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TownhouseResidential
$130,736$82 / 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 81How 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
Last sold for $250,000 on Apr 13, 2026

100 PATAPSCO AVE

DUNDALK, MD 21222
2
Baths
1,591 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.
2,340 ft²
Lot SizeThe size of the land the home sits on, from county records.
1919
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$131K
$106K low$156K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$250,000 · Apr 13, 2026

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,586 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$125,500 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$113,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$137,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyBALTIMORE
Lot (acres)The size of the land the home sits on, from county records.0.05
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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 · 84 ft²

Transaction History(5)

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.

E
Dundalk Elementary SchoolD-
Elementary · Grades PK–5 · 0.4 mi
M
Dundalk Middle SchoolD
Middle · Grades 6–8 · 0.6 mi
H
Dundalk High SchoolF
High · Grades 9–12 · 0.7 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

100 Patapsco 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.

  • Among the least valuable homes in Baltimore County
  • Among the lowest price per square foot in Dundalk 21222
  • Bigger than 87% of homes in Dundalk 21222
  • Has a smaller lot than 78% of homes in Baltimore County
  • Older than 97% of homes in Dundalk 21222

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
$111K$448K

This home is worth more than 5% 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$130,736
CheaperTypical $203,671Pricier

Pricier than 5% of homes nearby

Price per ft²$82
CheaperTypical $177Pricier

Cheaper than almost all homes nearby

Living area1,591 ft²
SmallerTypical 1,120 ft²Bigger

Bigger than 87% of homes nearby

Lot size2,340 ft²
SmallerTypical 3,223 ft²Bigger

Bigger than 37% of homes nearby

Year built1919
OlderTypical 1952Newer

Newer than 3% of homes nearby

How 100 Patapsco Ave ranks against every home in each area.
MeasureThis homeDundalk 21222Baltimore County
Estimated valuepricier than$130,7365% of homesalmost no homes
Price per ft²pricier than$82almost no homesalmost no homes
Living areabigger than1,591 ft²87% of homes57% of homes
Lot sizebigger than2,340 ft²37% of homes22% of homes
Year builtnewer than19193% of homes3% of homes

About 100 Patapsco Ave

How much is 100 Patapsco Ave, Dundalk, MD worth?

The TopHap Estimate for 100 Patapsco Ave, Dundalk, MD is $130,736 as of Aug 30, 2026. The likely range is $105,947 to $155,525. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Patapsco Ave, Dundalk, MD last sell?

100 Patapsco Ave, Dundalk, MD last sold on Apr 13, 2026 for $250,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 100 Patapsco Ave, Dundalk, MD?

100 Patapsco Ave, Dundalk, MD has 2 bathrooms, 1,591 square feet of living space and a 0.05-acre lot.

When was 100 Patapsco Ave, Dundalk, MD built?

100 Patapsco Ave, Dundalk, MD was built in 1919, making it 107 years old. It is a townhouse home. The building has 2 stories.

What schools serve 100 Patapsco Ave, Dundalk, MD?

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

How does 100 Patapsco Ave, Dundalk, MD compare to other homes in Dundalk 21222?

Among the 18,817 homes in Dundalk 21222, it is worth more than 5% of them ($130,736 against a typical $203,671), its price per square foot is higher than almost none of them ($82 against a typical $177), it is bigger than 87% of them (1,591 ft² against a typical 1,120 ft²), its lot is bigger than 37% of them (2,340 ft² against a typical 3,223 ft²) and it is newer than 3% of them (1919 against a typical 1952). Measured against all of Baltimore County, it is worth more than almost no 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 100 Patapsco Ave, Dundalk, MD?

The 2024 property tax bill for 100 Patapsco Ave, Dundalk, MD was $2,586. The county assessed it at $125,500.

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