Skip to content
Skip to content
TopHapOpen in map
Residential (General/Single)Residential
$616,956
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 95How 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

ALDERLEAF PL

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

Valuation

$617K
$584K low$649K 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.9 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.minimal

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.3.68
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 SchoolC+
Elementary · Grades PK–5 · 0.6 mi
H
Howard High SchoolB+
High · Grades 9–12 · 0.9 mi
M
Bonnie Branch Middle SchoolB+
Middle · Grades 6–8 · 2.8 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%

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

Alderleaf Pl 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 82% of homes in Columbia 21045
  • Has a bigger lot than 93% of homes in Columbia 21045

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
$184K$766K

This home is worth more than 82% 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$616,956
CheaperTypical $481,496Pricier

Pricier than 82% of homes nearby

Lot size3.68 ac
SmallerTypical 0.2 acBigger

Bigger than 93% of homes nearby

How Alderleaf Pl ranks against every home in each area.
MeasureThis homeLong ReachColumbia 21045Howard County
Estimated valuepricier than$616,95679% of homes82% of homes49% of homes
Lot sizebigger than3.68 ac89% of homes93% of homes93% of homes

About Alderleaf Pl

How much is Alderleaf Pl, Columbia, MD worth?

The TopHap Estimate for Alderleaf Pl, Columbia, MD is $616,956 as of Oct 21, 2026. The likely range is $584,435 to $649,477. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did Alderleaf Pl, Columbia, MD last sell?

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

What schools serve Alderleaf Pl, Columbia, MD?

Alderleaf Pl, Columbia, MD is assigned to Phelps Luck Elementary School (elementary), rated C+; Howard High School (high), rated B+; 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 Alderleaf Pl, Columbia, MD compare to other homes in Columbia 21045?

Among the 12,651 homes in Columbia 21045, it is worth more than 82% of them ($616,956 against a typical $481,496) and its lot is bigger than 93% of them (3.68 ac against a typical 0.2 ac). Measured against all of Howard County, it is worth more than 49% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Alderleaf Pl

Closest homes

More homes in Columbia 21045

Assigned schools

Explore the area

See this home in context

Open Alderleaf Pl 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