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Single Family ResidenceResidential
$471,375$268 / 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 88How 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 $420,000 on Jun 7, 2004

4820 ROUND HILL RD

FREDERICK, MD 21702
1.5
Baths
1,760 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.
5.63 ac
Lot SizeThe size of the land the home sits on, from county records.
1915
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$471K
$413K low$530K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$420,000 · Jun 7, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,400 (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.$300,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$160,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$139,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$280,033
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$300,000

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
79
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
80
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
37
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.

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
CountyFREDERICK
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.Radiant
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.Porch · 192 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.

H
Middletown High SchoolA-
High · Grades 9–12 · 2.0 mi
M
Middletown Middle SchoolB+
Middle · Grades 6–8 · 2.1 mi
E
Myersville Elementary SchoolA+
Elementary · Grades KG–5 · 6.2 mi

District: Frederick County Public Schools

Neighborhood · ZIP 21702These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.76
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.41

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.95%
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.7.7%
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.50,856
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,269 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,592
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$129,254
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

4820 Round Hill 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.

  • Costs more per square foot than 82% of homes in Frederick 21702
  • Smaller than 71% of homes in Frederick 21702
  • Has a bigger lot than 97% of homes in Frederick 21702
  • Older than 97% of homes in Frederick 21702

What homes are worth in Frederick 21702

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

This home
$198K$957K

This home is worth more than 55% of homes in Frederick 21702.

How it measures up in Frederick 21702

The dot is this home. The mark in the middle is the typical home in Frederick 21702.

Estimated value$471,375
CheaperTypical $453,615Pricier

Pricier than 55% of homes nearby

Price per ft²$268
CheaperTypical $220Pricier

Pricier than 82% of homes nearby

Living area1,760 ft²
SmallerTypical 2,231 ft²Bigger

Bigger than 29% of homes nearby

Lot size5.63 ac
SmallerTypical 0.16 acBigger

Bigger than 97% of homes nearby

Year built1915
OlderTypical 1993Newer

Newer than 3% of homes nearby

How 4820 Round Hill Rd ranks against every home in each area.
MeasureThis homeFrederick 21702Frederick County
Estimated valuepricier than$471,37555% of homes47% of homes
Price per ft²pricier than$26882% of homes76% of homes
Living areabigger than1,760 ft²29% of homes31% of homes
Lot sizebigger than5.63 ac97% of homes95% of homes
Year builtnewer than19153% of homes11% of homes

About 4820 Round Hill Rd

How much is 4820 Round Hill Rd, Frederick, MD worth?

The TopHap Estimate for 4820 Round Hill Rd, Frederick, MD is $471,375 as of Sep 24, 2026. The likely range is $413,105 to $529,645. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4820 Round Hill Rd, Frederick, MD last sell?

4820 Round Hill Rd, Frederick, MD last sold on Jun 7, 2004 for $420,000, according to the county's recorded deed.

How big is 4820 Round Hill Rd, Frederick, MD?

4820 Round Hill Rd, Frederick, MD has 1.5 bathrooms and 1,760 square feet of living space.

When was 4820 Round Hill Rd, Frederick, MD built?

4820 Round Hill Rd, Frederick, MD was built in 1915, making it 111 years old. It is a conventional home. The building has 2 stories.

What schools serve 4820 Round Hill Rd, Frederick, MD?

4820 Round Hill Rd, Frederick, MD is assigned to Middletown High School (high), rated A-; Middletown Middle School (middle), rated B+; Myersville Elementary School (elementary), rated A+. All sit in Frederick County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4820 Round Hill Rd, Frederick, MD compare to other homes in Frederick 21702?

Among the 15,542 homes in Frederick 21702, it is worth more than 55% of them ($471,375 against a typical $453,615), its price per square foot is higher than 82% of them ($268 against a typical $220), it is bigger than 29% of them (1,760 ft² against a typical 2,231 ft²), its lot is bigger than 97% of them (5.63 ac against a typical 0.16 ac) and it is newer than 3% of them (1915 against a typical 1993). Measured against all of Frederick County, it is worth more than 47% 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 Round Hill Rd, Frederick, MD?

The 2025 property tax bill for 4820 Round Hill Rd, Frederick, MD was $3,400. The county assessed it at $300,000.

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Assigned schools

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