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Single Family ResidenceResidential
$712,188$234 / 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 92How 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

21 CONSTANTINE DR

PHOENIX, MD 21131
3 / 1
Baths
3,044 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.
1.46 ac
Lot SizeThe size of the land the home sits on, from county records.
1983
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

$712K
$658K low$767K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,956 (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.$569,000 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$203,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$365,100
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$549,867
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$569,000

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
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.1.46
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 · 384 ft²Porch · 152 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
Jacksonville Elementary SchoolA
Elementary · Grades KG–5 · 0.5 mi
H
Dulaney High SchoolA-
High · Grades 9–12 · 4.1 mi
M
Cockeysville Middle SchoolB
Middle · Grades 6–8 · 4.2 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21131These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.87
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.46

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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
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.1.0%
PopulationHow many people live in this area.6,900
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.298 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$192,104
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$213,132
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.47 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

21 Constantine 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 90% of homes in Baltimore County
  • Costs less per square foot than 83% of homes in Phoenix 21131
  • Bigger than 92% of homes in Baltimore County
  • Has a bigger lot than 92% of homes in Baltimore County
  • Newer than 66% of homes in Baltimore County

What homes are worth in Phoenix 21131

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

This home
$349K$1.6M

This home is worth more than 45% of homes in Phoenix 21131.

How it measures up in Phoenix 21131

The dot is this home. The mark in the middle is the typical home in Phoenix 21131.

Estimated value$712,188
CheaperTypical $737,678Pricier

Pricier than 45% of homes nearby

Price per ft²$234
CheaperTypical $272Pricier

Pricier than 17% of homes nearby

Living area3,044 ft²
SmallerTypical 2,709 ft²Bigger

Bigger than 62% of homes nearby

Lot size1.46 ac
SmallerTypical 1.38 acBigger

Bigger than 53% of homes nearby

Year built1983
OlderTypical 1979Newer

Newer than 60% of homes nearby

How 21 Constantine Dr ranks against every home in each area.
MeasureThis homePhoenix 21131Baltimore County
Estimated valuepricier than$712,18845% of homes90% of homes
Price per ft²pricier than$23417% of homes52% of homes
Living areabigger than3,044 ft²62% of homes92% of homes
Lot sizebigger than1.46 ac53% of homes92% of homes
Year builtnewer than198360% of homes66% of homes

About 21 Constantine Dr

How much is 21 Constantine Dr, Phoenix, MD worth?

The TopHap Estimate for 21 Constantine Dr, Phoenix, MD is $712,188 as of Aug 30, 2026. The likely range is $657,844 to $766,532. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

How big is 21 Constantine Dr, Phoenix, MD?

21 Constantine Dr, Phoenix, MD has 3 bathrooms, 3,044 square feet of living space and a 1.46-acre lot.

When was 21 Constantine Dr, Phoenix, MD built?

21 Constantine Dr, Phoenix, MD was built in 1983, making it 43 years old. It is a conventional home. The building has 2 stories.

What schools serve 21 Constantine Dr, Phoenix, MD?

21 Constantine Dr, Phoenix, MD is assigned to Jacksonville Elementary School (elementary), rated A; Dulaney High School (high), rated A-; Cockeysville Middle School (middle), rated B. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 21 Constantine Dr, Phoenix, MD compare to other homes in Phoenix 21131?

Among the 2,787 homes in Phoenix 21131, it is worth more than 45% of them ($712,188 against a typical $737,678), its price per square foot is higher than 17% of them ($234 against a typical $272), it is bigger than 62% of them (3,044 ft² against a typical 2,709 ft²), its lot is bigger than 53% of them (1.46 ac against a typical 1.38 ac) and it is newer than 60% of them (1983 against a typical 1979). Measured against all of Baltimore County, it is worth more than 90% 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 21 Constantine Dr, Phoenix, MD?

The 2025 property tax bill for 21 Constantine Dr, Phoenix, MD was $6,956. The county assessed it at $569,000.

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Assigned schools

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