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Single Family ResidenceResidential
$285,314$229 / 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 89How 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 $90,000 on Oct 8, 1993

3504 BAYER AVE

RANDALLSTOWN, MD 21133
1
Baths
1,248 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.
0.15 ac
Lot SizeThe size of the land the home sits on, from county records.
1928
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$285K
$255K low$316K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$90,000 · Oct 8, 1993
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.$204,352
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$163,482
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.29%
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.$55,962
ROCKET MORTGAGE LLC · recorded Oct 23, 2023
2nd 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.$25,000
PNC BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,494 (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.$175,333 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$156,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$213,600

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.0.15
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 · 90 ft²Porch · 250 ft²

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

E
Randallstown Elementary SchoolC
Elementary · Grades KG–5 · 0.1 mi
H
Randallstown High SchoolD
High · Grades 9–12 · 1.1 mi
M
Windsor Mill Middle SchoolC-
Middle · Grades 6–8 · 1.2 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21133These 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.92
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
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.24%
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.27,963
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,709 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$90,976
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,908
Average tempThe average temperature here across a full year.54°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

3504 Bayer 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 89% of homes in Randallstown 21133
  • Smaller than 77% of homes in Randallstown 21133
  • Has a smaller lot than 75% of homes in Randallstown 21133
  • Among the oldest homes in Randallstown 21133

What homes are worth in Randallstown 21133

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

This home
$252K$664K

This home is worth more than 11% of homes in Randallstown 21133.

How it measures up in Randallstown 21133

The dot is this home. The mark in the middle is the typical home in Randallstown 21133.

Estimated value$285,314
CheaperTypical $368,302Pricier

Pricier than 11% of homes nearby

Price per ft²$229
CheaperTypical $230Pricier

Pricier than 49% of homes nearby

Living area1,248 ft²
SmallerTypical 1,536 ft²Bigger

Bigger than 23% of homes nearby

Lot size0.15 ac
SmallerTypical 0.2 acBigger

Bigger than 25% of homes nearby

Year built1928
OlderTypical 1972Newer

Older than almost all homes nearby

How 3504 Bayer Ave ranks against every home in each area.
MeasureThis homeRandallstown 21133Baltimore County
Estimated valuepricier than$285,31411% of homes29% of homes
Price per ft²pricier than$22949% of homes46% of homes
Living areabigger than1,248 ft²23% of homes32% of homes
Lot sizebigger than0.15 ac25% of homes44% of homes
Year builtnewer than1928almost no homes6% of homes

About 3504 Bayer Ave

How much is 3504 Bayer Ave, Randallstown, MD worth?

The TopHap Estimate for 3504 Bayer Ave, Randallstown, MD is $285,314 as of Jul 14, 2026. The likely range is $254,515 to $316,113. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3504 Bayer Ave, Randallstown, MD last sell?

3504 Bayer Ave, Randallstown, MD last sold on Oct 8, 1993 for $90,000, according to the county's recorded deed.

How big is 3504 Bayer Ave, Randallstown, MD?

3504 Bayer Ave, Randallstown, MD has 1 bathrooms, 1,248 square feet of living space and a 0.15-acre lot.

When was 3504 Bayer Ave, Randallstown, MD built?

3504 Bayer Ave, Randallstown, MD was built in 1928, making it 98 years old. It is a conventional home. The building has 2 stories.

What schools serve 3504 Bayer Ave, Randallstown, MD?

3504 Bayer Ave, Randallstown, MD is assigned to Randallstown Elementary School (elementary), rated C; Randallstown High School (high), rated D; Windsor Mill 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 3504 Bayer Ave, Randallstown, MD compare to other homes in Randallstown 21133?

Among the 8,731 homes in Randallstown 21133, it is worth more than 11% of them ($285,314 against a typical $368,302), its price per square foot is higher than 49% of them ($229 against a typical $230), it is bigger than 23% of them (1,248 ft² against a typical 1,536 ft²), its lot is bigger than 25% of them (0.15 ac against a typical 0.2 ac) and it is newer than almost none of them (1928 against a typical 1972). Measured against all of Baltimore County, it is worth more than 29% 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 3504 Bayer Ave, Randallstown, MD?

The 2025 property tax bill for 3504 Bayer Ave, Randallstown, MD was $2,494. The county assessed it at $175,333.

Closest homes

More homes in Randallstown 21133

Assigned schools

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