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TownhouseResidential
$270,266$229 / 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 97How 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
Last sold for $255,000 on Sep 21, 2021

100 KALMIA CT

LA PLATA, MD 20646
1.5
Baths
1,180 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.
2,250 ft²
Lot SizeThe size of the land the home sits on, from county records.
1987
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$270K
$262K low$279K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$255,000 · Sep 21, 2021

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,507 (2025)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$254,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$90,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$164,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$232,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$254,800

Climate Risk

Overall riskThe average of the five hazard scores below, on a 0 to 100 scale. Higher means greater projected risk over the coming decades.39
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
19
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
77
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
79
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
23
DroughtProjected water shortage risk, scored 0 to 100. Higher means more strain on the local water supply.
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.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyCHARLES
Lot (acres)The size of the land the home sits on, from county records.0.05
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
CoolingThe type of cooling or air conditioning in the home.Central
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.Patio · 124 ft²

Transaction History(3)

Sales and refinances filed with the county for this home. Not every transfer is a normal sale, so check the type before comparing prices.

Foreclosure Filings(1)

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

M
Milton M. Somers Middle SchoolB-
Middle · Grades 6–8 · 0.6 mi
E
Mary H. Matula Elementary SchoolB
Elementary · Grades PK–5 · 1.4 mi
H
La Plata High SchoolC+
High · Grades 9–12 · 1.6 mi

District: Charles County Public Schools

Neighborhood · ZIP 20646These 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.96
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.31

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.18%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.0%
PopulationHow many people live in this area.23,382
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.280 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$129,154
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$147,771
Average tempThe average temperature here across a full year.56°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

100 Kalmia Ct 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 93% of homes in La Plata 20646
  • Costs more per square foot than 71% of homes in La Plata 20646
  • Smaller than 92% of homes in La Plata 20646
  • Has a smaller lot than 89% of homes in La Plata 20646

What homes are worth in La Plata 20646

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

This home
$222K$800K

This home is worth more than 7% of homes in La Plata 20646.

How it measures up in La Plata 20646

The dot is this home. The mark in the middle is the typical home in La Plata 20646.

Estimated value$270,266
CheaperTypical $450,000Pricier

Pricier than 7% of homes nearby

Price per ft²$229
CheaperTypical $207Pricier

Pricier than 71% of homes nearby

Living area1,180 ft²
SmallerTypical 2,208 ft²Bigger

Bigger than 8% of homes nearby

Lot size2,250 ft²
SmallerTypical 0.77 acBigger

Bigger than 11% of homes nearby

Year built1987
OlderTypical 1992Newer

Newer than 42% of homes nearby

How 100 Kalmia Ct ranks against every home in each area.
MeasureThis homeLa Plata 20646Charles County
Estimated valuepricier than$270,2667% of homes9% of homes
Price per ft²pricier than$22971% of homes69% of homes
Living areabigger than1,180 ft²8% of homes9% of homes
Lot sizebigger than2,250 ft²11% of homes14% of homes
Year builtnewer than198742% of homes42% of homes

About 100 Kalmia Ct

How much is 100 Kalmia Ct, La Plata, MD worth?

The TopHap Estimate for 100 Kalmia Ct, La Plata, MD is $270,266 as of Sep 24, 2026. The likely range is $261,936 to $278,596. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 100 Kalmia Ct, La Plata, MD last sell?

100 Kalmia Ct, La Plata, MD last sold on Sep 21, 2021 for $255,000, according to the county's recorded deed. TopHap holds 3 recorded sales for this parcel.

How big is 100 Kalmia Ct, La Plata, MD?

100 Kalmia Ct, La Plata, MD has 1.5 bathrooms, 1,180 square feet of living space and a 0.05-acre lot.

When was 100 Kalmia Ct, La Plata, MD built?

100 Kalmia Ct, La Plata, MD was built in 1987, making it 39 years old. It is a townhouse home. The building has 2 stories.

What schools serve 100 Kalmia Ct, La Plata, MD?

100 Kalmia Ct, La Plata, MD is assigned to Milton M. Somers Middle School (middle), rated B-; Mary H. Matula Elementary School (elementary), rated B; La Plata High School (high), rated C+. All sit in Charles County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 100 Kalmia Ct, La Plata, MD compare to other homes in La Plata 20646?

Among the 8,805 homes in La Plata 20646, it is worth more than 7% of them ($270,266 against a typical $450,000), its price per square foot is higher than 71% of them ($229 against a typical $207), it is bigger than 8% of them (1,180 ft² against a typical 2,208 ft²), its lot is bigger than 11% of them (2,250 ft² against a typical 0.77 ac) and it is newer than 42% of them (1987 against a typical 1992). Measured against all of Charles County, it is worth more than 9% 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 100 Kalmia Ct, La Plata, MD?

The 2025 property tax bill for 100 Kalmia Ct, La Plata, MD was $6,507. The county assessed it at $254,800.

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