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Single Family ResidenceResidential
$787,507$252 / 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 91How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Jul 14, 2026
Last sold for $366,000 on Jun 14, 2004

27421 MOUNT RADNOR DR

DAMASCUS, MD 20872
3
Baths
3,120 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.
3.11 ac
Lot SizeThe size of the land the home sits on, from county records.
1994
Year BuiltThe year the home was originally built, according to county records.
2
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$788K
$713K low$862K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$366,000 · Jun 14, 2004
Est. Owner EquityRoughly how much of the home's value the owner would keep after paying off known loans. It is our estimate minus the loans still owed.$216,707
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$173,366
Loan-to-ValueHow much is still owed on the home compared to what it is worth. 80% means loans equal 80% of our estimate, so it shifts when the estimate does.73%
1st MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$292,800
LEHMAN BROTHERS BANK FSB · recorded Jun 14, 2004
2nd MortgageA loan still believed to be open on this home, in the order lenders get repaid. The first position is paid back before the second.$278,000
CARDINAL FINANCIAL COMPANY LP

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,849 (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.$669,933 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$651,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$707,600

Climate Risk

Projected Flood DepthHow deep a serious flood is expected to get here at some point in the next 30 years. Shown in inches.11 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.34%
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.0.2 percent flood zone

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
StyleThe architectural style of the home, such as ranch or colonial.Bi-Level
CountyMONTGOMERY
RoofThe main material covering the roof, such as asphalt shingle or tile.Composition Shingle
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
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, Attached
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 · 312 ft²Porch · 232 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
Damascus Elementary SchoolC-
Elementary · Grades KG–5 · 1.5 mi
H
Damascus High SchoolA-
High · Grades 9–12 · 1.6 mi
M
John T. Baker Middle SchoolB
Middle · Grades 6–8 · 2.4 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20872These 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.104
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 100.38

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.26%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.5%
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.13,660
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.665 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$137,370
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$155,374
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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Owner occupied
Company ownedWhether the owner is a company or trust rather than a person.No

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

27421 Mount Radnor 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 88% of homes in Damascus 20872
  • Costs less per square foot than 75% of homes in Montgomery County
  • Bigger than 85% of homes in Damascus 20872
  • Among the largest lots in Montgomery County
  • Newer than 79% of homes in Montgomery County

What homes are worth in Damascus 20872

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

This home
$235K$1M

This home is worth more than 88% of homes in Damascus 20872.

How it measures up in Damascus 20872

The dot is this home. The mark in the middle is the typical home in Damascus 20872.

Estimated value$787,507
CheaperTypical $544,564Pricier

Pricier than 88% of homes nearby

Price per ft²$252
CheaperTypical $259Pricier

Pricier than 44% of homes nearby

Living area3,120 ft²
SmallerTypical 2,014 ft²Bigger

Bigger than 85% of homes nearby

Lot size3.11 ac
SmallerTypical 0.37 acBigger

Bigger than 98% of homes nearby

Year built1994
OlderTypical 1983Newer

Newer than 76% of homes nearby

How 27421 Mount Radnor Dr ranks against every home in each area.
MeasureThis homeDamascus 20872Montgomery County
Estimated valuepricier than$787,50788% of homes66% of homes
Price per ft²pricier than$25244% of homes25% of homes
Living areabigger than3,120 ft²85% of homes79% of homes
Lot sizebigger than3.11 ac98% of homesalmost all homes
Year builtnewer than199476% of homes79% of homes

About 27421 Mount Radnor Dr

How much is 27421 Mount Radnor Dr, Damascus, MD worth?

The TopHap Estimate for 27421 Mount Radnor Dr, Damascus, MD is $787,507 as of Jul 14, 2026. The likely range is $713,284 to $861,730. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 27421 Mount Radnor Dr, Damascus, MD last sell?

27421 Mount Radnor Dr, Damascus, MD last sold on Jun 14, 2004 for $366,000, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 27421 Mount Radnor Dr, Damascus, MD?

27421 Mount Radnor Dr, Damascus, MD has 3 bathrooms and 3,120 square feet of living space.

When was 27421 Mount Radnor Dr, Damascus, MD built?

27421 Mount Radnor Dr, Damascus, MD was built in 1994, making it 32 years old. It is a bi-level home. The building has 2 stories.

What schools serve 27421 Mount Radnor Dr, Damascus, MD?

27421 Mount Radnor Dr, Damascus, MD is assigned to Damascus Elementary School (elementary), rated C-; Damascus High School (high), rated A-; John T. Baker Middle School (middle), rated B. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 27421 Mount Radnor Dr, Damascus, MD compare to other homes in Damascus 20872?

Among the 4,356 homes in Damascus 20872, it is worth more than 88% of them ($787,507 against a typical $544,564), its price per square foot is higher than 44% of them ($252 against a typical $259), it is bigger than 85% of them (3,120 ft² against a typical 2,014 ft²), its lot is bigger than 98% of them (3.11 ac against a typical 0.37 ac) and it is newer than 76% of them (1994 against a typical 1983). Measured against all of Montgomery County, it is worth more than 66% 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 27421 Mount Radnor Dr, Damascus, MD?

The 2025 property tax bill for 27421 Mount Radnor Dr, Damascus, MD was $7,849. The county assessed it at $669,933.

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