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TownhouseResidential
$367,627$214 / 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 Oct 21, 2026
Last sold for $127,000 on Mar 13, 1998

221 CASTLETON PL

UPPER MARLBORO, MD 20774
3 / 1
Baths
1,715 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.
2,533 ft²
Lot SizeThe size of the land the home sits on, from county records.
1979
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$368K
$352K low$384K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$127,000 · Mar 13, 1998

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,594 (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.$365,733 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$344,467
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$387,000

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
CountyPrince George's
Lot (acres)The size of the land the home sits on, from county records.0.06
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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 50 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
Largo High SchoolD+
High · Grades 9–12 · 0.2 mi
E
Kettering Elementary SchoolD+
Elementary · Grades PK–5 · 0.4 mi
M
Kettering Middle SchoolC-
Middle · Grades 6–8 · 0.6 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

221 Castleton 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 71% of homes in Upper Marlboro 20774
  • Costs less per square foot than 80% of homes in Prince George's County
  • Has a smaller lot than 78% of homes in Prince George's County
  • Older than 74% 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
$163K$937K

This home is worth more than 29% 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$367,627
CheaperTypical $457,958Pricier

Pricier than 29% of homes nearby

Price per ft²$214
CheaperTypical $242Pricier

Pricier than 26% of homes nearby

Living area1,715 ft²
SmallerTypical 1,788 ft²Bigger

Bigger than 46% of homes nearby

Lot size2,533 ft²
SmallerTypical 0.19 acBigger

Bigger than 31% of homes nearby

Year built1979
OlderTypical 1994Newer

Newer than 26% of homes nearby

How 221 Castleton Pl ranks against every home in each area.
MeasureThis homeUpper Marlboro 20774Prince George's County
Estimated valuepricier than$367,62729% of homes33% of homes
Price per ft²pricier than$21426% of homes20% of homes
Living areabigger than1,715 ft²46% of homes63% of homes
Lot sizebigger than2,533 ft²31% of homes22% of homes
Year builtnewer than197926% of homes53% of homes

About 221 Castleton Pl

How much is 221 Castleton Pl, Upper Marlboro, MD worth?

The TopHap Estimate for 221 Castleton Pl, Upper Marlboro, MD is $367,627 as of Oct 21, 2026. The likely range is $351,544 to $383,710. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 221 Castleton Pl, Upper Marlboro, MD last sell?

221 Castleton Pl, Upper Marlboro, MD last sold on Mar 13, 1998 for $127,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 221 Castleton Pl, Upper Marlboro, MD?

221 Castleton Pl, Upper Marlboro, MD has 3 bathrooms, 1,715 square feet of living space and a 0.06-acre lot.

When was 221 Castleton Pl, Upper Marlboro, MD built?

221 Castleton Pl, Upper Marlboro, MD was built in 1979, making it 47 years old. It is a townhouse home. The building has 2 stories.

What schools serve 221 Castleton Pl, Upper Marlboro, MD?

221 Castleton Pl, Upper Marlboro, MD is assigned to Largo High School (high), rated D+; 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 221 Castleton Pl, Upper Marlboro, MD compare to other homes in Upper Marlboro 20774?

Among the 20,043 homes in Upper Marlboro 20774, it is worth more than 29% of them ($367,627 against a typical $457,958), its price per square foot is higher than 26% of them ($214 against a typical $242), it is bigger than 46% of them (1,715 ft² against a typical 1,788 ft²), its lot is bigger than 31% of them (2,533 ft² against a typical 0.19 ac) and it is newer than 26% of them (1979 against a typical 1994). Measured against all of Prince George's County, it is worth more than 33% 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 221 Castleton Pl, Upper Marlboro, MD?

The 2023 property tax bill for 221 Castleton Pl, Upper Marlboro, MD was $3,594. The county assessed it at $365,733.

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