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Single Family ResidenceResidential
$700,253$248 / 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 98How 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 $485,000 on Aug 31, 2018

840 DEER RIDGE DR

WESTMINSTER, MD 21158
3.5
Baths
2,820 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.
5.23 ac
Lot SizeThe size of the land the home sits on, from county records.
2015
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
6
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$700K
$687K low$714K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$485,000 · Aug 31, 2018

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$6,762 (2026)
Assessed ValueThe value the county assigns to this home to calculate property tax. It is often lower than what the home would sell for.$758,700 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$161,100
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$597,600
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$675,600
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$758,700

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.
10
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.
88
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.5.23
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Heat Pump
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.Mixed
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 · 400 ft²Porch · 165 ft²

Transaction History(5)

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
Westminster Elementary SchoolB+
Elementary · Grades PK–5 · 2.2 mi
M
Westminster East Middle SchoolB+
Middle · Grades 6–8 · 3.2 mi
H
Winters Mill High SchoolB+
High · Grades 9–12 · 3.9 mi

District: Carroll County Public Schools

Neighborhood · ZIP 21158These 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.97
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.74
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.44

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.25%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.5%
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.21,498
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.288 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$112,468
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$135,145
Average tempThe average temperature here across a full year.53°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

840 Deer Ridge 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 92% of homes in Westminster 21158
  • Costs less per square foot than 65% of homes in Carroll County
  • Bigger than 87% of homes in Westminster 21158
  • Has a bigger lot than 93% of homes in Carroll County
  • Newer than 97% of homes in Westminster 21158

What homes are worth in Westminster 21158

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

This home
$250K$875K

This home is worth more than 92% of homes in Westminster 21158.

How it measures up in Westminster 21158

The dot is this home. The mark in the middle is the typical home in Westminster 21158.

Estimated value$700,253
CheaperTypical $453,171Pricier

Pricier than 92% of homes nearby

Price per ft²$248
CheaperTypical $253Pricier

Pricier than 45% of homes nearby

Living area2,820 ft²
SmallerTypical 1,761 ft²Bigger

Bigger than 87% of homes nearby

Lot size5.23 ac
SmallerTypical 0.8 acBigger

Bigger than 88% of homes nearby

Year built2015
OlderTypical 1987Newer

Newer than 97% of homes nearby

How 840 Deer Ridge Dr ranks against every home in each area.
MeasureThis homeWestminster 21158Carroll County
Estimated valuepricier than$700,25392% of homes84% of homes
Price per ft²pricier than$24845% of homes35% of homes
Living areabigger than2,820 ft²87% of homes86% of homes
Lot sizebigger than5.23 ac88% of homes93% of homes
Year builtnewer than201597% of homes95% of homes

About 840 Deer Ridge Dr

How much is 840 Deer Ridge Dr, Westminster, MD worth?

The TopHap Estimate for 840 Deer Ridge Dr, Westminster, MD is $700,253 as of Sep 24, 2026. The likely range is $686,799 to $713,707. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 840 Deer Ridge Dr, Westminster, MD last sell?

840 Deer Ridge Dr, Westminster, MD last sold on Aug 31, 2018 for $485,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 840 Deer Ridge Dr, Westminster, MD?

840 Deer Ridge Dr, Westminster, MD has 3.5 bathrooms, 2,820 square feet of living space and a 5.23-acre lot.

When was 840 Deer Ridge Dr, Westminster, MD built?

840 Deer Ridge Dr, Westminster, MD was built in 2015, making it 11 years old. The building has 2 stories.

What schools serve 840 Deer Ridge Dr, Westminster, MD?

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

How does 840 Deer Ridge Dr, Westminster, MD compare to other homes in Westminster 21158?

Among the 7,107 homes in Westminster 21158, it is worth more than 92% of them ($700,253 against a typical $453,171), its price per square foot is higher than 45% of them ($248 against a typical $253), it is bigger than 87% of them (2,820 ft² against a typical 1,761 ft²), its lot is bigger than 88% of them (5.23 ac against a typical 0.8 ac) and it is newer than 97% of them (2015 against a typical 1987). Measured against all of Carroll County, it is worth more than 84% 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 840 Deer Ridge Dr, Westminster, MD?

The 2026 property tax bill for 840 Deer Ridge Dr, Westminster, MD was $6,762. The county assessed it at $758,700.

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