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Single Family ResidenceResidential
$202,617$208 / 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 94How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $144,000 on Aug 8, 2018

7300 MARTELL AVE

BALTIMORE, MD 21222
1
Baths
972 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.
0.14 ac
Lot SizeThe size of the land the home sits on, from county records.
1939
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$203K
$191K low$214K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$144,000 · Aug 8, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,160 (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.$135,800 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$126,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$144,800

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.0.14
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, Detached
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.Porch · 96 ft²

Transaction History(3)

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
Holabird Middle SchoolF
Middle · Grades 4–8 · 0.4 mi
H
Dundalk High SchoolF
High · Grades 9–12 · 0.4 mi
E
Norwood Elementary SchoolD+
Elementary · Grades PK–3 · 0.4 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21222These 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.129
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.11%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.21%
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.58,903
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,434 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$63,807
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$81,684
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%

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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

7300 Martell Ave 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 90% of homes in Baltimore County
  • Costs more per square foot than 76% of homes in Dundalk 21222
  • Smaller than 93% of homes in Baltimore County
  • Has a bigger lot than 73% of homes in Dundalk 21222
  • Older than 91% of homes in Baltimore County

What homes are worth in Dundalk 21222

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

This home
$114K$456K

This home is worth more than 49% of homes in Dundalk 21222.

How it measures up in Dundalk 21222

The dot is this home. The mark in the middle is the typical home in Dundalk 21222.

Estimated value$202,617
CheaperTypical $204,200Pricier

Pricier than 49% of homes nearby

Price per ft²$208
CheaperTypical $178Pricier

Pricier than 76% of homes nearby

Living area972 ft²
SmallerTypical 1,125 ft²Bigger

Bigger than 18% of homes nearby

Lot size0.14 ac
SmallerTypical 3,180 ft²Bigger

Bigger than 73% of homes nearby

Year built1939
OlderTypical 1952Newer

Newer than 16% of homes nearby

How 7300 Martell Ave ranks against every home in each area.
MeasureThis homeDundalk 21222Baltimore County
Estimated valuepricier than$202,61749% of homes10% of homes
Price per ft²pricier than$20876% of homes34% of homes
Living areabigger than972 ft²18% of homes7% of homes
Lot sizebigger than0.14 ac73% of homes39% of homes
Year builtnewer than193916% of homes9% of homes

About 7300 Martell Ave

How much is 7300 Martell Ave, Baltimore, MD worth?

The TopHap Estimate for 7300 Martell Ave, Baltimore, MD is $202,617 as of Sep 24, 2026. The likely range is $191,093 to $214,141. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 7300 Martell Ave, Baltimore, MD last sell?

7300 Martell Ave, Baltimore, MD last sold on Aug 8, 2018 for $144,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 7300 Martell Ave, Baltimore, MD?

7300 Martell Ave, Baltimore, MD has 1 bathrooms, 972 square feet of living space and a 0.14-acre lot.

When was 7300 Martell Ave, Baltimore, MD built?

7300 Martell Ave, Baltimore, MD was built in 1939, making it 87 years old. It is a conventional home. The building has 1 story.

What schools serve 7300 Martell Ave, Baltimore, MD?

7300 Martell Ave, Baltimore, MD is assigned to Holabird Middle School (middle), rated F; Dundalk High School (high), rated F; Norwood Elementary School (elementary), rated D+. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 7300 Martell Ave, Baltimore, MD compare to other homes in Dundalk 21222?

Among the 18,827 homes in Dundalk 21222, it is worth more than 49% of them ($202,617 against a typical $204,200), its price per square foot is higher than 76% of them ($208 against a typical $178), it is bigger than 18% of them (972 ft² against a typical 1,125 ft²), its lot is bigger than 73% of them (0.14 ac against a typical 3,180 ft²) and it is newer than 16% of them (1939 against a typical 1952). Measured against all of Baltimore County, it is worth more than 10% 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 7300 Martell Ave, Baltimore, MD?

The 2025 property tax bill for 7300 Martell Ave, Baltimore, MD was $2,160. The county assessed it at $135,800.

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