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Single Family ResidenceResidential
$385,508$282 / 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 90How 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 $34,500 on Mar 28, 1977

51 N PROSPECT AVE

BALTIMORE, MD 21228
1
Baths
1,365 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.
0.12 ac
Lot SizeThe size of the land the home sits on, from county records.
1930
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$386K
$346K low$425K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$34,500 · Mar 28, 1977

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,752 (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.$243,300 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$238,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$252,500

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.0.12
HeatingThe type of heating system in the home.Yes
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 · 72 ft²Porch · 176 ft²

Transaction History(1)

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
Westowne Elementary SchoolB+
Elementary · Grades EE–5 · 0.7 mi
H
Catonsville High SchoolA-
High · Grades 9–12 · 1.4 mi
M
Arbutus Middle SchoolC+
Middle · Grades 6–8 · 2.1 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21228These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
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.50,431
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,282 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,332
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$127,045
Average tempThe average temperature here across a full year.55°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

51 N Prospect 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 66% of homes in Catonsville 21228
  • Costs more per square foot than 79% of homes in Baltimore County
  • Has a smaller lot than 74% of homes in Catonsville 21228
  • Older than 93% of homes in Baltimore County

What homes are worth in Catonsville 21228

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

This home
$246K$857K

This home is worth more than 34% of homes in Catonsville 21228.

How it measures up in Catonsville 21228

The dot is this home. The mark in the middle is the typical home in Catonsville 21228.

Estimated value$385,508
CheaperTypical $434,000Pricier

Pricier than 34% of homes nearby

Price per ft²$282
CheaperTypical $274Pricier

Pricier than 57% of homes nearby

Living area1,365 ft²
SmallerTypical 1,508 ft²Bigger

Bigger than 38% of homes nearby

Lot size0.12 ac
SmallerTypical 0.18 acBigger

Bigger than 26% of homes nearby

Year built1930
OlderTypical 1958Newer

Newer than 13% of homes nearby

How 51 N Prospect Ave ranks against every home in each area.
MeasureThis homeCatonsville 21228Baltimore County
Estimated valuepricier than$385,50834% of homes57% of homes
Price per ft²pricier than$28257% of homes79% of homes
Living areabigger than1,365 ft²38% of homes42% of homes
Lot sizebigger than0.12 ac26% of homes36% of homes
Year builtnewer than193013% of homes7% of homes

About 51 N Prospect Ave

How much is 51 N Prospect Ave, Baltimore, MD worth?

The TopHap Estimate for 51 N Prospect Ave, Baltimore, MD is $385,508 as of Sep 24, 2026. The likely range is $346,324 to $424,692. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 51 N Prospect Ave, Baltimore, MD last sell?

51 N Prospect Ave, Baltimore, MD last sold on Mar 28, 1977 for $34,500, according to the county's recorded deed.

How big is 51 N Prospect Ave, Baltimore, MD?

51 N Prospect Ave, Baltimore, MD has 1 bathrooms, 1,365 square feet of living space and a 0.12-acre lot.

When was 51 N Prospect Ave, Baltimore, MD built?

51 N Prospect Ave, Baltimore, MD was built in 1930, making it 96 years old. It is a conventional home. The building has 2 stories.

What schools serve 51 N Prospect Ave, Baltimore, MD?

51 N Prospect Ave, Baltimore, MD is assigned to Westowne Elementary School (elementary), rated B+; Catonsville High School (high), rated A-; Arbutus Middle School (middle), rated C+. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 51 N Prospect Ave, Baltimore, MD compare to other homes in Catonsville 21228?

Among the 15,172 homes in Catonsville 21228, it is worth more than 34% of them ($385,508 against a typical $434,000), its price per square foot is higher than 57% of them ($282 against a typical $274), it is bigger than 38% of them (1,365 ft² against a typical 1,508 ft²), its lot is bigger than 26% of them (0.12 ac against a typical 0.18 ac) and it is newer than 13% of them (1930 against a typical 1958). Measured against all of Baltimore County, it is worth more than 57% 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 51 N Prospect Ave, Baltimore, MD?

The 2025 property tax bill for 51 N Prospect Ave, Baltimore, MD was $3,752. The county assessed it at $243,300.

More homes on N Prospect Ave

Closest homes

More homes in Baltimore 21228

Assigned schools

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