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Single Family ResidenceResidential
$521,452$209 / 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 Aug 30, 2026

501 CASTLEWOOD PL

UPPER MARLBORO, MD 20774
4 / 2
Baths
2,496 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.
0.29 ac
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

$521K
$495K low$548K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,795 (2023)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$494,733 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$462,967
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$526,500

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.161 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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Conventional
CountyPrince George's
Lot (acres)The size of the land the home sits on, from county records.0.29
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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.Yes
FireplaceWhether the home has a fireplace, and what kind.Yes
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.

H
Largo High SchoolC-
High · Grades 9–12 · 1.1 mi
E
Kettering Elementary SchoolD-
Elementary · Grades PK–5 · 1.5 mi
M
Kettering Middle SchoolC-
Middle · Grades 6–8 · 1.7 mi

District: Prince George's County Public Schools

Neighborhood · ZIP 20774These 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.72
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 100.37

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.3%
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.50,490
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,476 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$133,317
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$154,365
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

501 Castlewood 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 74% of homes in Prince George's County
  • Costs less per square foot than 83% of homes in Prince George's County
  • Bigger than 84% of homes in Prince George's County
  • Has a bigger lot than 78% of homes in Upper Marlboro 20774

What homes are worth in Upper Marlboro 20774

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

This home
$148K$955K

This home is worth more than 65% of homes in Upper Marlboro 20774.

How it measures up in Upper Marlboro 20774

The dot is this home. The mark in the middle is the typical home in Upper Marlboro 20774.

Estimated value$521,452
CheaperTypical $459,492Pricier

Pricier than 65% of homes nearby

Price per ft²$209
CheaperTypical $243Pricier

Pricier than 22% of homes nearby

Living area2,496 ft²
SmallerTypical 1,786 ft²Bigger

Bigger than 78% of homes nearby

Lot size0.29 ac
SmallerTypical 0.19 acBigger

Bigger than 78% of homes nearby

Year built1988
OlderTypical 1994Newer

Newer than 41% of homes nearby

How 501 Castlewood Pl ranks against every home in each area.
MeasureThis homeUpper Marlboro 20774Prince George's County
Estimated valuepricier than$521,45265% of homes74% of homes
Price per ft²pricier than$20922% of homes17% of homes
Living areabigger than2,496 ft²78% of homes84% of homes
Lot sizebigger than0.29 ac78% of homes76% of homes
Year builtnewer than198841% of homes64% of homes

About 501 Castlewood Pl

How much is 501 Castlewood Pl, Upper Marlboro, MD worth?

The TopHap Estimate for 501 Castlewood Pl, Upper Marlboro, MD is $521,452 as of Aug 30, 2026. The likely range is $495,246 to $547,658. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 501 Castlewood Pl, Upper Marlboro, MD last sell?

501 Castlewood Pl, Upper Marlboro, MD last sold on Mar 26, 1998, according to the county's recorded deed.

How big is 501 Castlewood Pl, Upper Marlboro, MD?

501 Castlewood Pl, Upper Marlboro, MD has 4 bathrooms, 2,496 square feet of living space and a 0.29-acre lot.

When was 501 Castlewood Pl, Upper Marlboro, MD built?

501 Castlewood Pl, Upper Marlboro, MD was built in 1988, making it 38 years old. It is a conventional home. The building has 2 stories.

What schools serve 501 Castlewood Pl, Upper Marlboro, MD?

501 Castlewood Pl, Upper Marlboro, MD is assigned to Largo High School (high), rated C-; Kettering Elementary School (elementary), rated D-; Kettering Middle School (middle), rated C-. All sit in Prince George's County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 501 Castlewood Pl, Upper Marlboro, MD compare to other homes in Upper Marlboro 20774?

Among the 19,950 homes in Upper Marlboro 20774, it is worth more than 65% of them ($521,452 against a typical $459,492), its price per square foot is higher than 22% of them ($209 against a typical $243), it is bigger than 78% of them (2,496 ft² against a typical 1,786 ft²), its lot is bigger than 78% of them (0.29 ac against a typical 0.19 ac) and it is newer than 41% of them (1988 against a typical 1994). Measured against all of Prince George's 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.

What are the property taxes on 501 Castlewood Pl, Upper Marlboro, MD?

The 2023 property tax bill for 501 Castlewood Pl, Upper Marlboro, MD was $4,795. The county assessed it at $494,733.

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