost all homes nearby

Year built1941
OlderTypical 1922Newer

Newer than 84% of homes nearby

How 4001 Roundtop Rd ranks against every home in each area.
MeasureThis homeOriginal NorthwoodBaltimore 21218Baltimore city County
Estimated valuepricier than$426,66998% of homes89% of homes90% of homes
Price per ft²pricier than$14529% of homes50% of homes43% of homes
Living areabigger than2,938 ft²almost all homes92% of homes96% of homes
Lot sizebigger than0.43 acalmost all homesalmost all homesalmost all homes
Year builtnewer than194168% of homes84% of homes67% of homes

About 4001 Roundtop Rd

How much is 4001 Roundtop Rd, Baltimore, MD worth?

The TopHap Estimate for 4001 Roundtop Rd, Baltimore, MD is $426,669 as of Jul 14, 2026. The likely range is $391,582 to $461,756. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4001 Roundtop Rd, Baltimore, MD last sell?

4001 Roundtop Rd, Baltimore, MD last sold on Mar 7, 2014 for $390,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4001 Roundtop Rd, Baltimore, MD?

4001 Roundtop Rd, Baltimore, MD has 3 bathrooms, 2,938 square feet of living space and a 0.43-acre lot.

When was 4001 Roundtop Rd, Baltimore, MD built?

4001 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 4001 Roundtop Rd, Baltimore, MD?

4001 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 4001 Roundtop Rd, Baltimore, MD compare to other homes in Baltimore 21218?

Among the 15,305 homes in Baltimore 21218, it is worth more than 89% of them ($426,669 against a typical $202,765), its price per square foot is higher than 50% of them ($145 against a typical $145), it is bigger than 92% of them (2,938 ft² against a typical 1,428 ft²), its lot is bigger than almost all of them (0.43 ac 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 90% 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 4001 Roundtop Rd, Baltimore, MD?

The 2023 property tax bill for 4001 Roundtop Rd, Baltimore, MD was $9,238. The county assessed it at $451,800.

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