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TownhouseResidential
$525,699$215 / 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 $519,990 on Jul 31, 2026

9640 KILLENNEY PL

WALDORF, MD 20601
3.5
Baths
2,444 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.
2,004 ft²
Lot SizeThe size of the land the home sits on, from county records.
2025
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.

Valuation

$526K
$503K low$548K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$519,990 · Jul 31, 2026

Tax & Assessment

Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$451,133 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$437,567
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$464,700

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.65
92
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
22
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.
81
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.
Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.137 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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
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.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

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.

M
Theodore G. Davis Middle SchoolC+
Middle · Grades 6–8 · 0.8 mi
H
North Point High SchoolB-
High · Grades 9–12 · 0.9 mi
E
William A. Diggs Elementary SchoolC+
Elementary · Grades PK–5 · 1.4 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

9640 Killenney 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 more than 80% of homes in Waldorf 20601
  • Bigger than 74% of homes in Waldorf 20601
  • Has a smaller lot than 87% of homes in Charles County
  • Among the newest 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
$268K$769K

This home is worth more than 80% 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$525,699
CheaperTypical $437,513Pricier

Pricier than 80% of homes nearby

Price per ft²$215
CheaperTypical $218Pricier

Pricier than 47% of homes nearby

Living area2,444 ft²
SmallerTypical 1,990 ft²Bigger

Bigger than 74% of homes nearby

Lot size2,004 ft²
SmallerTypical 0.26 acBigger

Bigger than 16% of homes nearby

Year built2025
OlderTypical 1988Newer

Newer than almost all homes nearby

How 9640 Killenney Pl ranks against every home in each area.
MeasureThis homeWaldorf 20601Charles County
Estimated valuepricier than$525,69980% of homes74% of homes
Price per ft²pricier than$21547% of homes58% of homes
Living areabigger than2,444 ft²74% of homes65% of homes
Lot sizebigger than2,004 ft²16% of homes13% of homes
Year builtnewer than2025almost all homesalmost all homes

About 9640 Killenney Pl

How much is 9640 Killenney Pl, Waldorf, MD worth?

The TopHap Estimate for 9640 Killenney Pl, Waldorf, MD is $525,699 as of Sep 24, 2026. The likely range is $503,329 to $548,069. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9640 Killenney Pl, Waldorf, MD last sell?

9640 Killenney Pl, Waldorf, MD last sold on Jul 31, 2026 for $519,990, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9640 Killenney Pl, Waldorf, MD?

9640 Killenney Pl, Waldorf, MD has 3.5 bathrooms, 2,444 square feet of living space and a 0.05-acre lot.

When was 9640 Killenney Pl, Waldorf, MD built?

9640 Killenney Pl, Waldorf, MD was built in 2025, making it 1 years old. It is a townhouse home. The building has 3 stories.

What schools serve 9640 Killenney Pl, Waldorf, MD?

9640 Killenney Pl, Waldorf, MD is assigned to Theodore G. Davis Middle School (middle), rated C+; North Point High School (high), rated B-; William A. Diggs Elementary School (elementary), rated C+. All sit in Charles County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 9640 Killenney Pl, Waldorf, MD compare to other homes in Waldorf 20601?

Among the 9,353 homes in Waldorf 20601, it is worth more than 80% of them ($525,699 against a typical $437,513), its price per square foot is higher than 47% of them ($215 against a typical $218), it is bigger than 74% of them (2,444 ft² against a typical 1,990 ft²), its lot is bigger than 16% of them (2,004 ft² against a typical 0.26 ac) and it is newer than almost all of them (2025 against a typical 1988). Measured against all of Charles County, it is worth more than 74% of homes there. These shares are recounted nightly from the full county assessor record for each area, not from active listings.

More homes on Killenney Pl

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