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Single Family ResidenceResidential
$520,439$393 / 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 87How 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

4820 RIVERSIDE DR

GALESVILLE, MD 20765
2
Baths
1,323 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.
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.
1940
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$520K
$450K low$590K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,806 (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.$399,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$249,400
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$149,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$377,167
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$399,300

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.27
100
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
26
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
9
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.60 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.64%
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 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
CountyANNE ARUNDEL
Lot (acres)The size of the land the home sits on, from county records.0.29
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
CoolingThe type of cooling or air conditioning in the home.Yes
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Waterfront
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Shed · 280 ft²Porch · 92 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.

M
Southern Middle SchoolA-
Middle · Grades 6–8 · 4.0 mi
E
Lothian Elementary SchoolA-
Elementary · Grades PK–5 · 4.1 mi
H
Southern High SchoolB-
High · Grades 9–12 · 4.6 mi

District: Anne Arundel County Public Schools

Neighborhood · ZIP 20765These 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.71
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.6%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.7%
PopulationHow many people live in this area.62
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.104 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$97,727
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$159,224
Average tempThe average temperature here across a full year.57°F
Annual precipHow much rain and melted snow falls here in a typical year.44 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

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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

4820 Riverside 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 less than 67% of homes in Galesville 20765
  • Costs more per square foot than 89% of homes in Anne Arundel County
  • Smaller than 80% of homes in Galesville 20765
  • Has a smaller lot than 90% of homes in Galesville 20765
  • Older than 93% of homes in Anne Arundel County

What homes are worth in Galesville 20765

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

This home
$304K$1.8M

This home is worth more than 33% of homes in Galesville 20765.

How it measures up in Galesville 20765

The dot is this home. The mark in the middle is the typical home in Galesville 20765.

Estimated value$520,439
CheaperTypical $592,738Pricier

Pricier than 33% of homes nearby

Price per ft²$393
CheaperTypical $346Pricier

Pricier than 69% of homes nearby

Living area1,323 ft²
SmallerTypical 1,916 ft²Bigger

Bigger than 20% of homes nearby

Lot size0.29 ac
SmallerTypical 0.58 acBigger

Bigger than 10% of homes nearby

Year built1940
OlderTypical 1955Newer

Newer than 38% of homes nearby

How 4820 Riverside Dr ranks against every home in each area.
MeasureThis homeGalesville 20765Anne Arundel County
Estimated valuepricier than$520,43933% of homes54% of homes
Price per ft²pricier than$39369% of homes89% of homes
Living areabigger than1,323 ft²20% of homes20% of homes
Lot sizebigger than0.29 ac10% of homes67% of homes
Year builtnewer than194038% of homes7% of homes

About 4820 Riverside Dr

How much is 4820 Riverside Dr, Galesville, MD worth?

The TopHap Estimate for 4820 Riverside Dr, Galesville, MD is $520,439 as of Sep 24, 2026. The likely range is $450,400 to $590,478. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4820 Riverside Dr, Galesville, MD last sell?

4820 Riverside Dr, Galesville, MD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 4820 Riverside Dr, Galesville, MD?

4820 Riverside Dr, Galesville, MD has 2 bathrooms, 1,323 square feet of living space and a 0.29-acre lot.

When was 4820 Riverside Dr, Galesville, MD built?

4820 Riverside Dr, Galesville, MD was built in 1940, making it 86 years old. It is a conventional home. The building has 1 story.

What schools serve 4820 Riverside Dr, Galesville, MD?

4820 Riverside Dr, Galesville, MD is assigned to Southern Middle School (middle), rated A-; Lothian Elementary School (elementary), rated A-; Southern High School (high), rated B-. All sit in Anne Arundel County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4820 Riverside Dr, Galesville, MD compare to other homes in Galesville 20765?

Among the 216 homes in Galesville 20765, it is worth more than 33% of them ($520,439 against a typical $592,738), its price per square foot is higher than 69% of them ($393 against a typical $346), it is bigger than 20% of them (1,323 ft² against a typical 1,916 ft²), its lot is bigger than 10% of them (0.29 ac against a typical 0.58 ac) and it is newer than 38% of them (1940 against a typical 1955). Measured against all of Anne Arundel County, it is worth more than 54% 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 4820 Riverside Dr, Galesville, MD?

The 2025 property tax bill for 4820 Riverside Dr, Galesville, MD was $3,806. The county assessed it at $399,300.

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