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Residential (General/Single)Residential
$452,736
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 88How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026

3121 ALFALFA CIR

LA PLATA, MD 20646
0
Baths
0.29 ac
Lot SizeThe size of the land the home sits on, from county records.

Valuation

$453K
$399K low$506K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,541 (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.$100,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$100,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$100,000

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.40
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
20
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
78
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
80
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.Residential (General/Single)
CountyCHARLES
Lot (acres)The size of the land the home sits on, from county records.0.29
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
Mary H. Matula Elementary SchoolB+
Elementary · Grades PK–5 · 0.2 mi
H
La Plata High SchoolB
High · Grades 9–12 · 0.3 mi
M
Milton M. Somers Middle SchoolC-
Middle · Grades 6–8 · 1.8 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

3121 Alfalfa Cir 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 smaller lot than 67% 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
$253K$836K

This home is worth more than 47% 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$452,736
CheaperTypical $463,703Pricier

Pricier than 47% of homes nearby

Lot size0.29 ac
SmallerTypical 0.79 acBigger

Bigger than 33% of homes nearby

How 3121 Alfalfa Cir ranks against every home in each area.
MeasureThis homeLa Plata 20646Charles County
Estimated valuepricier than$452,73647% of homes55% of homes
Lot sizebigger than0.29 ac33% of homes52% of homes

About 3121 Alfalfa Cir

How much is 3121 Alfalfa Cir, La Plata, MD worth?

The TopHap Estimate for 3121 Alfalfa Cir, La Plata, MD is $452,736 as of Aug 30, 2026. The likely range is $399,026 to $506,446. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3121 Alfalfa Cir, La Plata, MD last sell?

3121 Alfalfa Cir, La Plata, MD last sold on Jan 1, 1900, according to the county's recorded deed.

What schools serve 3121 Alfalfa Cir, La Plata, MD?

3121 Alfalfa Cir, La Plata, MD is assigned to Mary H. Matula Elementary School (elementary), rated B+; La Plata High School (high), rated B; Milton M. Somers Middle School (middle), rated C-. All sit in Charles County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3121 Alfalfa Cir, La Plata, MD compare to other homes in La Plata 20646?

Among the 8,782 homes in La Plata 20646, it is worth more than 47% of them ($452,736 against a typical $463,703) and its lot is bigger than 33% of them (0.29 ac against a typical 0.79 ac). Measured against all of Charles County, it is worth more than 55% 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 3121 Alfalfa Cir, La Plata, MD?

The 2025 property tax bill for 3121 Alfalfa Cir, La Plata, MD was $1,541. The county assessed it at $100,000.

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