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Residential (General/Single)Residential
$596,202
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 96How 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

COLUMBIA, MD 21045
0
Baths
16.18 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$596K
$574K low$619K high

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.28 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 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.16.18
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
Phelps Luck Elementary SchoolA-
Elementary · Grades PK–5 · 0.2 mi
H
Howard High SchoolA+
High · Grades 9–12 · 0.5 mi
M
Bonnie Branch Middle SchoolB+
Middle · Grades 6–8 · 2.5 mi

District: Howard County Public Schools

Neighborhood · ZIP 21045These 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.113
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 100.39

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.28%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.6%
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.40,881
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.4,128 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$115,208
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$141,105
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

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 more than 80% of homes in Columbia 21045
  • Among the largest lots in Long Reach

What homes are worth in Columbia 21045

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

This home
$185K$758K

This home is worth more than 80% of homes in Columbia 21045.

How it measures up in Columbia 21045

The dot is this home. The mark in the middle is the typical home in Columbia 21045.

Estimated value$596,202
CheaperTypical $476,664Pricier

Pricier than 80% of homes nearby

Lot size16.18 ac
SmallerTypical 0.2 acBigger

Bigger than almost all homes nearby

How ranks against every home in each area.
MeasureThis homeLong ReachColumbia 21045Howard County
Estimated valuepricier than$596,20277% of homes80% of homes46% of homes
Lot sizebigger than16.18 acalmost all homesalmost all homesalmost all homes

About

How much is , Columbia, MD worth?

The TopHap Estimate for , Columbia, MD is $596,202 as of Sep 24, 2026. The likely range is $573,877 to $618,527. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did , Columbia, MD last sell?

, Columbia, MD last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve , Columbia, MD?

, Columbia, MD is assigned to Phelps Luck Elementary School (elementary), rated A-; Howard High School (high), rated A+; Bonnie Branch Middle School (middle), rated B+. All sit in Howard County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does , Columbia, MD compare to other homes in Columbia 21045?

Among the 12,651 homes in Columbia 21045, it is worth more than 80% of them ($596,202 against a typical $476,664) and its lot is bigger than almost all of them (16.18 ac against a typical 0.2 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

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Assigned schools

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