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Single Family ResidenceResidential
$701,919$224 / 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 90How 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 $675,000 on Dec 19, 2024

18 GERWELL CT

UPPER FALLS, MD 21156
3 / 1
Baths
3,132 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.
1.42 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.
2
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$702K
$633K low$771K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$675,000 · Dec 19, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,623 (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.$541,500 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$527,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$555,400

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.13 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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 Level
CountyBaltimore
Lot (acres)The size of the land the home sits on, from county records.1.42
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.Forced Air
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, Built-in
PoolWhether the property has a pool, and what kind, such as in-ground.In-Ground Vinyl Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Patio · 384 ft²Porch · 60 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
Kingsville Elementary SchoolA+
Elementary · Grades KG–5 · 1.4 mi
H
Perry Hall High SchoolC
High · Grades 9–12 · 5.0 mi
M
Perry Hall Middle SchoolC
Middle · Grades 6–8 · 5.2 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21156These 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.89
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.91
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.45

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.95%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.22%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.6.3%
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.321
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.248 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$106,567
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$125,333
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%

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 Gerwell 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 more than 90% of homes in Baltimore County
  • 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 Upper Falls 21156

What homes are worth in Upper Falls 21156

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

This home
$275K$815K

This home is worth more than 86% of homes in Upper Falls 21156.

How it measures up in Upper Falls 21156

The dot is this home. The mark in the middle is the typical home in Upper Falls 21156.

Estimated value$701,919
CheaperTypical $517,248Pricier

Pricier than 86% of homes nearby

Price per ft²$224
CheaperTypical $241Pricier

Pricier than 36% of homes nearby

Living area3,132 ft²
SmallerTypical 2,191 ft²Bigger

Bigger than 84% of homes nearby

Lot size1.42 ac
SmallerTypical 1.9 acBigger

Bigger than 41% of homes nearby

Year built1978
OlderTypical 1958Newer

Newer than 66% of homes nearby

How 18 Gerwell Ct ranks against every home in each area.
MeasureThis homeUpper Falls 21156Baltimore County
Estimated valuepricier than$701,91986% of homes90% of homes
Price per ft²pricier than$22436% of homes45% of homes
Living areabigger than3,132 ft²84% of homes92% of homes
Lot sizebigger than1.42 ac41% of homes92% of homes
Year builtnewer than197866% of homes62% of homes

About 18 Gerwell Ct

How much is 18 Gerwell Ct, Upper Falls, MD worth?

The TopHap Estimate for 18 Gerwell Ct, Upper Falls, MD is $701,919 as of Aug 30, 2026. The likely range is $633,149 to $770,689. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18 Gerwell Ct, Upper Falls, MD last sell?

18 Gerwell Ct, Upper Falls, MD last sold on Dec 19, 2024 for $675,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 18 Gerwell Ct, Upper Falls, MD?

18 Gerwell Ct, Upper Falls, MD has 3 bathrooms, 3,132 square feet of living space and a 1.42-acre lot.

When was 18 Gerwell Ct, Upper Falls, MD built?

18 Gerwell Ct, Upper Falls, MD was built in 1978, making it 48 years old. It is a split level home. The building has 2 stories.

What schools serve 18 Gerwell Ct, Upper Falls, MD?

18 Gerwell Ct, Upper Falls, MD is assigned to Kingsville Elementary School (elementary), rated A+; Perry Hall High School (high), rated C; Perry Hall Middle School (middle), rated C. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18 Gerwell Ct, Upper Falls, MD compare to other homes in Upper Falls 21156?

Among the 131 homes in Upper Falls 21156, it is worth more than 86% of them ($701,919 against a typical $517,248), its price per square foot is higher than 36% of them ($224 against a typical $241), it is bigger than 84% of them (3,132 ft² against a typical 2,191 ft²), its lot is bigger than 41% of them (1.42 ac against a typical 1.9 ac) and it is newer than 66% of them (1978 against a typical 1958). 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 18 Gerwell Ct, Upper Falls, MD?

The 2025 property tax bill for 18 Gerwell Ct, Upper Falls, MD was $6,623. The county assessed it at $541,500.

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