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Single Family ResidenceResidential
$246,444$179 / 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 95How 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

521 MARYLAND AVE

BALTIMORE, MD 21221
1
Baths
1,375 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.
0.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1977
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$246K
$235K low$258K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,565 (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.$243,500 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$225,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$262,000

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.0.17
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
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.Deck · 300 ft²Porch · 65 ft²

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

E
Sussex Elementary SchoolD+
Elementary · Grades EE–5 · 0.4 mi
M
Deep Creek Middle SchoolC-
Middle · Grades 6–8 · 1.4 mi
H
Chesapeake High SchoolD+
High · Grades 9–12 · 3.1 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%

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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

521 Maryland 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 81% of homes in Baltimore County
  • Costs less per square foot than 84% of homes in Baltimore County
  • Newer than 67% 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
$137K$731K

This home is worth more than 37% 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$246,444
CheaperTypical $282,556Pricier

Pricier than 37% of homes nearby

Price per ft²$179
CheaperTypical $207Pricier

Pricier than 26% of homes nearby

Living area1,375 ft²
SmallerTypical 1,245 ft²Bigger

Bigger than 58% of homes nearby

Lot size0.17 ac
SmallerTypical 0.16 acBigger

Bigger than 56% of homes nearby

Year built1977
OlderTypical 1957Newer

Newer than 67% of homes nearby

How 521 Maryland Ave ranks against every home in each area.
MeasureThis homeEssex 21221Baltimore County
Estimated valuepricier than$246,44437% of homes19% of homes
Price per ft²pricier than$17926% of homes16% of homes
Living areabigger than1,375 ft²58% of homes43% of homes
Lot sizebigger than0.17 ac56% of homes50% of homes
Year builtnewer than197767% of homes60% of homes

About 521 Maryland Ave

How much is 521 Maryland Ave, Baltimore, MD worth?

The TopHap Estimate for 521 Maryland Ave, Baltimore, MD is $246,444 as of Aug 30, 2026. The likely range is $234,966 to $257,922. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 521 Maryland Ave, Baltimore, MD last sell?

521 Maryland Ave, Baltimore, MD last sold on Jul 26, 1979, according to the county's recorded deed.

How big is 521 Maryland Ave, Baltimore, MD?

521 Maryland Ave, Baltimore, MD has 1 bathrooms, 1,375 square feet of living space and a 0.17-acre lot.

When was 521 Maryland Ave, Baltimore, MD built?

521 Maryland Ave, Baltimore, MD was built in 1977, making it 49 years old. It is a conventional home. The building has 1 story.

What schools serve 521 Maryland Ave, Baltimore, MD?

521 Maryland Ave, Baltimore, MD is assigned to Sussex Elementary School (elementary), rated D+; Deep Creek Middle School (middle), rated C-; Chesapeake 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 521 Maryland Ave, Baltimore, MD compare to other homes in Essex 21221?

Among the 12,680 homes in Essex 21221, it is worth more than 37% of them ($246,444 against a typical $282,556), its price per square foot is higher than 26% of them ($179 against a typical $207), it is bigger than 58% of them (1,375 ft² against a typical 1,245 ft²), its lot is bigger than 56% of them (0.17 ac against a typical 0.16 ac) and it is newer than 67% of them (1977 against a typical 1957). Measured against all of Baltimore County, it is worth more than 19% 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 521 Maryland Ave, Baltimore, MD?

The 2025 property tax bill for 521 Maryland Ave, Baltimore, MD was $3,565. The county assessed it at $243,500.

More homes on Maryland Ave

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Assigned schools

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