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Single Family ResidenceResidential
$647,701$277 / 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 Aug 30, 2026

3 TWINLEAF CT

COCKEYSVILLE, MD 21030
3 / 1
Baths
2,339 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.
0.19 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$648K
$620K low$675K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,176 (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.$511,700 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$176,200
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$335,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$492,867
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$511,700

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.0.19
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, Attached
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 · 308 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.

M
Cockeysville Middle SchoolB
Middle · Grades 6–8 · 2.2 mi
H
Dulaney High SchoolA-
High · Grades 9–12 · 3.3 mi
E
Jacksonville Elementary SchoolA
Elementary · Grades KG–5 · 4.3 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21030These 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.104
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 100.44

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.36%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.10.0%
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.23,257
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.928 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$104,114
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$136,724
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

3 Twinleaf Ct 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 87% of homes in Baltimore County
  • Costs more per square foot than 76% of homes in Baltimore County
  • Bigger than 82% of homes in Baltimore County
  • Newer than 78% of homes in Cockeysville 21030

What homes are worth in Cockeysville 21030

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

This home
$183K$1.7M

This home is worth more than 66% of homes in Cockeysville 21030.

How it measures up in Cockeysville 21030

The dot is this home. The mark in the middle is the typical home in Cockeysville 21030.

Estimated value$647,701
CheaperTypical $520,098Pricier

Pricier than 66% of homes nearby

Price per ft²$277
CheaperTypical $271Pricier

Pricier than 55% of homes nearby

Living area2,339 ft²
SmallerTypical 1,912 ft²Bigger

Bigger than 65% of homes nearby

Lot size0.19 ac
SmallerTypical 0.23 acBigger

Bigger than 40% of homes nearby

Year built1991
OlderTypical 1981Newer

Newer than 78% of homes nearby

How 3 Twinleaf Ct ranks against every home in each area.
MeasureThis homeCockeysville 21030Baltimore County
Estimated valuepricier than$647,70166% of homes87% of homes
Price per ft²pricier than$27755% of homes76% of homes
Living areabigger than2,339 ft²65% of homes82% of homes
Lot sizebigger than0.19 ac40% of homes57% of homes
Year builtnewer than199178% of homes78% of homes

About 3 Twinleaf Ct

How much is 3 Twinleaf Ct, Cockeysville, MD worth?

The TopHap Estimate for 3 Twinleaf Ct, Cockeysville, MD is $647,701 as of Aug 30, 2026. The likely range is $620,352 to $675,050. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 3 Twinleaf Ct, Cockeysville, MD?

3 Twinleaf Ct, Cockeysville, MD has 3 bathrooms, 2,339 square feet of living space and a 0.19-acre lot.

When was 3 Twinleaf Ct, Cockeysville, MD built?

3 Twinleaf Ct, Cockeysville, MD was built in 1991, making it 35 years old. It is a conventional home. The building has 2 stories.

What schools serve 3 Twinleaf Ct, Cockeysville, MD?

3 Twinleaf Ct, Cockeysville, MD is assigned to Cockeysville Middle School (middle), rated B; Dulaney High School (high), rated A-; Jacksonville Elementary School (elementary), rated A. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3 Twinleaf Ct, Cockeysville, MD compare to other homes in Cockeysville 21030?

Among the 5,822 homes in Cockeysville 21030, it is worth more than 66% of them ($647,701 against a typical $520,098), its price per square foot is higher than 55% of them ($277 against a typical $271), it is bigger than 65% of them (2,339 ft² against a typical 1,912 ft²), its lot is bigger than 40% of them (0.19 ac against a typical 0.23 ac) and it is newer than 78% of them (1991 against a typical 1981). Measured against all of Baltimore County, it is worth more than 87% 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 3 Twinleaf Ct, Cockeysville, MD?

The 2025 property tax bill for 3 Twinleaf Ct, Cockeysville, MD was $7,176. The county assessed it at $511,700.

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Assigned schools

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