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Single Family ResidenceResidential
$383,615$330 / 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 96How 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

4306 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.
0.23 ac
Lot SizeThe size of the land the home sits on, from county records.
1987
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

$384K
$367K low$400K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$158,615
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$126,892
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.58%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$225,000
CARDINAL FINANCIAL COMPANY LP · recorded Feb 22, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,492 (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.$284,633 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$260,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$332,100

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.0.23
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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 · 132 ft²Patio · 144 ft²

Transaction History(2)

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.

E
Winand Elementary SchoolB
Elementary · Grades EE–5 · 0.8 mi
M
Northwest Academy of Health Sciences SchoolD+
Middle · Grades 6–8 · 1.3 mi
H
Randallstown High SchoolD
High · Grades 9–12 · 1.6 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

4306 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.

  • Costs more per square foot than 94% of homes in Randallstown 21133
  • Smaller than 84% of homes in Randallstown 21133
  • Has a bigger lot than 65% of homes in Baltimore County
  • Newer than 72% 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
$250K$668K

This home is worth more than 59% 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$383,615
CheaperTypical $367,563Pricier

Pricier than 59% of homes nearby

Price per ft²$330
CheaperTypical $231Pricier

Pricier than 94% of homes nearby

Living area1,164 ft²
SmallerTypical 1,532 ft²Bigger

Bigger than 16% of homes nearby

Lot size0.23 ac
SmallerTypical 0.2 acBigger

Bigger than 63% of homes nearby

Year built1987
OlderTypical 1972Newer

Newer than 69% of homes nearby

How 4306 Mary Ridge Dr ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$383,61559% of homes56% of homes
Price per ft²pricier than$33094% of homes91% of homes
Living areabigger than1,164 ft²16% of homes25% of homes
Lot sizebigger than0.23 ac63% of homes65% of homes
Year builtnewer than198769% of homes72% of homes

About 4306 Mary Ridge Dr

How much is 4306 Mary Ridge Dr, Randallstown, MD worth?

The TopHap Estimate for 4306 Mary Ridge Dr, Randallstown, MD is $383,615 as of Jul 14, 2026. The likely range is $367,235 to $399,995. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 4306 Mary Ridge Dr, Randallstown, MD?

4306 Mary Ridge Dr, Randallstown, MD has 3 bathrooms, 1,164 square feet of living space and a 0.23-acre lot.

When was 4306 Mary Ridge Dr, Randallstown, MD built?

4306 Mary Ridge Dr, Randallstown, MD was built in 1987, making it 39 years old. It is a split foyer home. The building has 1 story.

What schools serve 4306 Mary Ridge Dr, Randallstown, MD?

4306 Mary Ridge Dr, Randallstown, MD is assigned to Winand Elementary School (elementary), rated B; Northwest Academy of Health Sciences School (middle), rated D+; Randallstown High School (high), rated D. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4306 Mary Ridge Dr, Randallstown, MD compare to other homes in Randallstown 21133?

Among the 8,735 homes in Randallstown 21133, it is worth more than 59% of them ($383,615 against a typical $367,563), its price per square foot is higher than 94% of them ($330 against a typical $231), it is bigger than 16% of them (1,164 ft² against a typical 1,532 ft²), its lot is bigger than 63% of them (0.23 ac against a typical 0.2 ac) and it is newer than 69% of them (1987 against a typical 1972). Measured against all of Baltimore County, it is worth more than 56% 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 4306 Mary Ridge Dr, Randallstown, MD?

The 2025 property tax bill for 4306 Mary Ridge Dr, Randallstown, MD was $4,492. The county assessed it at $284,633.

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Assigned schools

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