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Single Family ResidenceResidential
$336,437$312 / 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
Last sold for $119,900 on Aug 10, 1995

21630 CONSTELLATION ST

LEXINGTON PARK, MD 20653
3
Baths
1,080 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.
0.22 ac
Lot SizeThe size of the land the home sits on, from county records.
1978
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$336K
$320K low$353K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$119,900 · Aug 10, 1995

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,132 (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.$308,400 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$100,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$208,400
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$286,433
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$308,400

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.43
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
27
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
82
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
85
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
23
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.Single Family Residence
StyleThe architectural style of the home, such as ranch or colonial.Split Foyer
CountyST. MARY'S
Lot (acres)The size of the land the home sits on, from county records.0.22
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
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 · 352 ft²

Transaction History(1)

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
Park Hall Elementary SchoolD+
Elementary · Grades PK–5 · 3.3 mi
M
Spring Ridge Middle SchoolC
Middle · Grades 6–8 · 3.5 mi
H
Great Mills High SchoolD+
High · Grades 9–12 · 4.1 mi

District: St. Marys County Public Schools

Neighborhood · ZIP 20653These 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.126
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 100.32

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.93%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.11%
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.24,562
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.655 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$94,568
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$118,240
Average tempThe average temperature here across a full year.57°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

21630 Constellation 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.

  • Worth less than 76% of homes in St. Mary's County
  • Costs more per square foot than 94% of homes in Lexington Park 20653
  • Smaller than 90% of homes in Lexington Park 20653
  • Has a smaller lot than 78% of homes in St. Mary's County
  • Older than 72% of homes in Lexington Park 20653

What homes are worth in Lexington Park 20653

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

This home
$162K$832K

This home is worth more than 35% of homes in Lexington Park 20653.

How it measures up in Lexington Park 20653

The dot is this home. The mark in the middle is the typical home in Lexington Park 20653.

Estimated value$336,437
CheaperTypical $387,712Pricier

Pricier than 35% of homes nearby

Price per ft²$312
CheaperTypical $207Pricier

Pricier than 94% of homes nearby

Living area1,080 ft²
SmallerTypical 1,784 ft²Bigger

Bigger than 10% of homes nearby

Lot size0.22 ac
SmallerTypical 0.26 acBigger

Bigger than 41% of homes nearby

Year built1978
OlderTypical 1995Newer

Newer than 28% of homes nearby

How 21630 Constellation St ranks against every home in each area.
MeasureThis homeLexington Park 20653St. Mary's County
Estimated valuepricier than$336,43735% of homes24% of homes
Price per ft²pricier than$31294% of homes83% of homes
Living areabigger than1,080 ft²10% of homes12% of homes
Lot sizebigger than0.22 ac41% of homes22% of homes
Year builtnewer than197828% of homes30% of homes

About 21630 Constellation St

How much is 21630 Constellation St, Lexington Park, MD worth?

The TopHap Estimate for 21630 Constellation St, Lexington Park, MD is $336,437 as of Aug 30, 2026. The likely range is $319,532 to $353,342. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 21630 Constellation St, Lexington Park, MD last sell?

21630 Constellation St, Lexington Park, MD last sold on Aug 10, 1995 for $119,900, according to the county's recorded deed.

How big is 21630 Constellation St, Lexington Park, MD?

21630 Constellation St, Lexington Park, MD has 3 bathrooms, 1,080 square feet of living space and a 0.22-acre lot.

When was 21630 Constellation St, Lexington Park, MD built?

21630 Constellation St, Lexington Park, MD was built in 1978, making it 48 years old. It is a split foyer home. The building has 1 story.

What schools serve 21630 Constellation St, Lexington Park, MD?

21630 Constellation St, Lexington Park, MD is assigned to Park Hall Elementary School (elementary), rated D+; Spring Ridge Middle School (middle), rated C; Great Mills High School (high), rated D+. All sit in St. Marys County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21630 Constellation St, Lexington Park, MD compare to other homes in Lexington Park 20653?

Among the 6,719 homes in Lexington Park 20653, it is worth more than 35% of them ($336,437 against a typical $387,712), its price per square foot is higher than 94% of them ($312 against a typical $207), it is bigger than 10% of them (1,080 ft² against a typical 1,784 ft²), its lot is bigger than 41% of them (0.22 ac against a typical 0.26 ac) and it is newer than 28% of them (1978 against a typical 1995). Measured against all of St. Mary's County, it is worth more than 24% 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 21630 Constellation St, Lexington Park, MD?

The 2025 property tax bill for 21630 Constellation St, Lexington Park, MD was $3,132. The county assessed it at $308,400.

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