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Single Family ResidenceResidential
$3,441,989$283 / 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
Last sold for $242,500 on May 13, 1999

3720 RUNNING SPRINGS RD

ELLICOTT CITY, MD 21042
10.5
Baths
12,173 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.
11.98 ac
Lot SizeThe size of the land the home sits on, from county records.
2002
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$3.4M
$3.1M low$3.7M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$242,500 · May 13, 1999

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$36,787 (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.$2,956,067 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$2,743,633
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$3,168,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.174 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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
CountyHOWARD
Lot (acres)The size of the land the home sits on, from county records.11.98
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
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.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 · 408 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.

E
West Friendship Elementary SchoolA+
Elementary · Grades KG–5 · 3.1 mi
M
Mount View Middle SchoolA+
Middle · Grades 6–8 · 4.1 mi
H
Marriotts Ridge High SchoolA
High · Grades 9–12 · 4.1 mi

District: Howard County Public Schools

Neighborhood · ZIP 21042These 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.48
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 100.37

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.9%
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.43,959
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,188 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$168,351
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$201,624
Average tempThe average temperature here across a full year.54°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%

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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

3720 Running Springs 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.

  • Among the most valuable homes in Ellicott City 21042
  • Costs less per square foot than 82% of homes in Ellicott City 21042
  • Among the largest homes in Ellicott City 21042
  • Among the largest lots in Ellicott City 21042
  • Newer than 81% of homes in Ellicott City 21042

What homes are worth in Ellicott City 21042

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

This home
$341K$1.9M

This home is worth more than almost all homes in Ellicott City 21042.

How it measures up in Ellicott City 21042

The dot is this home. The mark in the middle is the typical home in Ellicott City 21042.

Estimated value$3,441,989
CheaperTypical $784,584Pricier

Pricier than almost all homes nearby

Price per ft²$283
CheaperTypical $324Pricier

Pricier than 18% of homes nearby

Living area12,173 ft²
SmallerTypical 2,428 ft²Bigger

Bigger than almost all homes nearby

Lot size11.98 ac
SmallerTypical 0.47 acBigger

Bigger than almost all homes nearby

Year built2002
OlderTypical 1987Newer

Newer than 81% of homes nearby

How 3720 Running Springs Rd ranks against every home in each area.
MeasureThis homeEllicott City 21042Howard County
Estimated valuepricier than$3,441,989almost all homesalmost all homes
Price per ft²pricier than$28318% of homes33% of homes
Living areabigger than12,173 ft²almost all homesalmost all homes
Lot sizebigger than11.98 acalmost all homes98% of homes
Year builtnewer than200281% of homes77% of homes

About 3720 Running Springs Rd

How much is 3720 Running Springs Rd, Ellicott City, MD worth?

The TopHap Estimate for 3720 Running Springs Rd, Ellicott City, MD is $3,441,989 as of Oct 21, 2026. The likely range is $3,134,946 to $3,749,033. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3720 Running Springs Rd, Ellicott City, MD last sell?

3720 Running Springs Rd, Ellicott City, MD last sold on May 13, 1999 for $242,500, according to the county's recorded deed.

How big is 3720 Running Springs Rd, Ellicott City, MD?

3720 Running Springs Rd, Ellicott City, MD has 10.5 bathrooms, 12,173 square feet of living space and a 11.98-acre lot.

When was 3720 Running Springs Rd, Ellicott City, MD built?

3720 Running Springs Rd, Ellicott City, MD was built in 2002, making it 24 years old. The building has 2 stories.

What schools serve 3720 Running Springs Rd, Ellicott City, MD?

3720 Running Springs Rd, Ellicott City, MD is assigned to West Friendship Elementary School (elementary), rated A+; Mount View Middle School (middle), rated A+; Marriotts Ridge High School (high), rated A. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3720 Running Springs Rd, Ellicott City, MD compare to other homes in Ellicott City 21042?

Among the 14,376 homes in Ellicott City 21042, it is worth more than almost all of them ($3,441,989 against a typical $784,584), its price per square foot is higher than 18% of them ($283 against a typical $324), it is bigger than almost all of them (12,173 ft² against a typical 2,428 ft²), its lot is bigger than almost all of them (11.98 ac against a typical 0.47 ac) and it is newer than 81% of them (2002 against a typical 1987). Measured against all of Howard County, it is worth more than almost all 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 3720 Running Springs Rd, Ellicott City, MD?

The 2026 property tax bill for 3720 Running Springs Rd, Ellicott City, MD was $36,787. The county assessed it at $2,956,067.

More homes on Running Springs Rd

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Assigned schools

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