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Single Family ResidenceResidential
$459,981$329 / 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 92How 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

9909 BISCAYNE LN

DAMASCUS, MD 20872
2
Baths
1,396 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.
0.21 ac
Lot SizeThe size of the land the home sits on, from county records.
1980
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

$460K
$423K low$497K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$4,165 (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.$402,867 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$375,433
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$430,300

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.0.21
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.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 · 200 ft²Porch · 64 ft²

Transaction History(1)

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.

H
Damascus High SchoolB
High · Grades 9–12 · 0.6 mi
E
Clearspring Elementary SchoolA
Elementary · Grades PK–5 · 0.6 mi
M
John T. Baker Middle SchoolB
Middle · Grades 6–8 · 0.7 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

9909 Biscayne Ln 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 73% of homes in Montgomery County
  • Costs more per square foot than 89% of homes in Damascus 20872
  • Smaller than 78% of homes in Damascus 20872
  • Has a smaller lot than 69% 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
$236K$1.1M

This home is worth more than 30% 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$459,981
CheaperTypical $540,418Pricier

Pricier than 30% of homes nearby

Price per ft²$329
CheaperTypical $257Pricier

Pricier than 89% of homes nearby

Living area1,396 ft²
SmallerTypical 2,014 ft²Bigger

Bigger than 22% of homes nearby

Lot size0.21 ac
SmallerTypical 0.37 acBigger

Bigger than 31% of homes nearby

Year built1980
OlderTypical 1983Newer

Newer than 41% of homes nearby

How 9909 Biscayne Ln ranks against every home in each area.
MeasureThis homeDamascus 20872Montgomery County
Estimated valuepricier than$459,98130% of homes27% of homes
Price per ft²pricier than$32989% of homes61% of homes
Living areabigger than1,396 ft²22% of homes25% of homes
Lot sizebigger than0.21 ac31% of homes61% of homes
Year builtnewer than198041% of homes52% of homes

About 9909 Biscayne Ln

How much is 9909 Biscayne Ln, Damascus, MD worth?

The TopHap Estimate for 9909 Biscayne Ln, Damascus, MD is $459,981 as of Sep 24, 2026. The likely range is $422,606 to $497,357. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 9909 Biscayne Ln, Damascus, MD last sell?

9909 Biscayne Ln, Damascus, MD last sold on Sep 17, 2001, according to the county's recorded deed.

How big is 9909 Biscayne Ln, Damascus, MD?

9909 Biscayne Ln, Damascus, MD has 2 bathrooms, 1,396 square feet of living space and a 0.21-acre lot.

When was 9909 Biscayne Ln, Damascus, MD built?

9909 Biscayne Ln, Damascus, MD was built in 1980, making it 46 years old. It is a townhouse home. The building has 1 story.

What schools serve 9909 Biscayne Ln, Damascus, MD?

9909 Biscayne Ln, Damascus, MD is assigned to Damascus High School (high), rated B; Clearspring Elementary School (elementary), 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 9909 Biscayne Ln, Damascus, MD compare to other homes in Damascus 20872?

Among the 4,362 homes in Damascus 20872, it is worth more than 30% of them ($459,981 against a typical $540,418), its price per square foot is higher than 89% of them ($329 against a typical $257), it is bigger than 22% of them (1,396 ft² against a typical 2,014 ft²), its lot is bigger than 31% of them (0.21 ac against a typical 0.37 ac) and it is newer than 41% of them (1980 against a typical 1983). Measured against all of Montgomery County, it is worth more than 27% 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 9909 Biscayne Ln, Damascus, MD?

The 2025 property tax bill for 9909 Biscayne Ln, Damascus, MD was $4,165. The county assessed it at $402,867.

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