Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$236,875
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 85How 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

MARS RUN RD

BALTIMORE, MD 21221
0
Baths
0.57 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$237K
$201K low$273K 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.$236,875
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$189,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Residential (General/Single)
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.0.57
HeatingThe type of heating system in the home.None
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
Middlesex Elementary SchoolD-
Elementary · Grades EE–5 · 0.5 mi
M
Stemmers Run Middle SchoolD
Middle · Grades 6–8 · 0.8 mi
H
Kenwood High SchoolD-
High · Grades 9–12 · 1.0 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21221These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
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.94%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.12%
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.42,396
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,898 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$76,330
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$89,410
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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.Absentee owner
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

Mars Run Rd 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 84% of homes in Baltimore County
  • Has a bigger lot than 93% of homes in Essex 21221

What homes are worth in Essex 21221

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

This home
$143K$734K

This home is worth more than 33% of homes in Essex 21221.

How it measures up in Essex 21221

The dot is this home. The mark in the middle is the typical home in Essex 21221.

Estimated value$236,875
CheaperTypical $283,843Pricier

Pricier than 33% of homes nearby

Lot size0.57 ac
SmallerTypical 0.16 acBigger

Bigger than 93% of homes nearby

How Mars Run Rd ranks against every home in each area.
MeasureThis homeEssex 21221Baltimore County
Estimated valuepricier than$236,87533% of homes16% of homes
Lot sizebigger than0.57 ac93% of homes84% of homes

About Mars Run Rd

How much is Mars Run Rd, Baltimore, MD worth?

The TopHap Estimate for Mars Run Rd, Baltimore, MD is $236,875 as of Jul 14, 2026. The likely range is $200,568 to $273,182. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Mars Run Rd, Baltimore, MD last sell?

Mars Run Rd, Baltimore, MD last sold on Jun 17, 2005, according to the county's recorded deed.

What schools serve Mars Run Rd, Baltimore, MD?

Mars Run Rd, Baltimore, MD is assigned to Middlesex Elementary School (elementary), rated D-; Stemmers Run Middle School (middle), rated D; Kenwood 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 Mars Run Rd, Baltimore, MD compare to other homes in Essex 21221?

Among the 12,678 homes in Essex 21221, it is worth more than 33% of them ($236,875 against a typical $283,843) and its lot is bigger than 93% of them (0.57 ac against a typical 0.16 ac). Measured against all of Baltimore County, it is worth more than 16% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

Closest homes

More homes in Baltimore 21221

Assigned schools

Explore the area

See this home in context

Open Mars Run Rd 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