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Single Family ResidenceResidential
$627,990$319 / 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 91How 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 $125,000 on Sep 9, 1996

3531 BAY DR

BALTIMORE, MD 21220
1
Baths
1,968 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.
0.26 ac
Lot SizeThe size of the land the home sits on, from county records.
1937
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

$628K
$571K low$685K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$125,000 · Sep 9, 1996

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,399 (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.$457,567 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$403,333
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$511,800

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.27 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.52%
FEMA Flood ZoneFEMA's flood zone for this address. Zones starting with A or V are high risk, and lenders usually require flood insurance there.1 percent coastal flood zone

Scores 0–100; higher = greater projected risk.

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.0.26
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
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

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

E
Seneca Elementary SchoolD
Elementary · Grades PK–5 · 2.2 mi
M
Stemmers Run Middle SchoolD
Middle · Grades 6–8 · 4.3 mi
H
Kenwood High SchoolD
High · Grades 9–12 · 4.7 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%

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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

3531 Bay Dr 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 91% of homes in Middle River 21220
  • Costs more per square foot than 90% of homes in Middle River 21220
  • Bigger than 73% of homes in Middle River 21220
  • Has a bigger lot than 78% of homes in Middle River 21220
  • Older than 95% 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
$153K$849K

This home is worth more than 91% 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$627,990
CheaperTypical $333,563Pricier

Pricier than 91% of homes nearby

Price per ft²$319
CheaperTypical $215Pricier

Pricier than 90% of homes nearby

Living area1,968 ft²
SmallerTypical 1,440 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.26 ac
SmallerTypical 0.13 acBigger

Bigger than 78% of homes nearby

Year built1937
OlderTypical 1980Newer

Newer than 5% of homes nearby

How 3531 Bay Dr ranks against every home in each area.
MeasureThis homeMiddle River 21220Baltimore County
Estimated valuepricier than$627,99091% of homes86% of homes
Price per ft²pricier than$31990% of homes89% of homes
Living areabigger than1,968 ft²73% of homes73% of homes
Lot sizebigger than0.26 ac78% of homes71% of homes
Year builtnewer than19375% of homes8% of homes

About 3531 Bay Dr

How much is 3531 Bay Dr, Baltimore, MD worth?

The TopHap Estimate for 3531 Bay Dr, Baltimore, MD is $627,990 as of Sep 24, 2026. The likely range is $570,691 to $685,289. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3531 Bay Dr, Baltimore, MD last sell?

3531 Bay Dr, Baltimore, MD last sold on Sep 9, 1996 for $125,000, according to the county's recorded deed.

How big is 3531 Bay Dr, Baltimore, MD?

3531 Bay Dr, Baltimore, MD has 1 bathrooms, 1,968 square feet of living space and a 0.26-acre lot.

When was 3531 Bay Dr, Baltimore, MD built?

3531 Bay Dr, Baltimore, MD was built in 1937, making it 89 years old. It is a conventional home. The building has 2 stories.

What schools serve 3531 Bay Dr, Baltimore, MD?

3531 Bay Dr, Baltimore, MD is assigned to Seneca Elementary School (elementary), rated D; Stemmers Run Middle School (middle), rated D; 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 3531 Bay Dr, Baltimore, MD compare to other homes in Middle River 21220?

Among the 13,114 homes in Middle River 21220, it is worth more than 91% of them ($627,990 against a typical $333,563), its price per square foot is higher than 90% of them ($319 against a typical $215), it is bigger than 73% of them (1,968 ft² against a typical 1,440 ft²), its lot is bigger than 78% of them (0.26 ac against a typical 0.13 ac) and it is newer than 5% of them (1937 against a typical 1980). Measured against all of Baltimore County, it is worth more than 86% 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 3531 Bay Dr, Baltimore, MD?

The 2025 property tax bill for 3531 Bay Dr, Baltimore, MD was $6,399. The county assessed it at $457,567.

More homes on Bay Dr

Closest homes

More homes in Baltimore 21220

Assigned schools

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