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Single Family ResidenceResidential
$362,422$328 / 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 94How 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

315 DISCOVERY DR

WESTMINSTER, MD 21157
1.5
Baths
1,104 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.
4 ac
Lot SizeThe size of the land the home sits on, from county records.
1982
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.

Valuation

$362K
$341K low$384K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$3,581 (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.$337,500 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$135,700
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$201,800
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$314,467
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$337,500

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.42
1
FloodProjected flooding risk from rivers, heavy rain, and storm surge, scored 0 to 100. Higher is riskier.
11
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.
86
StormProjected risk from heavy rainstorms, scored 0 to 100, based on how often extreme rainfall is expected. Higher is riskier.
37
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
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.4.00
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Electric
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 · 240 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 · 1.4 mi
E
Cranberry Station Elementary SchoolB+
Elementary · Grades PK–5 · 1.6 mi
M
Westminster East Middle SchoolC+
Middle · Grades 6–8 · 2.2 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

315 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 less than 77% of homes in Carroll County
  • Costs more per square foot than 84% of homes in Westminster 21157
  • Smaller than 89% of homes in Carroll County
  • Has a bigger lot than 92% 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 28% 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$362,422
CheaperTypical $445,374Pricier

Pricier than 28% of homes nearby

Price per ft²$328
CheaperTypical $260Pricier

Pricier than 84% of homes nearby

Living area1,104 ft²
SmallerTypical 1,732 ft²Bigger

Bigger than 12% of homes nearby

Lot size4 ac
SmallerTypical 0.61 acBigger

Bigger than 92% of homes nearby

Year built1982
OlderTypical 1979Newer

Newer than 53% of homes nearby

How 315 Discovery Dr ranks against every home in each area.
MeasureThis homeWestminster 21157Carroll County
Estimated valuepricier than$362,42228% of homes23% of homes
Price per ft²pricier than$32884% of homes81% of homes
Living areabigger than1,104 ft²12% of homes11% of homes
Lot sizebigger than4 ac92% of homes90% of homes
Year builtnewer than198253% of homes44% of homes

About 315 Discovery Dr

How much is 315 Discovery Dr, Westminster, MD worth?

The TopHap Estimate for 315 Discovery Dr, Westminster, MD is $362,422 as of Aug 30, 2026. The likely range is $340,587 to $384,257. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 315 Discovery Dr, Westminster, MD last sell?

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

How big is 315 Discovery Dr, Westminster, MD?

315 Discovery Dr, Westminster, MD has 1.5 bathrooms, 1,104 square feet of living space and a 4.00-acre lot.

When was 315 Discovery Dr, Westminster, MD built?

315 Discovery Dr, Westminster, MD was built in 1982, making it 44 years old. The building has 1 story.

What schools serve 315 Discovery Dr, Westminster, MD?

315 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 315 Discovery Dr, Westminster, MD compare to other homes in Westminster 21157?

Among the 12,568 homes in Westminster 21157, it is worth more than 28% of them ($362,422 against a typical $445,374), its price per square foot is higher than 84% of them ($328 against a typical $260), it is bigger than 12% of them (1,104 ft² against a typical 1,732 ft²), its lot is bigger than 92% of them (4 ac against a typical 0.61 ac) and it is newer than 53% of them (1982 against a typical 1979). Measured against all of Carroll County, it is worth more than 23% 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 315 Discovery Dr, Westminster, MD?

The 2025 property tax bill for 315 Discovery Dr, Westminster, MD was $3,581. The county assessed it at $337,500.

More homes on Discovery Dr

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Assigned schools

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