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Single Family ResidenceResidential
$1,084,008$397 / 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 87How 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 $1,038,000 on Jun 30, 2025

3478 CONSTELLATION DR

DAVIDSONVILLE, MD 21035
2.5
Baths
2,728 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.
1.17 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$1.1M
$947K low$1.2M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,038,000 · Jun 30, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$8,929 (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.$859,300 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$441,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$417,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$798,533
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$859,300

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.6
1
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.
9
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.Conventional
CountyANNE ARUNDEL
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Baseboard
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 · 168 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.

E
Davidsonville Elementary SchoolA
Elementary · Grades KG–5 · 3.3 mi
H
South River High SchoolA-
High · Grades 9–12 · 3.6 mi
M
Central Middle SchoolA-
Middle · Grades 6–8 · 3.9 mi

District: Anne Arundel County Public Schools

Neighborhood · ZIP 21035These 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.54
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.33

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.34%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.3%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.8,399
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.294 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$178,812
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$205,016
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%

Owner Tools

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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

3478 Constellation Dr 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 93% of homes in Anne Arundel County
  • Costs more per square foot than 91% of homes in Davidsonville 21035
  • Bigger than 81% of homes in Anne Arundel County
  • Has a bigger lot than 91% of homes in Anne Arundel County
  • Older than 73% of homes in Davidsonville 21035

What homes are worth in Davidsonville 21035

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

This home
$395K$1.8M

This home is worth more than 68% of homes in Davidsonville 21035.

How it measures up in Davidsonville 21035

The dot is this home. The mark in the middle is the typical home in Davidsonville 21035.

Estimated value$1,084,008
CheaperTypical $941,257Pricier

Pricier than 68% of homes nearby

Price per ft²$397
CheaperTypical $295Pricier

Pricier than 91% of homes nearby

Living area2,728 ft²
SmallerTypical 3,156 ft²Bigger

Bigger than 38% of homes nearby

Lot size1.17 ac
SmallerTypical 1.81 acBigger

Bigger than 38% of homes nearby

Year built1975
OlderTypical 1984Newer

Newer than 27% of homes nearby

How 3478 Constellation Dr ranks against every home in each area.
MeasureThis homeDavidsonville 21035Anne Arundel County
Estimated valuepricier than$1,084,00868% of homes93% of homes
Price per ft²pricier than$39791% of homes90% of homes
Living areabigger than2,728 ft²38% of homes81% of homes
Lot sizebigger than1.17 ac38% of homes91% of homes
Year builtnewer than197527% of homes40% of homes

About 3478 Constellation Dr

How much is 3478 Constellation Dr, Davidsonville, MD worth?

The TopHap Estimate for 3478 Constellation Dr, Davidsonville, MD is $1,084,008 as of Aug 30, 2026. The likely range is $947,332 to $1,220,684. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 3478 Constellation Dr, Davidsonville, MD last sell?

3478 Constellation Dr, Davidsonville, MD last sold on Jun 30, 2025 for $1,038,000, according to the county's recorded deed.

How big is 3478 Constellation Dr, Davidsonville, MD?

3478 Constellation Dr, Davidsonville, MD has 2.5 bathrooms and 2,728 square feet of living space.

When was 3478 Constellation Dr, Davidsonville, MD built?

3478 Constellation Dr, Davidsonville, MD was built in 1975, making it 51 years old. It is a conventional home. The building has 2 stories.

What schools serve 3478 Constellation Dr, Davidsonville, MD?

3478 Constellation Dr, Davidsonville, MD is assigned to Davidsonville Elementary School (elementary), rated A; South River High School (high), rated A-; Central Middle School (middle), rated A-. All sit in Anne Arundel County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 3478 Constellation Dr, Davidsonville, MD compare to other homes in Davidsonville 21035?

Among the 3,222 homes in Davidsonville 21035, it is worth more than 68% of them ($1,084,008 against a typical $941,257), its price per square foot is higher than 91% of them ($397 against a typical $295), it is bigger than 38% of them (2,728 ft² against a typical 3,156 ft²), its lot is bigger than 38% of them (1.17 ac against a typical 1.81 ac) and it is newer than 27% of them (1975 against a typical 1984). Measured against all of Anne Arundel County, it is worth more than 93% 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 3478 Constellation Dr, Davidsonville, MD?

The 2025 property tax bill for 3478 Constellation Dr, Davidsonville, MD was $8,929. The county assessed it at $859,300.

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