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Single Family ResidenceResidential
$476,729$355 / 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 Sep 24, 2026
Last sold for $363,000 on Dec 29, 2010

7721 RIDGE RD

MARRIOTTSVILLE, MD 21104
3
Baths
1,344 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.
2.31 ac
Lot SizeThe size of the land the home sits on, from county records.
1973
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.

Valuation

$477K
$452K low$502K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$363,000 · Dec 29, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,589 (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.$419,833 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$404,467
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$435,200

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.2.31
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.Baseboard
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.In-Ground Vinyl Pool
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 336 ft²Shed · 560 ft²Patio · 336 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.

E
Carrolltowne Elementary SchoolA
Elementary · Grades PK–5 · 3.0 mi
M
Oklahoma Road Middle SchoolA
Middle · Grades 6–8 · 3.4 mi
H
Liberty High SchoolA-
High · Grades 9–12 · 4.7 mi

District: Carroll County Public Schools

Neighborhood · ZIP 21104These 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.99
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.86
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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.37%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.2%
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.6,580
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.368 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$159,012
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$206,489
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.46 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

7721 Ridge 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 less than 86% of homes in Marriottsville 21104
  • Costs more per square foot than 89% of homes in Carroll County
  • Smaller than 92% of homes in Marriottsville 21104
  • Has a bigger lot than 81% of homes in Carroll County
  • Older than 85% of homes in Marriottsville 21104

What homes are worth in Marriottsville 21104

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

This home
$347K$1.4M

This home is worth more than 14% of homes in Marriottsville 21104.

How it measures up in Marriottsville 21104

The dot is this home. The mark in the middle is the typical home in Marriottsville 21104.

Estimated value$476,729
CheaperTypical $705,869Pricier

Pricier than 14% of homes nearby

Price per ft²$355
CheaperTypical $295Pricier

Pricier than 83% of homes nearby

Living area1,344 ft²
SmallerTypical 2,404 ft²Bigger

Bigger than 8% of homes nearby

Lot size2.31 ac
SmallerTypical 0.59 acBigger

Bigger than 77% of homes nearby

Year built1973
OlderTypical 1997Newer

Newer than 15% of homes nearby

How 7721 Ridge Rd ranks against every home in each area.
MeasureThis homeMarriottsville 21104Carroll County
Estimated valuepricier than$476,72914% of homes50% of homes
Price per ft²pricier than$35583% of homes89% of homes
Living areabigger than1,344 ft²8% of homes28% of homes
Lot sizebigger than2.31 ac77% of homes81% of homes
Year builtnewer than197315% of homes29% of homes

About 7721 Ridge Rd

How much is 7721 Ridge Rd, Marriottsville, MD worth?

The TopHap Estimate for 7721 Ridge Rd, Marriottsville, MD is $476,729 as of Sep 24, 2026. The likely range is $451,720 to $501,738. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 7721 Ridge Rd, Marriottsville, MD last sell?

7721 Ridge Rd, Marriottsville, MD last sold on Dec 29, 2010 for $363,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 7721 Ridge Rd, Marriottsville, MD?

7721 Ridge Rd, Marriottsville, MD has 3 bathrooms, 1,344 square feet of living space and a 2.31-acre lot.

When was 7721 Ridge Rd, Marriottsville, MD built?

7721 Ridge Rd, Marriottsville, MD was built in 1973, making it 53 years old. It is a split foyer home. The building has 2 stories.

What schools serve 7721 Ridge Rd, Marriottsville, MD?

7721 Ridge Rd, Marriottsville, MD is assigned to Carrolltowne Elementary School (elementary), rated A; Oklahoma Road Middle School (middle), rated A; Liberty High School (high), rated A-. All sit in Carroll County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 7721 Ridge Rd, Marriottsville, MD compare to other homes in Marriottsville 21104?

Among the 2,302 homes in Marriottsville 21104, it is worth more than 14% of them ($476,729 against a typical $705,869), its price per square foot is higher than 83% of them ($355 against a typical $295), it is bigger than 8% of them (1,344 ft² against a typical 2,404 ft²), its lot is bigger than 77% of them (2.31 ac against a typical 0.59 ac) and it is newer than 15% of them (1973 against a typical 1997). Measured against all of Carroll County, it is worth more than 50% 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 7721 Ridge Rd, Marriottsville, MD?

The 2025 property tax bill for 7721 Ridge Rd, Marriottsville, MD was $4,589. The county assessed it at $419,833.

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