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Single Family ResidenceResidential
$424,211$356 / 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 96How 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 $269,900 on Dec 12, 2019

331 ROBERTS MILL RD

TANEYTOWN, MD 21787
3
Baths
1,192 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.
0.37 ac
Lot SizeThe size of the land the home sits on, from county records.
1993
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$424K
$407K low$442K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$269,900 · Dec 12, 2019

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,376 (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.$335,800 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$97,500
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$238,300
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$313,767
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$335,800

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 Foyer
CountyCARROLL
Lot (acres)The size of the land the home sits on, from county records.0.37
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
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.Patio · 168 ft²Porch · 24 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.

M
Northwest Middle SchoolA-
Middle · Grades 6–8 · 0.3 mi
E
Taneytown Elementary SchoolC
Elementary · Grades PK–5 · 0.4 mi
H
Francis Scott Key High SchoolB+
High · Grades 9–12 · 4.7 mi

District: Carroll County Public Schools

Neighborhood · ZIP 21787These 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.135
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.69
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.14%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.8%
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.11,508
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.200 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$84,842
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$111,986
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

331 Roberts Mill 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.

  • Costs more per square foot than 95% of homes in Taneytown 21787
  • Smaller than 84% of homes in Carroll County
  • Has a smaller lot than 65% of homes in Carroll County
  • Newer than 67% of homes in Carroll County

What homes are worth in Taneytown 21787

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

This home
$185K$868K

This home is worth more than 60% of homes in Taneytown 21787.

How it measures up in Taneytown 21787

The dot is this home. The mark in the middle is the typical home in Taneytown 21787.

Estimated value$424,211
CheaperTypical $387,917Pricier

Pricier than 60% of homes nearby

Price per ft²$356
CheaperTypical $232Pricier

Pricier than 95% of homes nearby

Living area1,192 ft²
SmallerTypical 1,638 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.37 ac
SmallerTypical 0.26 acBigger

Bigger than 61% of homes nearby

Year built1993
OlderTypical 1989Newer

Newer than 56% of homes nearby

How 331 Roberts Mill Rd ranks against every home in each area.
MeasureThis homeTaneytown 21787Carroll County
Estimated valuepricier than$424,21160% of homes38% of homes
Price per ft²pricier than$35695% of homes89% of homes
Living areabigger than1,192 ft²22% of homes16% of homes
Lot sizebigger than0.37 ac61% of homes35% of homes
Year builtnewer than199356% of homes67% of homes

About 331 Roberts Mill Rd

How much is 331 Roberts Mill Rd, Taneytown, MD worth?

The TopHap Estimate for 331 Roberts Mill Rd, Taneytown, MD is $424,211 as of Aug 30, 2026. The likely range is $406,689 to $441,733. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 331 Roberts Mill Rd, Taneytown, MD last sell?

331 Roberts Mill Rd, Taneytown, MD last sold on Dec 12, 2019 for $269,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 331 Roberts Mill Rd, Taneytown, MD?

331 Roberts Mill Rd, Taneytown, MD has 3 bathrooms, 1,192 square feet of living space and a 0.37-acre lot.

When was 331 Roberts Mill Rd, Taneytown, MD built?

331 Roberts Mill Rd, Taneytown, MD was built in 1993, making it 33 years old. It is a split foyer home. The building has 2 stories.

What schools serve 331 Roberts Mill Rd, Taneytown, MD?

331 Roberts Mill Rd, Taneytown, MD is assigned to Northwest Middle School (middle), rated A-; Taneytown Elementary School (elementary), rated C; Francis Scott Key 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 331 Roberts Mill Rd, Taneytown, MD compare to other homes in Taneytown 21787?

Among the 4,443 homes in Taneytown 21787, it is worth more than 60% of them ($424,211 against a typical $387,917), its price per square foot is higher than 95% of them ($356 against a typical $232), it is bigger than 22% of them (1,192 ft² against a typical 1,638 ft²), its lot is bigger than 61% of them (0.37 ac against a typical 0.26 ac) and it is newer than 56% of them (1993 against a typical 1989). Measured against all of Carroll County, it is worth more than 38% 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 331 Roberts Mill Rd, Taneytown, MD?

The 2025 property tax bill for 331 Roberts Mill Rd, Taneytown, MD was $4,376. The county assessed it at $335,800.

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