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Single Family ResidenceResidential
$829,795$247 / 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 Sep 24, 2026

15904 WHITE ROCK RD

GAITHERSBURG, MD 20878
2.5
Baths
3,364 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.
1.38 ac
Lot SizeThe size of the land the home sits on, from county records.
1969
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
3
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$830K
$758K low$901K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$7,586 (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.$728,767 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$664,333
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$793,200

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.7 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.minimal

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.Townhouse
CountyMONTGOMERY
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.Deck · 203 ft²Patio · 280 ft²Porch · 124 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
Darnestown Elementary SchoolB
Elementary · Grades KG–5 · 1.2 mi
M
Lakelands Park Middle SchoolB-
Middle · Grades 6–8 · 2.2 mi
H
Northwest High SchoolB+
High · Grades 9–12 · 2.4 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%

Owner Tools

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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

15904 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 70% of homes in Montgomery County
  • Costs less per square foot than 87% of homes in Gaithersburg 20878
  • Bigger than 83% of homes in Montgomery County
  • Has a bigger lot than 96% of homes in Gaithersburg 20878
  • Older than 94% 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 62% 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$829,795
CheaperTypical $739,722Pricier

Pricier than 62% of homes nearby

Price per ft²$247
CheaperTypical $309Pricier

Pricier than 13% of homes nearby

Living area3,364 ft²
SmallerTypical 2,260 ft²Bigger

Bigger than 79% of homes nearby

Lot size1.38 ac
SmallerTypical 0.1 acBigger

Bigger than 96% of homes nearby

Year built1969
OlderTypical 1988Newer

Newer than 6% of homes nearby

How 15904 White Rock Rd ranks against every home in each area.
MeasureThis homeGaithersburg 20878Montgomery County
Estimated valuepricier than$829,79562% of homes70% of homes
Price per ft²pricier than$24713% of homes22% of homes
Living areabigger than3,364 ft²79% of homes83% of homes
Lot sizebigger than1.38 ac96% of homes95% of homes
Year builtnewer than19696% of homes37% of homes

About 15904 White Rock Rd

How much is 15904 White Rock Rd, Gaithersburg, MD worth?

The TopHap Estimate for 15904 White Rock Rd, Gaithersburg, MD is $829,795 as of Sep 24, 2026. The likely range is $758,376 to $901,214. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 15904 White Rock Rd, Gaithersburg, MD last sell?

15904 White Rock Rd, Gaithersburg, MD last sold on Jan 1, 1900, according to the county's recorded deed.

How big is 15904 White Rock Rd, Gaithersburg, MD?

15904 White Rock Rd, Gaithersburg, MD has 2.5 bathrooms and 3,364 square feet of living space.

When was 15904 White Rock Rd, Gaithersburg, MD built?

15904 White Rock Rd, Gaithersburg, MD was built in 1969, making it 57 years old. It is a townhouse home. The building has 1 story.

What schools serve 15904 White Rock Rd, Gaithersburg, MD?

15904 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 15904 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 62% of them ($829,795 against a typical $739,722), its price per square foot is higher than 13% of them ($247 against a typical $309), it is bigger than 79% of them (3,364 ft² against a typical 2,260 ft²), its lot is bigger than 96% of them (1.38 ac against a typical 0.1 ac) and it is newer than 6% of them (1969 against a typical 1988). Measured against all of Montgomery County, it is worth more than 70% 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 15904 White Rock Rd, Gaithersburg, MD?

The 2025 property tax bill for 15904 White Rock Rd, Gaithersburg, MD was $7,586. The county assessed it at $728,767.

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