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Residential (General/Single)Residential
$601,576
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 Jul 14, 2026

RIVER ROCK WAY

COLUMBIA, MD 21044
0
Baths
9.63 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$602K
$522K low$681K high
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$601,576
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$481,261

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.197 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.Residential (General/Single)
CountyHoward
Lot (acres)The size of the land the home sits on, from county records.9.63
HeatingThe type of heating system in the home.None
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.

H
Atholton High SchoolA
High · Grades 9–12 · 0.7 mi
E
Clemens Crossing Elementary SchoolA
Elementary · Grades KG–5 · 1.2 mi
M
Wilde Lake Middle SchoolA-
Middle · Grades 6–8 · 2.2 mi

District: Howard County Public Schools

Neighborhood · ZIP 21044These 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.123
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.32%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.0%
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.44,507
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,688 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$126,288
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$149,553
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

River Rock Way 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.

  • Has a bigger lot than 98% of homes in Howard County

What homes are worth in Columbia 21044

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

This home
$200K$1.2M

This home is worth more than 57% of homes in Columbia 21044.

How it measures up in Columbia 21044

The dot is this home. The mark in the middle is the typical home in Columbia 21044.

Estimated value$601,576
CheaperTypical $545,066Pricier

Pricier than 57% of homes nearby

Lot size9.63 ac
SmallerTypical 0.31 acBigger

Bigger than 97% of homes nearby

How River Rock Way ranks against every home in each area.
MeasureThis homeColumbia 21044Howard County
Estimated valuepricier than$601,57657% of homes46% of homes
Lot sizebigger than9.63 ac97% of homes98% of homes

About River Rock Way

How much is River Rock Way, Columbia, MD worth?

The TopHap Estimate for River Rock Way, Columbia, MD is $601,576 as of Jul 14, 2026. The likely range is $521,873 to $681,279. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

What schools serve River Rock Way, Columbia, MD?

River Rock Way, Columbia, MD is assigned to Atholton High School (high), rated A; Clemens Crossing Elementary School (elementary), rated A; Wilde Lake Middle School (middle), rated A-. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does River Rock Way, Columbia, MD compare to other homes in Columbia 21044?

Among the 12,933 homes in Columbia 21044, it is worth more than 57% of them ($601,576 against a typical $545,066) and its lot is bigger than 97% of them (9.63 ac against a typical 0.31 ac). Measured against all of Howard County, it is worth more than 46% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

Closest homes

More homes in Columbia 21044

Assigned schools

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