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TownhouseResidential
$220,477$152 / 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 Sep 24, 2026

1644 ROUNDHILL RD

BALTIMORE, MD 21218
2 / 1
Baths
1,452 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.
2,817 ft²
Lot SizeThe size of the land the home sits on, from county records.
1942
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$220K
$203K low$238K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,495 (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.$166,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$30,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$136,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$157,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$166,700

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyBaltimore City
RoofThe main material covering the roof, such as asphalt shingle or tile.Builtup (layered Asphalt)
HeatingThe type of heating system in the home.Forced Air
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 · 80 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.

H
Mergenthaler Vocational-Technical High SchoolD-
High · Grades 9–12 · 0.4 mi
E
Northwood Elementary SchoolC-
Elementary · Grades PK–5 · 1.0 mi
M
Stadium SchoolF
Middle · Grades 6–8 · 1.3 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

1644 Roundhill 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 76% of homes in Hillen
  • Costs more per square foot than 77% of homes in Hillen
  • Bigger than 66% of homes in Hillen
  • Has a bigger lot than 79% of homes in Baltimore 21218
  • Newer than 87% 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 58% 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$220,477
CheaperTypical $201,762Pricier

Pricier than 58% of homes nearby

Price per ft²$152
CheaperTypical $151Pricier

Pricier than 51% of homes nearby

Living area1,452 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 52% of homes nearby

Lot size2,817 ft²
SmallerTypical 1,830 ft²Bigger

Bigger than 79% of homes nearby

Year built1942
OlderTypical 1922Newer

Newer than 87% of homes nearby

How 1644 Roundhill Rd ranks against every home in each area.
MeasureThis homeHillenBaltimore 21218Baltimore city County
Estimated valuepricier than$220,47776% of homes58% of homes60% of homes
Price per ft²pricier than$15277% of homes51% of homes50% of homes
Living areabigger than1,452 ft²66% of homes52% of homes66% of homes
Lot sizebigger than2,817 ft²72% of homes79% of homes73% of homes
Year builtnewer than194274% of homes87% of homes68% of homes

About 1644 Roundhill Rd

How much is 1644 Roundhill Rd, Baltimore, MD worth?

The TopHap Estimate for 1644 Roundhill Rd, Baltimore, MD is $220,477 as of Sep 24, 2026. The likely range is $202,660 to $238,294. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 1644 Roundhill Rd, Baltimore, MD?

1644 Roundhill Rd, Baltimore, MD has 2 bathrooms and 1,452 square feet of living space.

When was 1644 Roundhill Rd, Baltimore, MD built?

1644 Roundhill Rd, Baltimore, MD was built in 1942, making it 84 years old. It is a townhouse home. The building has 2 stories.

What schools serve 1644 Roundhill Rd, Baltimore, MD?

1644 Roundhill 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 1644 Roundhill Rd, Baltimore, MD compare to other homes in Baltimore 21218?

Among the 15,304 homes in Baltimore 21218, it is worth more than 58% of them ($220,477 against a typical $201,762), its price per square foot is higher than 51% of them ($152 against a typical $151), it is bigger than 52% of them (1,452 ft² against a typical 1,440 ft²), its lot is bigger than 79% of them (2,817 ft² against a typical 1,830 ft²) and it is newer than 87% of them (1942 against a typical 1922). Measured against all of Baltimore city County, it is worth more than 60% 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 1644 Roundhill Rd, Baltimore, MD?

The 2023 property tax bill for 1644 Roundhill Rd, Baltimore, MD was $3,495. The county assessed it at $166,700.

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Assigned schools

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