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Single Family ResidenceResidential
$261,108$257 / 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 $99,900 on Aug 26, 1994

9900 MARRIOTTSVILLE RD

RANDALLSTOWN, MD 21133
1
Baths
1,015 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1965
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$261K
$241K low$281K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$99,900 · Aug 26, 1994

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,556 (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.$204,933 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$190,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$233,000

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
Lot (acres)The size of the land the home sits on, from county records.0.26
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.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.Carport (Unspecified)
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 · 555 ft²Porch · 64 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Hernwood Elementary SchoolB-
Elementary · Grades PK–5 · 0.2 mi
M
Deer Park Middle SchoolD+
Middle · Grades 6–8 · 1.0 mi
H
New Town High SchoolC
High · Grades 9–12 · 2.1 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21133These 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.92
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 100.40

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.24%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.12%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.27,963
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,709 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,976
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,908
Average tempThe average temperature here across a full year.54°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

9900 Marriottsville 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 less than 96% of homes in Randallstown 21133
  • Costs more per square foot than 71% of homes in Randallstown 21133
  • Smaller than 97% of homes in Randallstown 21133
  • Has a bigger lot than 74% of homes in Randallstown 21133
  • Older than 68% of homes in Randallstown 21133

What homes are worth in Randallstown 21133

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

This home
$249K$669K

This home is worth more than 4% of homes in Randallstown 21133.

How it measures up in Randallstown 21133

The dot is this home. The mark in the middle is the typical home in Randallstown 21133.

Estimated value$261,108
CheaperTypical $368,417Pricier

Pricier than 4% of homes nearby

Price per ft²$257
CheaperTypical $229Pricier

Pricier than 71% of homes nearby

Living area1,015 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than 3% of homes nearby

Lot size0.26 ac
SmallerTypical 0.2 acBigger

Bigger than 74% of homes nearby

Year built1965
OlderTypical 1972Newer

Newer than 32% of homes nearby

How 9900 Marriottsville Rd ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$261,1084% of homes22% of homes
Price per ft²pricier than$25771% of homes65% of homes
Living areabigger than1,015 ft²3% of homes9% of homes
Lot sizebigger than0.26 ac74% of homes71% of homes
Year builtnewer than196532% of homes51% of homes

About 9900 Marriottsville Rd

How much is 9900 Marriottsville Rd, Randallstown, MD worth?

The TopHap Estimate for 9900 Marriottsville Rd, Randallstown, MD is $261,108 as of Jul 14, 2026. The likely range is $240,943 to $281,273. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9900 Marriottsville Rd, Randallstown, MD last sell?

9900 Marriottsville Rd, Randallstown, MD last sold on Aug 26, 1994 for $99,900, according to the county's recorded deed.

How big is 9900 Marriottsville Rd, Randallstown, MD?

9900 Marriottsville Rd, Randallstown, MD has 1 bathrooms, 1,015 square feet of living space and a 0.26-acre lot.

When was 9900 Marriottsville Rd, Randallstown, MD built?

9900 Marriottsville Rd, Randallstown, MD was built in 1965, making it 61 years old. It is a conventional home. The building has 1 story.

What schools serve 9900 Marriottsville Rd, Randallstown, MD?

9900 Marriottsville Rd, Randallstown, MD is assigned to Hernwood Elementary School (elementary), rated B-; Deer Park Middle School (middle), rated D+; New Town High School (high), rated C. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9900 Marriottsville Rd, Randallstown, MD compare to other homes in Randallstown 21133?

Among the 8,728 homes in Randallstown 21133, it is worth more than 4% of them ($261,108 against a typical $368,417), its price per square foot is higher than 71% of them ($257 against a typical $229), it is bigger than 3% of them (1,015 ft² against a typical 1,560 ft²), its lot is bigger than 74% of them (0.26 ac against a typical 0.2 ac) and it is newer than 32% of them (1965 against a typical 1972). Measured against all of Baltimore County, it is worth more than 22% 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 9900 Marriottsville Rd, Randallstown, MD?

The 2025 property tax bill for 9900 Marriottsville Rd, Randallstown, MD was $3,556. The county assessed it at $204,933.

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