Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$329,952$283 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $129,900 on Feb 28, 1996

4273 MARY RIDGE DR

RANDALLSTOWN, MD 21133
3 / 1
Baths
1,164 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.
0.2 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$330K
$299K low$361K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$129,900 · Feb 28, 1996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,120 (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.$272,100 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$250,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$316,100

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.Split Foyer
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.0.20
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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.Deck · 225 ft²

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

E
Winand Elementary SchoolB
Elementary · Grades EE–5 · 0.9 mi
H
Randallstown High SchoolD
High · Grades 9–12 · 1.4 mi
M
Northwest Academy of Health Sciences SchoolD+
Middle · Grades 6–8 · 1.5 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%

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

4273 Mary Ridge Dr 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 65% of homes in Randallstown 21133
  • Costs more per square foot than 88% of homes in Randallstown 21133
  • Smaller than 85% of homes in Randallstown 21133
  • Newer than 68% of homes in Baltimore County

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
$245K$695K

This home is worth more than 35% 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$329,952
CheaperTypical $362,150Pricier

Pricier than 35% of homes nearby

Price per ft²$283
CheaperTypical $226Pricier

Pricier than 88% of homes nearby

Living area1,164 ft²
SmallerTypical 1,561 ft²Bigger

Bigger than 15% of homes nearby

Lot size0.2 ac
SmallerTypical 0.2 acBigger

Bigger than 49% of homes nearby

Year built1984
OlderTypical 1972Newer

Newer than 63% of homes nearby

How 4273 Mary Ridge Dr ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$329,95235% of homes43% of homes
Price per ft²pricier than$28388% of homes79% of homes
Living areabigger than1,164 ft²15% of homes24% of homes
Lot sizebigger than0.2 ac49% of homes58% of homes
Year builtnewer than198463% of homes68% of homes

About 4273 Mary Ridge Dr

How much is 4273 Mary Ridge Dr, Randallstown, MD worth?

The TopHap Estimate for 4273 Mary Ridge Dr, Randallstown, MD is $329,952 as of Aug 30, 2026. The likely range is $299,007 to $360,897. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4273 Mary Ridge Dr, Randallstown, MD last sell?

4273 Mary Ridge Dr, Randallstown, MD last sold on Feb 28, 1996 for $129,900, according to the county's recorded deed.

How big is 4273 Mary Ridge Dr, Randallstown, MD?

4273 Mary Ridge Dr, Randallstown, MD has 3 bathrooms, 1,164 square feet of living space and a 0.20-acre lot.

When was 4273 Mary Ridge Dr, Randallstown, MD built?

4273 Mary Ridge Dr, Randallstown, MD was built in 1984, making it 42 years old. It is a split foyer home. The building has 1 story.

What schools serve 4273 Mary Ridge Dr, Randallstown, MD?

4273 Mary Ridge Dr, Randallstown, MD is assigned to Winand Elementary School (elementary), rated B; Randallstown High School (high), rated D; Northwest Academy of Health Sciences School (middle), rated D+. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4273 Mary Ridge Dr, Randallstown, MD compare to other homes in Randallstown 21133?

Among the 8,728 homes in Randallstown 21133, it is worth more than 35% of them ($329,952 against a typical $362,150), its price per square foot is higher than 88% of them ($283 against a typical $226), it is bigger than 15% of them (1,164 ft² against a typical 1,561 ft²), its lot is bigger than 49% of them (0.2 ac against a typical 0.2 ac) and it is newer than 63% of them (1984 against a typical 1972). Measured against all of Baltimore County, it is worth more than 43% 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 4273 Mary Ridge Dr, Randallstown, MD?

The 2025 property tax bill for 4273 Mary Ridge Dr, Randallstown, MD was $4,120. The county assessed it at $272,100.

More homes on Mary Ridge Dr

Closest homes

More homes in Randallstown 21133

Assigned schools

Explore the area

See this home in context

Open 4273 Mary Ridge Dr 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