Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,018,988$145 / 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 88How 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
Last sold for $145,000 on May 17, 1990

6166 SIMMS DR

LA PLATA, MD 20646
6
Baths
7,027 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.
7.71 ac
Lot SizeThe size of the land the home sits on, from county records.
1991
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
4
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1M
$895K low$1.1M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$145,000 · May 17, 1990

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$26,470 (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.$1,035,600 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$190,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$845,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$941,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,035,600

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.
21
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.
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyCHARLES
ConstructionThe main material the home's frame and walls are built from.Brick
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
FireplaceWhether the home has a fireplace, and what kind.Yes
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Attached
PoolWhether the property has a pool, and what kind, such as in-ground.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 664 ft²

Transaction History(1)

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

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

H
Maurice J. McDonough High SchoolC
High · Grades 9–12 · 1.0 mi
E
Dr. James Craik Elementary SchoolB+
Elementary · Grades PK–5 · 1.8 mi
M
Glymont Middle SchoolC-
Middle · Grades 6–8 · 7.2 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%

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

6166 Simms Dr 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.

  • Among the most valuable homes in La Plata 20646
  • Costs less per square foot than 94% of homes in La Plata 20646
  • Among the largest homes in La Plata 20646
  • Has a bigger lot than 96% of homes in Charles County

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
$216K$827K

This home is worth more than almost all 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$1,018,988
CheaperTypical $446,226Pricier

Pricier than almost all homes nearby

Price per ft²$145
CheaperTypical $204Pricier

Pricier than 6% of homes nearby

Living area7,027 ft²
SmallerTypical 2,206 ft²Bigger

Bigger than almost all homes nearby

Lot size7.71 ac
SmallerTypical 0.75 acBigger

Bigger than 95% of homes nearby

Year built1991
OlderTypical 1992Newer

Newer than 49% of homes nearby

How 6166 Simms Dr ranks against every home in each area.
MeasureThis homeLa Plata 20646Charles County
Estimated valuepricier than$1,018,988almost all homesalmost all homes
Price per ft²pricier than$1456% of homes7% of homes
Living areabigger than7,027 ft²almost all homesalmost all homes
Lot sizebigger than7.71 ac95% of homes96% of homes
Year builtnewer than199149% of homes50% of homes

About 6166 Simms Dr

How much is 6166 Simms Dr, La Plata, MD worth?

The TopHap Estimate for 6166 Simms Dr, La Plata, MD is $1,018,988 as of Oct 21, 2026. The likely range is $894,832 to $1,143,144. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6166 Simms Dr, La Plata, MD last sell?

6166 Simms Dr, La Plata, MD last sold on May 17, 1990 for $145,000, according to the county's recorded deed.

How big is 6166 Simms Dr, La Plata, MD?

6166 Simms Dr, La Plata, MD has 6 bathrooms and 7,027 square feet of living space.

When was 6166 Simms Dr, La Plata, MD built?

6166 Simms Dr, La Plata, MD was built in 1991, making it 35 years old. It is a conventional home. The building has 2 stories.

What schools serve 6166 Simms Dr, La Plata, MD?

6166 Simms Dr, La Plata, MD is assigned to Maurice J. McDonough High School (high), rated C; Dr. James Craik Elementary School (elementary), rated B+; Glymont 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 6166 Simms Dr, La Plata, MD compare to other homes in La Plata 20646?

Among the 8,869 homes in La Plata 20646, it is worth more than almost all of them ($1,018,988 against a typical $446,226), its price per square foot is higher than 6% of them ($145 against a typical $204), it is bigger than almost all of them (7,027 ft² against a typical 2,206 ft²), its lot is bigger than 95% of them (7.71 ac against a typical 0.75 ac) and it is newer than 49% of them (1991 against a typical 1992). Measured against all of Charles County, it is worth more than almost all 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 6166 Simms Dr, La Plata, MD?

The 2025 property tax bill for 6166 Simms Dr, La Plata, MD was $26,470. The county assessed it at $1,035,600.

More homes on Simms Dr

Closest homes

More homes in La Plata 20646

Assigned schools

Explore the area

See this home in context

Open 6166 Simms Dr 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