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Single Family ResidenceResidential
$321,581$276 / 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 $92,990 on Jan 11, 1988

4310 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.

Valuation

$322K
$296K low$347K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$92,990 · Jan 11, 1988
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.$321,581
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$257,265

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,762 (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.$251,733 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$230,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$294,400

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
PoolWhether the property has a pool, and what kind, such as in-ground.No

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 · 0.7 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.No

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

4310 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 74% of homes in Randallstown 21133
  • Costs more per square foot than 80% 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 26% 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$321,581
CheaperTypical $367,563Pricier

Pricier than 26% of homes nearby

Price per ft²$276
CheaperTypical $231Pricier

Pricier than 80% 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 62% of homes nearby

Year built1987
OlderTypical 1972Newer

Newer than 69% of homes nearby

How 4310 Mary Ridge Dr ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$321,58126% of homes40% of homes
Price per ft²pricier than$27680% of homes74% of homes
Living areabigger than1,164 ft²16% of homes25% of homes
Lot sizebigger than0.23 ac62% of homes65% of homes
Year builtnewer than198769% of homes72% of homes

About 4310 Mary Ridge Dr

How much is 4310 Mary Ridge Dr, Randallstown, MD worth?

The TopHap Estimate for 4310 Mary Ridge Dr, Randallstown, MD is $321,581 as of Jul 14, 2026. The likely range is $295,884 to $347,278. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4310 Mary Ridge Dr, Randallstown, MD last sell?

4310 Mary Ridge Dr, Randallstown, MD last sold on Jan 11, 1988 for $92,990, according to the county's recorded deed.

How big is 4310 Mary Ridge Dr, Randallstown, MD?

4310 Mary Ridge Dr, Randallstown, MD has 3 bathrooms, 1,164 square feet of living space and a 0.23-acre lot.

When was 4310 Mary Ridge Dr, Randallstown, MD built?

4310 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 4310 Mary Ridge Dr, Randallstown, MD?

4310 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 4310 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 26% of them ($321,581 against a typical $367,563), its price per square foot is higher than 80% of them ($276 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 62% 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 40% 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 4310 Mary Ridge Dr, Randallstown, MD?

The 2025 property tax bill for 4310 Mary Ridge Dr, Randallstown, MD was $3,762. The county assessed it at $251,733.

More homes on Mary Ridge Dr

Closest homes

More homes in Randallstown 21133

Assigned schools

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