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Single Family ResidenceResidential
$921,280$219 / 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

15800 WHITE ROCK RD

GAITHERSBURG, MD 20878
2.5
Baths
4,208 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.
0.93 ac
Lot SizeThe size of the land the home sits on, from county records.
1968
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

$921K
$875K low$968K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,056 (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.$722,133 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$645,867
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$798,400

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
Lot (acres)The size of the land the home sits on, from county records.0.93
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.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.Porch · 136 ft²

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

E
Darnestown Elementary SchoolB
Elementary · Grades KG–5 · 1.1 mi
M
Lakelands Park Middle SchoolB-
Middle · Grades 6–8 · 2.2 mi
H
Northwest High SchoolB+
High · Grades 9–12 · 2.5 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20878These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
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.66,167
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,976 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,457
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$176,656
Average tempThe average temperature here across a full year.54°F
Annual precipHow much rain and melted snow falls here in a typical year.43 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

15800 White Rock 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 75% of homes in Montgomery County
  • Costs less per square foot than 94% of homes in Gaithersburg 20878
  • Bigger than 90% of homes in Gaithersburg 20878
  • Has a bigger lot than 94% of homes in Gaithersburg 20878
  • Older than 95% of homes in Gaithersburg 20878

What homes are worth in Gaithersburg 20878

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

This home
$184K$1.6M

This home is worth more than 74% of homes in Gaithersburg 20878.

How it measures up in Gaithersburg 20878

The dot is this home. The mark in the middle is the typical home in Gaithersburg 20878.

Estimated value$921,280
CheaperTypical $739,722Pricier

Pricier than 74% of homes nearby

Price per ft²$219
CheaperTypical $309Pricier

Pricier than 6% of homes nearby

Living area4,208 ft²
SmallerTypical 2,260 ft²Bigger

Bigger than 90% of homes nearby

Lot size0.93 ac
SmallerTypical 0.1 acBigger

Bigger than 94% of homes nearby

Year built1968
OlderTypical 1988Newer

Newer than 5% of homes nearby

How 15800 White Rock Rd ranks against every home in each area.
MeasureThis homeGaithersburg 20878Montgomery County
Estimated valuepricier than$921,28074% of homes75% of homes
Price per ft²pricier than$2196% of homes11% of homes
Living areabigger than4,208 ft²90% of homes90% of homes
Lot sizebigger than0.93 ac94% of homes93% of homes
Year builtnewer than19685% of homes36% of homes

About 15800 White Rock Rd

How much is 15800 White Rock Rd, Gaithersburg, MD worth?

The TopHap Estimate for 15800 White Rock Rd, Gaithersburg, MD is $921,280 as of Sep 24, 2026. The likely range is $874,851 to $967,709. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15800 White Rock Rd, Gaithersburg, MD last sell?

15800 White Rock Rd, Gaithersburg, MD last sold on Dec 2, 1999, according to the county's recorded deed.

How big is 15800 White Rock Rd, Gaithersburg, MD?

15800 White Rock Rd, Gaithersburg, MD has 2.5 bathrooms, 4,208 square feet of living space and a 0.93-acre lot.

When was 15800 White Rock Rd, Gaithersburg, MD built?

15800 White Rock Rd, Gaithersburg, MD was built in 1968, making it 58 years old. It is a bi-level home. The building has 2 stories.

What schools serve 15800 White Rock Rd, Gaithersburg, MD?

15800 White Rock Rd, Gaithersburg, MD is assigned to Darnestown Elementary School (elementary), rated B; Lakelands Park Middle School (middle), rated B-; Northwest High School (high), rated B+. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 15800 White Rock Rd, Gaithersburg, MD compare to other homes in Gaithersburg 20878?

Among the 20,757 homes in Gaithersburg 20878, it is worth more than 74% of them ($921,280 against a typical $739,722), its price per square foot is higher than 6% of them ($219 against a typical $309), it is bigger than 90% of them (4,208 ft² against a typical 2,260 ft²), its lot is bigger than 94% of them (0.93 ac against a typical 0.1 ac) and it is newer than 5% of them (1968 against a typical 1988). Measured against all of Montgomery County, it is worth more than 75% 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 15800 White Rock Rd, Gaithersburg, MD?

The 2025 property tax bill for 15800 White Rock Rd, Gaithersburg, MD was $7,056. The county assessed it at $722,133.

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