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Agricultural/Rural (General)Agriculture / Farming

LONG GREEN RD

GLEN ARM, MD 21057
3
Baths
3,540 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.
2.85 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$26 (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.$2,133 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,967
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Agricultural/Rural (General)
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.2.85
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
Carroll Manor Elementary SchoolA
Elementary · Grades KG–5 · 1.8 mi
H
Dulaney High SchoolA-
High · Grades 9–12 · 4.7 mi
M
Cockeysville Middle SchoolB
Middle · Grades 6–8 · 5.6 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21057These 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.74
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.47

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.31%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.8%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.4,918
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.295 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$156,114
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$167,405
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

Long Green 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.

  • Bigger than 95% of homes in Baltimore County
  • Has a bigger lot than 96% of homes in Baltimore County

How it measures up in Glen Arm 21057

The dot is this home. The mark in the middle is the typical home in Glen Arm 21057.

Living area3,540 ft²
SmallerTypical 2,376 ft²Bigger

Bigger than 87% of homes nearby

Lot size2.85 ac
SmallerTypical 1.51 acBigger

Bigger than 76% of homes nearby

Year built1968
OlderTypical 1968Newer

Newer than 50% of homes nearby

How Long Green Rd ranks against every home in each area.
MeasureThis homeGlen Arm 21057Baltimore County
Living areabigger than3,540 ft²87% of homes95% of homes
Lot sizebigger than2.85 ac76% of homes96% of homes
Year builtnewer than196850% of homes54% of homes

About Long Green Rd

When did Long Green Rd, Glen Arm, MD last sell?

Long Green Rd, Glen Arm, MD last sold on Mar 6, 2023, according to the county's recorded deed.

How big is Long Green Rd, Glen Arm, MD?

Long Green Rd, Glen Arm, MD has 3 bathrooms, 3,540 square feet of living space and a 2.85-acre lot.

When was Long Green Rd, Glen Arm, MD built?

Long Green Rd, Glen Arm, MD was built in 1968, making it 58 years old. The building has 2 stories.

What schools serve Long Green Rd, Glen Arm, MD?

Long Green Rd, Glen Arm, MD is assigned to Carroll Manor Elementary School (elementary), rated A; Dulaney High School (high), rated A-; Cockeysville 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 Long Green Rd, Glen Arm, MD compare to other homes in Glen Arm 21057?

Among the 1,461 homes in Glen Arm 21057, it is bigger than 87% of them (3,540 ft² against a typical 2,376 ft²), its lot is bigger than 76% of them (2.85 ac against a typical 1.51 ac) and it is newer than 50% of them (1968 against a typical 1968). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on Long Green Rd, Glen Arm, MD?

The 2025 property tax bill for Long Green Rd, Glen Arm, MD was $26. The county assessed it at $2,133.

More homes on Long Green Rd

Closest homes

More homes in Glen Arm 21057

Assigned schools

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