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Single Family ResidenceResidential
$904,764$171 / 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 Sep 24, 2026
Last sold for $799,500 on Mar 21, 2007

18 STONE SPRING CT

CATONSVILLE, MD 21228
4.5
Baths
5,277 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.
0.71 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
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

$905K
$858K low$952K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$799,500 · Mar 21, 2007

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$10,027 (2024)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$774,133 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$700,900
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$920,600

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.41
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
15
WildfireProjected wildfire risk, scored 0 to 100, based on how much land burns in a typical year. Higher is riskier.
76
HeatProjected heat risk, scored 0 to 100, based on how many extremely hot days a year are expected. Higher is riskier.
73
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
43
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
CountyBALTIMORE
Lot (acres)The size of the land the home sits on, from county records.0.71
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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 · 195 ft²Patio · 528 ft²

Transaction History(3)

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
Catonsville High SchoolA-
High · Grades 9–12 · 1.2 mi
M
Arbutus Middle SchoolC+
Middle · Grades 6–8 · 1.6 mi
E
Catonsville Elementary SchoolB+
Elementary · Grades PK–5 · 2.0 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21228These 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.77
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.85
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.9%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.50,431
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,282 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,332
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$127,045
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.45 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

18 Stone Spring 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.

  • Among the most valuable homes in Catonsville 21228
  • Among the lowest price per square foot in Catonsville 21228
  • Among the largest homes in Catonsville 21228
  • Has a bigger lot than 96% of homes in Catonsville 21228
  • Newer than 91% of homes in Catonsville 21228

What homes are worth in Catonsville 21228

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

This home
$242K$870K

This home is worth more than almost all homes in Catonsville 21228.

How it measures up in Catonsville 21228

The dot is this home. The mark in the middle is the typical home in Catonsville 21228.

Estimated value$904,764
CheaperTypical $433,155Pricier

Pricier than almost all homes nearby

Price per ft²$171
CheaperTypical $274Pricier

Cheaper than almost all homes nearby

Living area5,277 ft²
SmallerTypical 1,506 ft²Bigger

Bigger than almost all homes nearby

Lot size0.71 ac
SmallerTypical 0.18 acBigger

Bigger than 96% of homes nearby

Year built1994
OlderTypical 1958Newer

Newer than 91% of homes nearby

How 18 Stone Spring Ct ranks against every home in each area.
MeasureThis homeCatonsville 21228Baltimore County
Estimated valuepricier than$904,764almost all homes96% of homes
Price per ft²pricier than$171almost no homes12% of homes
Living areabigger than5,277 ft²almost all homesalmost all homes
Lot sizebigger than0.71 ac96% of homes86% of homes
Year builtnewer than199491% of homes81% of homes

About 18 Stone Spring Ct

How much is 18 Stone Spring Ct, Catonsville, MD worth?

The TopHap Estimate for 18 Stone Spring Ct, Catonsville, MD is $904,764 as of Sep 24, 2026. The likely range is $857,561 to $951,967. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Stone Spring Ct, Catonsville, MD last sell?

18 Stone Spring Ct, Catonsville, MD last sold on Mar 21, 2007 for $799,500, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Stone Spring Ct, Catonsville, MD?

18 Stone Spring Ct, Catonsville, MD has 4.5 bathrooms, 5,277 square feet of living space and a 0.71-acre lot.

When was 18 Stone Spring Ct, Catonsville, MD built?

18 Stone Spring Ct, Catonsville, MD was built in 1994, making it 32 years old. It is a conventional home. The building has 2 stories.

What schools serve 18 Stone Spring Ct, Catonsville, MD?

18 Stone Spring Ct, Catonsville, MD is assigned to Catonsville High School (high), rated A-; Arbutus Middle School (middle), rated C+; Catonsville Elementary School (elementary), rated B+. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Stone Spring Ct, Catonsville, MD compare to other homes in Catonsville 21228?

Among the 15,172 homes in Catonsville 21228, it is worth more than almost all of them ($904,764 against a typical $433,155), its price per square foot is higher than almost none of them ($171 against a typical $274), it is bigger than almost all of them (5,277 ft² against a typical 1,506 ft²), its lot is bigger than 96% of them (0.71 ac against a typical 0.18 ac) and it is newer than 91% of them (1994 against a typical 1958). Measured against all of Baltimore County, it is worth more than 96% 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 18 Stone Spring Ct, Catonsville, MD?

The 2024 property tax bill for 18 Stone Spring Ct, Catonsville, MD was $10,027. The county assessed it at $774,133.

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