Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,705,568$357 / 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 Jul 14, 2026
Last sold for $1,525,000 on Apr 8, 2005

10500 ROCK RUN DR

POTOMAC, MD 20854
3.5
Baths
4,775 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.
0.43 ac
Lot SizeThe size of the land the home sits on, from county records.
1984
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

$1.7M
$1.6M low$1.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,525,000 · Apr 8, 2005
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.$1,455,568
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$1,164,454
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.15%
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.$250,000
UNITED BANK · recorded Sep 24, 2015

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$16,478 (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.$1,378,500 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$519,600
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$858,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,351,967
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,378,500

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.0.43
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.Wood 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 · 48 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.

E
Carderock Springs Elementary SchoolA+
Elementary · Grades KG–5 · 2.5 mi
M
Thomas W. Pyle Middle SchoolA+
Middle · Grades 6–8 · 4.7 mi
H
Walt Whitman High SchoolA
High · Grades 9–12 · 4.9 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20854These 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.43
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.88
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.35

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.2.5%
UnemploymentThe share of men 16 and older who are out of work and actively looking. Only men are counted in this figure.0.8%
PopulationHow many people live in this area.51,685
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.1,423 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$211,237
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$271,649
Average tempThe average temperature here across a full year.55°F
Annual precipHow much rain and melted snow falls here in a typical year.42 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

10500 Rock Run 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 94% of homes in Montgomery County
  • Costs more per square foot than 70% of homes in Montgomery County
  • Bigger than 92% of homes in Montgomery County
  • Has a bigger lot than 86% of homes in Montgomery County
  • Newer than 65% of homes in Potomac 20854

What homes are worth in Potomac 20854

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

This home
$606K$3.2M

This home is worth more than 75% of homes in Potomac 20854.

How it measures up in Potomac 20854

The dot is this home. The mark in the middle is the typical home in Potomac 20854.

Estimated value$1,705,568
CheaperTypical $1,264,301Pricier

Pricier than 75% of homes nearby

Price per ft²$357
CheaperTypical $372Pricier

Pricier than 41% of homes nearby

Living area4,775 ft²
SmallerTypical 3,338 ft²Bigger

Bigger than 73% of homes nearby

Lot size0.43 ac
SmallerTypical 0.3 acBigger

Bigger than 67% of homes nearby

Year built1984
OlderTypical 1977Newer

Newer than 65% of homes nearby

How 10500 Rock Run Dr ranks against every home in each area.
MeasureThis homePotomac 20854Montgomery County
Estimated valuepricier than$1,705,56875% of homes94% of homes
Price per ft²pricier than$35741% of homes70% of homes
Living areabigger than4,775 ft²73% of homes92% of homes
Lot sizebigger than0.43 ac67% of homes86% of homes
Year builtnewer than198465% of homes60% of homes

About 10500 Rock Run Dr

How much is 10500 Rock Run Dr, Potomac, MD worth?

The TopHap Estimate for 10500 Rock Run Dr, Potomac, MD is $1,705,568 as of Jul 14, 2026. The likely range is $1,615,990 to $1,795,146. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 10500 Rock Run Dr, Potomac, MD last sell?

10500 Rock Run Dr, Potomac, MD last sold on Apr 8, 2005 for $1,525,000, according to the county's recorded deed.

How big is 10500 Rock Run Dr, Potomac, MD?

10500 Rock Run Dr, Potomac, MD has 3.5 bathrooms, 4,775 square feet of living space and a 0.43-acre lot.

When was 10500 Rock Run Dr, Potomac, MD built?

10500 Rock Run Dr, Potomac, MD was built in 1984, making it 42 years old. It is a bi-level home. The building has 2 stories.

What schools serve 10500 Rock Run Dr, Potomac, MD?

10500 Rock Run Dr, Potomac, MD is assigned to Carderock Springs Elementary School (elementary), rated A+; Thomas W. Pyle Middle School (middle), rated A+; Walt Whitman High School (high), rated A. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 10500 Rock Run Dr, Potomac, MD compare to other homes in Potomac 20854?

Among the 17,110 homes in Potomac 20854, it is worth more than 75% of them ($1,705,568 against a typical $1,264,301), its price per square foot is higher than 41% of them ($357 against a typical $372), it is bigger than 73% of them (4,775 ft² against a typical 3,338 ft²), its lot is bigger than 67% of them (0.43 ac against a typical 0.3 ac) and it is newer than 65% of them (1984 against a typical 1977). Measured against all of Montgomery County, it is worth more than 94% 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 10500 Rock Run Dr, Potomac, MD?

The 2025 property tax bill for 10500 Rock Run Dr, Potomac, MD was $16,478. The county assessed it at $1,378,500.

More homes on Rock Run Dr

Closest homes

More homes in Potomac 20854

Assigned schools

Explore the area

See this home in context

Open 10500 Rock Run Dr on TopHap’s interactive map to compare it against every sale nearby, overlay school zones and flood risk, and run a CMA.

Open in map
A flyover of TopHap's photorealistic 3D map, with recorded sale prices pinned to homes
Search any address, city, zip, or county…3D$1.9M$6.25MOpen in map