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Single Family ResidenceResidential
$550,634$296 / 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 Sep 24, 2026
Last sold for $325,000 on Jan 15, 2010

5509 RIDGE RD

MOUNT AIRY, MD 21771
3
Baths
1,860 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.
0.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1975
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

$551K
$531K low$571K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$325,000 · Jan 15, 2010

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,889 (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.$472,767 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$433,533
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$512,000

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.0.70
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
GarageWhether the property has a garage, and details like whether it is attached to the home.Garage, Basement
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 · 264 ft²Porch · 60 ft²

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

M
Mount Airy Middle SchoolA-
Middle · Grades 6–8 · 3.6 mi
E
Winfield Elementary SchoolA-
Elementary · Grades PK–5 · 3.6 mi
H
South Carroll High SchoolB+
High · Grades 9–12 · 3.9 mi

District: Carroll County Public Schools

Neighborhood · ZIP 21771These 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.59
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.37

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.3.1%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.9%
PopulationHow many people live in this area.32,505
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.382 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$151,406
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$162,296
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

5509 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 more than 65% of homes in Carroll County
  • Costs more per square foot than 68% of homes in Carroll County
  • Older than 75% of homes in Mount Airy 21771

What homes are worth in Mount Airy 21771

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

This home
$320K$1.1M

This home is worth more than 40% of homes in Mount Airy 21771.

How it measures up in Mount Airy 21771

The dot is this home. The mark in the middle is the typical home in Mount Airy 21771.

Estimated value$550,634
CheaperTypical $608,703Pricier

Pricier than 40% of homes nearby

Price per ft²$296
CheaperTypical $282Pricier

Pricier than 60% of homes nearby

Living area1,860 ft²
SmallerTypical 2,180 ft²Bigger

Bigger than 37% of homes nearby

Lot size0.7 ac
SmallerTypical 0.95 acBigger

Bigger than 42% of homes nearby

Year built1975
OlderTypical 1988Newer

Newer than 25% of homes nearby

How 5509 Ridge Rd ranks against every home in each area.
MeasureThis homeMount Airy 21771Carroll County
Estimated valuepricier than$550,63440% of homes65% of homes
Price per ft²pricier than$29660% of homes68% of homes
Living areabigger than1,860 ft²37% of homes53% of homes
Lot sizebigger than0.7 ac42% of homes53% of homes
Year builtnewer than197525% of homes32% of homes

About 5509 Ridge Rd

How much is 5509 Ridge Rd, Mount Airy, MD worth?

The TopHap Estimate for 5509 Ridge Rd, Mount Airy, MD is $550,634 as of Sep 24, 2026. The likely range is $530,595 to $570,673. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 5509 Ridge Rd, Mount Airy, MD last sell?

5509 Ridge Rd, Mount Airy, MD last sold on Jan 15, 2010 for $325,000, according to the county's recorded deed.

How big is 5509 Ridge Rd, Mount Airy, MD?

5509 Ridge Rd, Mount Airy, MD has 3 bathrooms, 1,860 square feet of living space and a 0.70-acre lot.

When was 5509 Ridge Rd, Mount Airy, MD built?

5509 Ridge Rd, Mount Airy, MD was built in 1975, making it 51 years old. It is a split foyer home. The building has 2 stories.

What schools serve 5509 Ridge Rd, Mount Airy, MD?

5509 Ridge Rd, Mount Airy, MD is assigned to Mount Airy Middle School (middle), rated A-; Winfield Elementary School (elementary), rated A-; South Carroll 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 5509 Ridge Rd, Mount Airy, MD compare to other homes in Mount Airy 21771?

Among the 10,756 homes in Mount Airy 21771, it is worth more than 40% of them ($550,634 against a typical $608,703), its price per square foot is higher than 60% of them ($296 against a typical $282), it is bigger than 37% of them (1,860 ft² against a typical 2,180 ft²), its lot is bigger than 42% of them (0.7 ac against a typical 0.95 ac) and it is newer than 25% of them (1975 against a typical 1988). Measured against all of Carroll County, it is worth more than 65% 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 5509 Ridge Rd, Mount Airy, MD?

The 2026 property tax bill for 5509 Ridge Rd, Mount Airy, MD was $4,889. The county assessed it at $472,767.

More homes on Ridge Rd

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More homes in Mount Airy 21771

Assigned schools

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