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Single Family ResidenceResidential
$669,652$326 / 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 94How 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 $535,000 on Aug 19, 2021

4320 FLORIO DR

PERRY HALL, MD 21128
2.5
Baths
2,054 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.
0.24 ac
Lot SizeThe size of the land the home sits on, from county records.
2003
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

$670K
$627K low$712K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$535,000 · Aug 19, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,042 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$472,967 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$437,833
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$508,100

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.0.24
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 504 ft²Porch · 168 ft²

Transaction History(3)

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
Honeygo Elementary SchoolA+
Elementary · Grades PK–5 · 0.6 mi
H
Perry Hall High SchoolC-
High · Grades 9–12 · 1.5 mi
M
Perry Hall Middle SchoolB
Middle · Grades 6–8 · 1.6 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21128These 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.67
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
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.98%
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.4.7%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.15,074
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,194 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$128,551
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$140,831
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

4320 Florio 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 88% of homes in Baltimore County
  • Costs more per square foot than 96% of homes in Perry Hall 21128
  • Bigger than 75% of homes in Baltimore County
  • Has a bigger lot than 69% of homes in Baltimore County
  • Newer than 91% of homes in Baltimore County

What homes are worth in Perry Hall 21128

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

This home
$251K$869K

This home is worth more than 78% of homes in Perry Hall 21128.

How it measures up in Perry Hall 21128

The dot is this home. The mark in the middle is the typical home in Perry Hall 21128.

Estimated value$669,652
CheaperTypical $439,745Pricier

Pricier than 78% of homes nearby

Price per ft²$326
CheaperTypical $233Pricier

Pricier than 96% of homes nearby

Living area2,054 ft²
SmallerTypical 1,851 ft²Bigger

Bigger than 55% of homes nearby

Lot size0.24 ac
SmallerTypical 0.2 acBigger

Bigger than 64% of homes nearby

Year built2003
OlderTypical 2001Newer

Newer than 66% of homes nearby

How 4320 Florio Dr ranks against every home in each area.
MeasureThis homePerry Hall 21128Baltimore County
Estimated valuepricier than$669,65278% of homes88% of homes
Price per ft²pricier than$32696% of homes91% of homes
Living areabigger than2,054 ft²55% of homes75% of homes
Lot sizebigger than0.24 ac64% of homes69% of homes
Year builtnewer than200366% of homes91% of homes

About 4320 Florio Dr

How much is 4320 Florio Dr, Perry Hall, MD worth?

The TopHap Estimate for 4320 Florio Dr, Perry Hall, MD is $669,652 as of Sep 24, 2026. The likely range is $626,902 to $712,402. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4320 Florio Dr, Perry Hall, MD last sell?

4320 Florio Dr, Perry Hall, MD last sold on Aug 19, 2021 for $535,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 4320 Florio Dr, Perry Hall, MD?

4320 Florio Dr, Perry Hall, MD has 2.5 bathrooms, 2,054 square feet of living space and a 0.24-acre lot.

When was 4320 Florio Dr, Perry Hall, MD built?

4320 Florio Dr, Perry Hall, MD was built in 2003, making it 23 years old. It is a conventional home. The building has 2 stories.

What schools serve 4320 Florio Dr, Perry Hall, MD?

4320 Florio Dr, Perry Hall, MD is assigned to Honeygo Elementary School (elementary), rated A+; Perry Hall High School (high), rated C-; Perry Hall Middle School (middle), rated B. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4320 Florio Dr, Perry Hall, MD compare to other homes in Perry Hall 21128?

Among the 5,539 homes in Perry Hall 21128, it is worth more than 78% of them ($669,652 against a typical $439,745), its price per square foot is higher than 96% of them ($326 against a typical $233), it is bigger than 55% of them (2,054 ft² against a typical 1,851 ft²), its lot is bigger than 64% of them (0.24 ac against a typical 0.2 ac) and it is newer than 66% of them (2003 against a typical 2001). Measured against all of Baltimore County, it is worth more than 88% 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 4320 Florio Dr, Perry Hall, MD?

The 2024 property tax bill for 4320 Florio Dr, Perry Hall, MD was $7,042. The county assessed it at $472,967.

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