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Single Family ResidenceResidential
$530,666$207 / 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 Aug 30, 2026

330 DISCOVERY DR

WESTMINSTER, MD 21157
2.5
Baths
2,566 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.
5.03 ac
Lot SizeThe size of the land the home sits on, from county records.
1992
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

$531K
$506K low$555K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,722 (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.$436,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$134,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$302,500
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$416,867
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$436,500

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.5.03
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 With Air Conditioning
CoolingThe type of cooling or air conditioning in the home.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 · 986 ft²Patio · 100 ft²Porch · 206 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

H
Winters Mill High SchoolA-
High · Grades 9–12 · 1.5 mi
E
Cranberry Station Elementary SchoolB+
Elementary · Grades PK–5 · 1.6 mi
M
Westminster East Middle SchoolC+
Middle · Grades 6–8 · 2.3 mi

District: Carroll County Public Schools

Neighborhood · ZIP 21157These 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.105
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.80
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.23%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.4%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.41,419
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.542 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$105,034
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$121,439
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.44 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

330 Discovery 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 66% of homes in Westminster 21157
  • Costs less per square foot than 89% of homes in Carroll County
  • Bigger than 80% of homes in Westminster 21157
  • Has a bigger lot than 93% of homes in Westminster 21157
  • Newer than 72% of homes in Westminster 21157

What homes are worth in Westminster 21157

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

This home
$207K$949K

This home is worth more than 66% of homes in Westminster 21157.

How it measures up in Westminster 21157

The dot is this home. The mark in the middle is the typical home in Westminster 21157.

Estimated value$530,666
CheaperTypical $445,374Pricier

Pricier than 66% of homes nearby

Price per ft²$207
CheaperTypical $260Pricier

Pricier than 14% of homes nearby

Living area2,566 ft²
SmallerTypical 1,732 ft²Bigger

Bigger than 80% of homes nearby

Lot size5.03 ac
SmallerTypical 0.61 acBigger

Bigger than 93% of homes nearby

Year built1992
OlderTypical 1979Newer

Newer than 72% of homes nearby

How 330 Discovery Dr ranks against every home in each area.
MeasureThis homeWestminster 21157Carroll County
Estimated valuepricier than$530,66666% of homes61% of homes
Price per ft²pricier than$20714% of homes11% of homes
Living areabigger than2,566 ft²80% of homes80% of homes
Lot sizebigger than5.03 ac93% of homes92% of homes
Year builtnewer than199272% of homes65% of homes

About 330 Discovery Dr

How much is 330 Discovery Dr, Westminster, MD worth?

The TopHap Estimate for 330 Discovery Dr, Westminster, MD is $530,666 as of Aug 30, 2026. The likely range is $506,365 to $554,967. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 330 Discovery Dr, Westminster, MD last sell?

330 Discovery Dr, Westminster, MD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 330 Discovery Dr, Westminster, MD?

330 Discovery Dr, Westminster, MD has 2.5 bathrooms, 2,566 square feet of living space and a 5.03-acre lot.

When was 330 Discovery Dr, Westminster, MD built?

330 Discovery Dr, Westminster, MD was built in 1992, making it 34 years old. The building has 2 stories.

What schools serve 330 Discovery Dr, Westminster, MD?

330 Discovery Dr, Westminster, MD is assigned to Winters Mill High School (high), rated A-; Cranberry Station Elementary School (elementary), rated B+; Westminster East Middle School (middle), rated C+. All sit in Carroll County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 330 Discovery Dr, Westminster, MD compare to other homes in Westminster 21157?

Among the 12,568 homes in Westminster 21157, it is worth more than 66% of them ($530,666 against a typical $445,374), its price per square foot is higher than 14% of them ($207 against a typical $260), it is bigger than 80% of them (2,566 ft² against a typical 1,732 ft²), its lot is bigger than 93% of them (5.03 ac against a typical 0.61 ac) and it is newer than 72% of them (1992 against a typical 1979). Measured against all of Carroll County, it is worth more than 61% 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 330 Discovery Dr, Westminster, MD?

The 2025 property tax bill for 330 Discovery Dr, Westminster, MD was $4,722. The county assessed it at $436,500.

More homes on Discovery Dr

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Assigned schools

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