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TownhouseResidential
$358,832$235 / 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 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
Last sold for $238,000 on Nov 16, 2017

6148 SEA LION PL

WALDORF, MD 20603
2.5
Baths
1,524 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.
2,068 ft²
Lot SizeThe size of the land the home sits on, from county records.
1988
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$359K
$339K low$378K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$238,000 · Nov 16, 2017

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,962 (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.$299,867 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$286,333
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$313,400

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.45
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
16
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.
79
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
52
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.Deck · 144 ft²

Transaction History(5)

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.

E
William B. Wade Elementary SchoolC
Elementary · Grades PK–5 · 0.2 mi
H
Westlake High SchoolD
High · Grades 9–12 · 1.0 mi
M
Theodore G. Davis Middle SchoolC+
Middle · Grades 6–8 · 2.3 mi

District: Charles County Public Schools

Neighborhood · ZIP 20603These 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.73
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.97
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.34

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.5.6%
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.35,700
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,070 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$140,522
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,916
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

6148 Sea Lion 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 less than 85% of homes in Waldorf 20603
  • Costs more per square foot than 76% of homes in Waldorf 20603
  • Smaller than 83% of homes in Waldorf 20603
  • Has a smaller lot than 87% of homes in Charles County
  • Older than 72% of homes in Waldorf 20603

What homes are worth in Waldorf 20603

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

This home
$304K$715K

This home is worth more than 15% of homes in Waldorf 20603.

How it measures up in Waldorf 20603

The dot is this home. The mark in the middle is the typical home in Waldorf 20603.

Estimated value$358,832
CheaperTypical $470,477Pricier

Pricier than 15% of homes nearby

Price per ft²$235
CheaperTypical $201Pricier

Pricier than 76% of homes nearby

Living area1,524 ft²
SmallerTypical 2,244 ft²Bigger

Bigger than 17% of homes nearby

Lot size2,068 ft²
SmallerTypical 0.19 acBigger

Bigger than 14% of homes nearby

Year built1988
OlderTypical 1995Newer

Newer than 28% of homes nearby

How 6148 Sea Lion Pl ranks against every home in each area.
MeasureThis homeWaldorf 20603Charles County
Estimated valuepricier than$358,83215% of homes26% of homes
Price per ft²pricier than$23576% of homes73% of homes
Living areabigger than1,524 ft²17% of homes22% of homes
Lot sizebigger than2,068 ft²14% of homes13% of homes
Year builtnewer than198828% of homes45% of homes

About 6148 Sea Lion Pl

How much is 6148 Sea Lion Pl, Waldorf, MD worth?

The TopHap Estimate for 6148 Sea Lion Pl, Waldorf, MD is $358,832 as of Oct 21, 2026. The likely range is $339,438 to $378,226. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6148 Sea Lion Pl, Waldorf, MD last sell?

6148 Sea Lion Pl, Waldorf, MD last sold on Nov 16, 2017 for $238,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 6148 Sea Lion Pl, Waldorf, MD?

6148 Sea Lion Pl, Waldorf, MD has 2.5 bathrooms, 1,524 square feet of living space and a 0.05-acre lot.

When was 6148 Sea Lion Pl, Waldorf, MD built?

6148 Sea Lion Pl, Waldorf, MD was built in 1988, making it 38 years old. It is a townhouse home. The building has 2 stories.

What schools serve 6148 Sea Lion Pl, Waldorf, MD?

6148 Sea Lion Pl, Waldorf, MD is assigned to William B. Wade Elementary School (elementary), rated C; Westlake High School (high), rated D; Theodore G. Davis 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 6148 Sea Lion Pl, Waldorf, MD compare to other homes in Waldorf 20603?

Among the 10,489 homes in Waldorf 20603, it is worth more than 15% of them ($358,832 against a typical $470,477), its price per square foot is higher than 76% of them ($235 against a typical $201), it is bigger than 17% of them (1,524 ft² against a typical 2,244 ft²), its lot is bigger than 14% of them (2,068 ft² against a typical 0.19 ac) and it is newer than 28% of them (1988 against a typical 1995). Measured against all of Charles County, it is worth more than 26% 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 6148 Sea Lion Pl, Waldorf, MD?

The 2025 property tax bill for 6148 Sea Lion Pl, Waldorf, MD was $8,962. The county assessed it at $299,867.

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