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Single Family ResidenceResidential
$1,435,809$294 / 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
Last sold for $1,300,000 on Oct 6, 2021

12 DEEP RUN CT

COCKEYSVILLE, MD 21030
6 / 1
Baths
4,880 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.
4.97 ac
Lot SizeThe size of the land the home sits on, from county records.
1999
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.4M
$1.4M low$1.5M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,300,000 · Oct 6, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,289 (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.$1,009,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$419,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$589,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,009,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,009,000

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.minimal

Scores 0–100; higher = greater projected risk.

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.4.97
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.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.Tennis courtDeck · 280 ft²

Transaction History(6)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(2)

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

E
Mays Chapel Elementary SchoolA
Elementary · Grades EE–5 · 1.4 mi
H
Dulaney High SchoolA-
High · Grades 9–12 · 4.4 mi
M
Ridgely Middle SchoolB+
Middle · Grades 6–8 · 4.8 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%

Owner Tools

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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

12 Deep Run 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.

  • Among the most valuable homes in Baltimore County
  • Costs more per square foot than 82% of homes in Baltimore County
  • Among the largest homes in Baltimore County
  • Has a bigger lot than 98% of homes in Baltimore County
  • Newer than 91% 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
$186K$1.9M

This home is worth more than 93% 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$1,435,809
CheaperTypical $524,999Pricier

Pricier than 93% of homes nearby

Price per ft²$294
CheaperTypical $275Pricier

Pricier than 65% of homes nearby

Living area4,880 ft²
SmallerTypical 1,905 ft²Bigger

Bigger than 94% of homes nearby

Lot size4.97 ac
SmallerTypical 0.22 acBigger

Bigger than 96% of homes nearby

Year built1999
OlderTypical 1981Newer

Newer than 91% of homes nearby

How 12 Deep Run Ct ranks against every home in each area.
MeasureThis homeCockeysville 21030Baltimore County
Estimated valuepricier than$1,435,80993% of homesalmost all homes
Price per ft²pricier than$29465% of homes82% of homes
Living areabigger than4,880 ft²94% of homesalmost all homes
Lot sizebigger than4.97 ac96% of homes98% of homes
Year builtnewer than199991% of homes87% of homes

About 12 Deep Run Ct

How much is 12 Deep Run Ct, Cockeysville, MD worth?

The TopHap Estimate for 12 Deep Run Ct, Cockeysville, MD is $1,435,809 as of Jul 14, 2026. The likely range is $1,373,774 to $1,497,844. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Deep Run Ct, Cockeysville, MD last sell?

12 Deep Run Ct, Cockeysville, MD last sold on Oct 6, 2021 for $1,300,000, according to the county's recorded deed. TopHap holds 5 recorded sales for this parcel.

How big is 12 Deep Run Ct, Cockeysville, MD?

12 Deep Run Ct, Cockeysville, MD has 6 bathrooms, 4,880 square feet of living space and a 4.97-acre lot.

When was 12 Deep Run Ct, Cockeysville, MD built?

12 Deep Run Ct, Cockeysville, MD was built in 1999, making it 27 years old. It is a conventional home. The building has 2 stories.

What schools serve 12 Deep Run Ct, Cockeysville, MD?

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

How does 12 Deep Run Ct, Cockeysville, MD compare to other homes in Cockeysville 21030?

Among the 5,821 homes in Cockeysville 21030, it is worth more than 93% of them ($1,435,809 against a typical $524,999), its price per square foot is higher than 65% of them ($294 against a typical $275), it is bigger than 94% of them (4,880 ft² against a typical 1,905 ft²), its lot is bigger than 96% of them (4.97 ac against a typical 0.22 ac) and it is newer than 91% of them (1999 against a typical 1981). Measured against all of Baltimore County, it is worth more than almost all 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 12 Deep Run Ct, Cockeysville, MD?

The 2025 property tax bill for 12 Deep Run Ct, Cockeysville, MD was $12,289. The county assessed it at $1,009,000.

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