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TownhouseResidential
$334,600$204 / 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 91How 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 $337,000 on Feb 14, 2024

509 CONSTANT RIDGE CT

ABINGDON, MD 21009
1.5
Baths
1,640 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.
2,010 ft²
Lot SizeThe size of the land the home sits on, from county records.
1998
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$335K
$305K low$364K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$337,000 · Feb 14, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$2,842 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$260,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$58,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$202,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$244,067
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$260,800

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
CountyHARFORD
Lot (acres)The size of the land the home sits on, from county records.0.05
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Forced Air With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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.Deck · 240 ft²

Transaction History(4)

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
Abingdon Elementary SchoolB-
Elementary · Grades PK–5 · 0.7 mi
M
Edgewood Middle SchoolC
Middle · Grades 6–8 · 3.6 mi
H
Edgewood High SchoolD+
High · Grades 9–12 · 3.7 mi

District: Harford County Public Schools

Neighborhood · ZIP 21009These 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.74
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 100.48

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.5.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.1.1%
PopulationHow many people live in this area.32,351
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,690 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$110,452
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$132,217
Average tempThe average temperature here across a full year.55°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

509 Constant Ridge Ct 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 69% of homes in Harford County
  • Costs less per square foot than 79% of homes in Harford County
  • Has a smaller lot than 89% of homes in Harford County
  • Newer than 71% of homes in Harford County

What homes are worth in Abingdon 21009

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

This home
$209K$676K

This home is worth more than 42% of homes in Abingdon 21009.

How it measures up in Abingdon 21009

The dot is this home. The mark in the middle is the typical home in Abingdon 21009.

Estimated value$334,600
CheaperTypical $365,231Pricier

Pricier than 42% of homes nearby

Price per ft²$204
CheaperTypical $225Pricier

Pricier than 23% of homes nearby

Living area1,640 ft²
SmallerTypical 1,520 ft²Bigger

Bigger than 59% of homes nearby

Lot size2,010 ft²
SmallerTypical 0.17 acBigger

Bigger than 25% of homes nearby

Year built1998
OlderTypical 1993Newer

Newer than 69% of homes nearby

How 509 Constant Ridge Ct ranks against every home in each area.
MeasureThis homeAbingdon 21009Harford County
Estimated valuepricier than$334,60042% of homes31% of homes
Price per ft²pricier than$20423% of homes21% of homes
Living areabigger than1,640 ft²59% of homes49% of homes
Lot sizebigger than2,010 ft²25% of homes11% of homes
Year builtnewer than199869% of homes71% of homes

About 509 Constant Ridge Ct

How much is 509 Constant Ridge Ct, Abingdon, MD worth?

The TopHap Estimate for 509 Constant Ridge Ct, Abingdon, MD is $334,600 as of Aug 30, 2026. The likely range is $305,323 to $363,877. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 509 Constant Ridge Ct, Abingdon, MD last sell?

509 Constant Ridge Ct, Abingdon, MD last sold on Feb 14, 2024 for $337,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 509 Constant Ridge Ct, Abingdon, MD?

509 Constant Ridge Ct, Abingdon, MD has 1.5 bathrooms, 1,640 square feet of living space and a 0.05-acre lot.

When was 509 Constant Ridge Ct, Abingdon, MD built?

509 Constant Ridge Ct, Abingdon, MD was built in 1998, making it 28 years old. It is a townhouse home. The building has 2 stories.

What schools serve 509 Constant Ridge Ct, Abingdon, MD?

509 Constant Ridge Ct, Abingdon, MD is assigned to Abingdon Elementary School (elementary), rated B-; Edgewood Middle School (middle), rated C; Edgewood High School (high), rated D+. All sit in Harford County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 509 Constant Ridge Ct, Abingdon, MD compare to other homes in Abingdon 21009?

Among the 11,239 homes in Abingdon 21009, it is worth more than 42% of them ($334,600 against a typical $365,231), its price per square foot is higher than 23% of them ($204 against a typical $225), it is bigger than 59% of them (1,640 ft² against a typical 1,520 ft²), its lot is bigger than 25% of them (2,010 ft² against a typical 0.17 ac) and it is newer than 69% of them (1998 against a typical 1993). Measured against all of Harford County, it is worth more than 31% 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 509 Constant Ridge Ct, Abingdon, MD?

The 2026 property tax bill for 509 Constant Ridge Ct, Abingdon, MD was $2,842. The county assessed it at $260,800.

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