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Single Family ResidenceResidential
$572,572$232 / 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 $349,900 on Aug 7, 2014

9820 WARTHEN DR

DAMASCUS, MD 20872
3
Baths
2,466 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.
0.73 ac
Lot SizeThe size of the land the home sits on, from county records.
1964
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
1
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$573K
$549K low$596K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$349,900 · Aug 7, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,527 (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.$508,533 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$480,967
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$536,100

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.Townhouse
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.73
ConstructionThe main material the home's frame and walls are built from.Brick
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
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 · 224 ft²Porch · 390 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
Damascus Elementary SchoolC-
Elementary · Grades KG–5 · 0.9 mi
H
Damascus High SchoolA-
High · Grades 9–12 · 1.1 mi
M
John T. Baker Middle SchoolB
Middle · Grades 6–8 · 1.8 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%

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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

9820 Warthen 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.

  • Costs less per square foot than 83% of homes in Montgomery County
  • Bigger than 71% of homes in Damascus 20872
  • Has a bigger lot than 93% of homes in Montgomery County
  • Older than 81% of homes in Damascus 20872

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
$229K$1M

This home is worth more than 61% 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$572,572
CheaperTypical $535,654Pricier

Pricier than 61% of homes nearby

Price per ft²$232
CheaperTypical $254Pricier

Pricier than 31% of homes nearby

Living area2,466 ft²
SmallerTypical 2,026 ft²Bigger

Bigger than 71% of homes nearby

Lot size0.73 ac
SmallerTypical 0.37 acBigger

Bigger than 80% of homes nearby

Year built1964
OlderTypical 1983Newer

Newer than 19% of homes nearby

How 9820 Warthen Dr ranks against every home in each area.
MeasureThis homeDamascus 20872Montgomery County
Estimated valuepricier than$572,57261% of homes42% of homes
Price per ft²pricier than$23231% of homes17% of homes
Living areabigger than2,466 ft²71% of homes66% of homes
Lot sizebigger than0.73 ac80% of homes93% of homes
Year builtnewer than196419% of homes29% of homes

About 9820 Warthen Dr

How much is 9820 Warthen Dr, Damascus, MD worth?

The TopHap Estimate for 9820 Warthen Dr, Damascus, MD is $572,572 as of Aug 30, 2026. The likely range is $549,300 to $595,844. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9820 Warthen Dr, Damascus, MD last sell?

9820 Warthen Dr, Damascus, MD last sold on Aug 7, 2014 for $349,900, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 9820 Warthen Dr, Damascus, MD?

9820 Warthen Dr, Damascus, MD has 3 bathrooms, 2,466 square feet of living space and a 0.73-acre lot.

When was 9820 Warthen Dr, Damascus, MD built?

9820 Warthen Dr, Damascus, MD was built in 1964, making it 62 years old. It is a townhouse home. The building has 1 story.

What schools serve 9820 Warthen Dr, Damascus, MD?

9820 Warthen 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 9820 Warthen Dr, Damascus, MD compare to other homes in Damascus 20872?

Among the 4,362 homes in Damascus 20872, it is worth more than 61% of them ($572,572 against a typical $535,654), its price per square foot is higher than 31% of them ($232 against a typical $254), it is bigger than 71% of them (2,466 ft² against a typical 2,026 ft²), its lot is bigger than 80% of them (0.73 ac against a typical 0.37 ac) and it is newer than 19% of them (1964 against a typical 1983). Measured against all of Montgomery County, it is worth more than 42% 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 9820 Warthen Dr, Damascus, MD?

The 2025 property tax bill for 9820 Warthen Dr, Damascus, MD was $5,527. The county assessed it at $508,533.

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