Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$440,116$379 / 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 Oct 21, 2026

4718 ROUNDHILL RD

ELLICOTT CITY, MD 21043
1.5
Baths
1,161 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.
0.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1962
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$440K
$399K low$481K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,667 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$419,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$219,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$200,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$404,567
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$419,600

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyHOWARD
Lot (acres)The size of the land the home sits on, from county records.0.46
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.Forced Air With Air Conditioning
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

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

E
Worthington Elementary SchoolA+
Elementary · Grades PK–5 · 0.6 mi
M
Ellicott Mills Middle SchoolA
Middle · Grades 6–8 · 1.4 mi
H
Howard High SchoolB+
High · Grades 9–12 · 1.7 mi

District: Howard County Public Schools

Neighborhood · ZIP 21043These 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.86
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.8%
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.48,279
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,799 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$138,854
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$163,449
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.45 in
SunshineThe share of daylight hours that get direct sun in a typical year, counting cloud cover.57%

Owner Tools

Do you own this home?
Claim this home

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

4718 Roundhill 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.

  • Worth less than 83% of homes in Ellicott City 21043
  • Costs more per square foot than 90% of homes in Ellicott City 21043
  • Smaller than 90% of homes in Ellicott City 21043
  • Has a bigger lot than 67% of homes in Ellicott City 21043
  • Older than 93% of homes in Howard County

What homes are worth in Ellicott City 21043

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

This home
$285K$1.1M

This home is worth more than 17% of homes in Ellicott City 21043.

How it measures up in Ellicott City 21043

The dot is this home. The mark in the middle is the typical home in Ellicott City 21043.

Estimated value$440,116
CheaperTypical $623,500Pricier

Pricier than 17% of homes nearby

Price per ft²$379
CheaperTypical $307Pricier

Pricier than 90% of homes nearby

Living area1,161 ft²
SmallerTypical 2,029 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.46 ac
SmallerTypical 0.33 acBigger

Bigger than 67% of homes nearby

Year built1962
OlderTypical 1993Newer

Newer than 12% of homes nearby

How 4718 Roundhill Rd ranks against every home in each area.
MeasureThis homeEllicott City 21043Howard County
Estimated valuepricier than$440,11617% of homes22% of homes
Price per ft²pricier than$37990% of homes88% of homes
Living areabigger than1,161 ft²10% of homes11% of homes
Lot sizebigger than0.46 ac67% of homes61% of homes
Year builtnewer than196212% of homes7% of homes

About 4718 Roundhill Rd

How much is 4718 Roundhill Rd, Ellicott City, MD worth?

The TopHap Estimate for 4718 Roundhill Rd, Ellicott City, MD is $440,116 as of Oct 21, 2026. The likely range is $399,052 to $481,180. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4718 Roundhill Rd, Ellicott City, MD last sell?

4718 Roundhill Rd, Ellicott City, MD last sold on Dec 12, 2001, according to the county's recorded deed.

How big is 4718 Roundhill Rd, Ellicott City, MD?

4718 Roundhill Rd, Ellicott City, MD has 1.5 bathrooms, 1,161 square feet of living space and a 0.46-acre lot.

When was 4718 Roundhill Rd, Ellicott City, MD built?

4718 Roundhill Rd, Ellicott City, MD was built in 1962, making it 64 years old. The building has 1 story.

What schools serve 4718 Roundhill Rd, Ellicott City, MD?

4718 Roundhill Rd, Ellicott City, MD is assigned to Worthington Elementary School (elementary), rated A+; Ellicott Mills Middle School (middle), rated A; Howard High School (high), rated B+. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4718 Roundhill Rd, Ellicott City, MD compare to other homes in Ellicott City 21043?

Among the 14,444 homes in Ellicott City 21043, it is worth more than 17% of them ($440,116 against a typical $623,500), its price per square foot is higher than 90% of them ($379 against a typical $307), it is bigger than 10% of them (1,161 ft² against a typical 2,029 ft²), its lot is bigger than 67% of them (0.46 ac against a typical 0.33 ac) and it is newer than 12% of them (1962 against a typical 1993). Measured against all of Howard County, it is worth more than 22% 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 4718 Roundhill Rd, Ellicott City, MD?

The 2026 property tax bill for 4718 Roundhill Rd, Ellicott City, MD was $6,667. The county assessed it at $419,600.

More homes on Roundhill Rd

Closest homes

More homes in Ellicott City 21043

Assigned schools

Explore the area

See this home in context

Open 4718 Roundhill Rd on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map