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Rural ResidenceResidential
$848,685$288 / 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

18412 GUNPOWDER RD

HAMPSTEAD, MD 21074
3
Baths
2,944 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.
45.54 ac
Lot SizeThe size of the land the home sits on, from county records.
1953
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$849K
$736K low$961K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,876 (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.$435,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$112,300
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$323,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$412,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$435,900

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.54 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.Rural 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.45.54
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
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 · 192 ft²Shed · 1,886 ft²Porch · 477 ft²

Transaction History(1)

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
Fifth District Elementary SchoolA
Elementary · Grades KG–5 · 2.0 mi
H
Hereford High SchoolA+
High · Grades 9–12 · 7.1 mi
M
Hereford Middle SchoolA
Middle · Grades 6–8 · 8.1 mi

District: Baltimore County Public Schools

Neighborhood · ZIP 21074These 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.94
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.84
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.9%
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.16,114
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.408 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$108,515
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$132,821
Average tempThe average temperature here across a full year.53°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

18412 Gunpowder Rd 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 98% of homes in Hampstead 21074
  • Costs more per square foot than 81% of homes in Baltimore County
  • Bigger than 91% of homes in Hampstead 21074
  • Among the largest lots in Baltimore County
  • Older than 87% of homes in Hampstead 21074

What homes are worth in Hampstead 21074

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

This home
$199K$885K

This home is worth more than 98% of homes in Hampstead 21074.

How it measures up in Hampstead 21074

The dot is this home. The mark in the middle is the typical home in Hampstead 21074.

Estimated value$848,685
CheaperTypical $410,471Pricier

Pricier than 98% of homes nearby

Price per ft²$288
CheaperTypical $256Pricier

Pricier than 75% of homes nearby

Living area2,944 ft²
SmallerTypical 1,680 ft²Bigger

Bigger than 91% of homes nearby

Lot size45.54 ac
SmallerTypical 0.6 acBigger

Bigger than almost all homes nearby

Year built1953
OlderTypical 1985Newer

Newer than 13% of homes nearby

How 18412 Gunpowder Rd ranks against every home in each area.
MeasureThis homeHampstead 21074Baltimore County
Estimated valuepricier than$848,68598% of homes95% of homes
Price per ft²pricier than$28875% of homes81% of homes
Living areabigger than2,944 ft²91% of homes91% of homes
Lot sizebigger than45.54 acalmost all homesalmost all homes
Year builtnewer than195313% of homes27% of homes

About 18412 Gunpowder Rd

How much is 18412 Gunpowder Rd, Hampstead, MD worth?

The TopHap Estimate for 18412 Gunpowder Rd, Hampstead, MD is $848,685 as of Aug 30, 2026. The likely range is $735,918 to $961,452. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 18412 Gunpowder Rd, Hampstead, MD last sell?

18412 Gunpowder Rd, Hampstead, MD last sold on Jul 25, 2003, according to the county's recorded deed.

How big is 18412 Gunpowder Rd, Hampstead, MD?

18412 Gunpowder Rd, Hampstead, MD has 3 bathrooms, 2,944 square feet of living space and a 45.54-acre lot.

When was 18412 Gunpowder Rd, Hampstead, MD built?

18412 Gunpowder Rd, Hampstead, MD was built in 1953, making it 73 years old. It is a conventional home. The building has 1 story.

What schools serve 18412 Gunpowder Rd, Hampstead, MD?

18412 Gunpowder Rd, Hampstead, MD is assigned to Fifth District Elementary School (elementary), rated A; Hereford High School (high), rated A+; Hereford Middle School (middle), rated A. All sit in Baltimore County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 18412 Gunpowder Rd, Hampstead, MD compare to other homes in Hampstead 21074?

Among the 5,669 homes in Hampstead 21074, it is worth more than 98% of them ($848,685 against a typical $410,471), its price per square foot is higher than 75% of them ($288 against a typical $256), it is bigger than 91% of them (2,944 ft² against a typical 1,680 ft²), its lot is bigger than almost all of them (45.54 ac against a typical 0.6 ac) and it is newer than 13% of them (1953 against a typical 1985). Measured against all of Baltimore County, it is worth more than 95% 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 18412 Gunpowder Rd, Hampstead, MD?

The 2025 property tax bill for 18412 Gunpowder Rd, Hampstead, MD was $4,876. The county assessed it at $435,900.

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