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TownhouseResidential
$430,770$169 / 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 96How 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 $419,000 on Mar 7, 2022

3509 FLAGSTONE ST

WALDORF, MD 20601
3.5
Baths
2,548 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.
2,047 ft²
Lot SizeThe size of the land the home sits on, from county records.
2014
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$431K
$413K low$448K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$419,000 · Mar 7, 2022

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,317 (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.$413,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$95,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$318,700
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$425,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$413,700

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.
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.
80
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.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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.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(2)

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
Thomas Stone High SchoolD
High · Grades 9–12 · 0.2 mi
E
J. P. Ryon Elementary SchoolF
Elementary · Grades EE–5 · 0.5 mi
M
John Hanson Middle SchoolC-
Middle · Grades 6–8 · 0.6 mi

District: Charles County Public Schools

Neighborhood · ZIP 20601These 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.75
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.94
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.30

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.4.7%
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.32,491
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.695 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$124,756
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$143,075
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

3509 Flagstone St 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.

  • Costs less per square foot than 90% of homes in Waldorf 20601
  • Bigger than 77% of homes in Waldorf 20601
  • Has a smaller lot than 88% of homes in Charles County
  • Newer than 88% of homes in Waldorf 20601

What homes are worth in Waldorf 20601

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

This home
$279K$788K

This home is worth more than 46% of homes in Waldorf 20601.

How it measures up in Waldorf 20601

The dot is this home. The mark in the middle is the typical home in Waldorf 20601.

Estimated value$430,770
CheaperTypical $437,333Pricier

Pricier than 46% of homes nearby

Price per ft²$169
CheaperTypical $217Pricier

Pricier than 10% of homes nearby

Living area2,548 ft²
SmallerTypical 1,988 ft²Bigger

Bigger than 77% of homes nearby

Lot size2,047 ft²
SmallerTypical 0.26 acBigger

Bigger than 15% of homes nearby

Year built2014
OlderTypical 1988Newer

Newer than 88% of homes nearby

How 3509 Flagstone St ranks against every home in each area.
MeasureThis homeWaldorf 20601Charles County
Estimated valuepricier than$430,77046% of homes50% of homes
Price per ft²pricier than$16910% of homes19% of homes
Living areabigger than2,548 ft²77% of homes69% of homes
Lot sizebigger than2,047 ft²15% of homes12% of homes
Year builtnewer than201488% of homes85% of homes

About 3509 Flagstone St

How much is 3509 Flagstone St, Waldorf, MD worth?

The TopHap Estimate for 3509 Flagstone St, Waldorf, MD is $430,770 as of Sep 24, 2026. The likely range is $413,144 to $448,396. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3509 Flagstone St, Waldorf, MD last sell?

3509 Flagstone St, Waldorf, MD last sold on Mar 7, 2022 for $419,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 3509 Flagstone St, Waldorf, MD?

3509 Flagstone St, Waldorf, MD has 3.5 bathrooms, 2,548 square feet of living space and a 0.05-acre lot.

When was 3509 Flagstone St, Waldorf, MD built?

3509 Flagstone St, Waldorf, MD was built in 2014, making it 12 years old. It is a townhouse home. The building has 3 stories.

What schools serve 3509 Flagstone St, Waldorf, MD?

3509 Flagstone St, Waldorf, MD is assigned to Thomas Stone High School (high), rated D; J. P. Ryon Elementary School (elementary), rated F; John Hanson 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 3509 Flagstone St, Waldorf, MD compare to other homes in Waldorf 20601?

Among the 9,270 homes in Waldorf 20601, it is worth more than 46% of them ($430,770 against a typical $437,333), its price per square foot is higher than 10% of them ($169 against a typical $217), it is bigger than 77% of them (2,548 ft² against a typical 1,988 ft²), its lot is bigger than 15% of them (2,047 ft² against a typical 0.26 ac) and it is newer than 88% of them (2014 against a typical 1988). Measured against all of Charles County, it is worth more than 50% 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 3509 Flagstone St, Waldorf, MD?

The 2025 property tax bill for 3509 Flagstone St, Waldorf, MD was $12,317. The county assessed it at $413,700.

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