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Single Family ResidenceResidential
$452,315$183 / 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 96How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $374,900 on Apr 20, 2021

509 MIDDLE RIVER RD

BALTIMORE, MD 21220
3 / 1
Baths
2,477 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.
0.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1926
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$452K
$436K low$468K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$374,900 · Apr 20, 2021
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$96,160
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$76,928
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.78%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$356,155
COASTAL LENDING GROUP LLC · recorded Apr 20, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,750 (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.$434,100 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$383,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$484,300

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.0.31
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
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
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.Deck · 276 ft²Porch · 40 ft²

Transaction History(9)

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
Middle River Middle SchoolD-
Middle · Grades 6–8 · 0.4 mi
E
Victory Villa Elementary SchoolB-
Elementary · Grades PK–5 · 0.5 mi
H
Kenwood High SchoolD-
High · Grades 9–12 · 1.2 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21220These 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.107
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.95
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.48

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.20%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.18%
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.43,388
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,388 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$88,236
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$102,046
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.46 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

509 Middle River 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.

  • Worth more than 73% of homes in Middle River 21220
  • Costs less per square foot than 84% of homes in Baltimore County
  • Bigger than 89% of homes in Middle River 21220
  • Has a bigger lot than 82% of homes in Middle River 21220
  • Older than 98% of homes in Middle River 21220

What homes are worth in Middle River 21220

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

This home
$161K$859K

This home is worth more than 73% of homes in Middle River 21220.

How it measures up in Middle River 21220

The dot is this home. The mark in the middle is the typical home in Middle River 21220.

Estimated value$452,315
CheaperTypical $341,358Pricier

Pricier than 73% of homes nearby

Price per ft²$183
CheaperTypical $222Pricier

Pricier than 22% of homes nearby

Living area2,477 ft²
SmallerTypical 1,404 ft²Bigger

Bigger than 89% of homes nearby

Lot size0.31 ac
SmallerTypical 0.13 acBigger

Bigger than 82% of homes nearby

Year built1926
OlderTypical 1980Newer

Newer than 2% of homes nearby

How 509 Middle River Rd ranks against every home in each area.
MeasureThis homeMiddle River 21220Baltimore County
Estimated valuepricier than$452,31573% of homes69% of homes
Price per ft²pricier than$18322% of homes16% of homes
Living areabigger than2,477 ft²89% of homes85% of homes
Lot sizebigger than0.31 ac82% of homes75% of homes
Year builtnewer than19262% of homes5% of homes

About 509 Middle River Rd

How much is 509 Middle River Rd, Baltimore, MD worth?

The TopHap Estimate for 509 Middle River Rd, Baltimore, MD is $452,315 as of Jul 14, 2026. The likely range is $436,266 to $468,364. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Middle River Rd, Baltimore, MD last sell?

509 Middle River Rd, Baltimore, MD last sold on Apr 20, 2021 for $374,900, according to the county's recorded deed. TopHap holds 8 recorded sales for this parcel.

How big is 509 Middle River Rd, Baltimore, MD?

509 Middle River Rd, Baltimore, MD has 3 bathrooms, 2,477 square feet of living space and a 0.31-acre lot.

When was 509 Middle River Rd, Baltimore, MD built?

509 Middle River Rd, Baltimore, MD was built in 1926, making it 100 years old. It is a conventional home. The building has 2 stories.

What schools serve 509 Middle River Rd, Baltimore, MD?

509 Middle River Rd, Baltimore, MD is assigned to Middle River Middle School (middle), rated D-; Victory Villa Elementary School (elementary), rated B-; Kenwood 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 509 Middle River Rd, Baltimore, MD compare to other homes in Middle River 21220?

Among the 13,084 homes in Middle River 21220, it is worth more than 73% of them ($452,315 against a typical $341,358), its price per square foot is higher than 22% of them ($183 against a typical $222), it is bigger than 89% of them (2,477 ft² against a typical 1,404 ft²), its lot is bigger than 82% of them (0.31 ac against a typical 0.13 ac) and it is newer than 2% of them (1926 against a typical 1980). Measured against all of Baltimore County, it is worth more than 69% 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 509 Middle River Rd, Baltimore, MD?

The 2025 property tax bill for 509 Middle River Rd, Baltimore, MD was $5,750. The county assessed it at $434,100.

Closest homes

More homes in Baltimore 21220

Assigned schools

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