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Single Family ResidenceResidential
$1,641,822$371 / 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 94How 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

8405 RIVER ROCK TER

BETHESDA, MD 20817
3.5
Baths
4,428 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.
0.35 ac
Lot SizeThe size of the land the home sits on, from county records.
1995
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

$1.6M
$1.5M low$1.7M high
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.$827,822
Est. Lendable EquityThe part of the owner's equity a lender would typically let them borrow against — about 80% of their equity.$662,258
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.54%
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.$570,000
WORLDWIDE FINANCIAL RESOURCES · recorded Sep 17, 2002
2nd 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.$244,000
SUNTRUST BANK

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,536 (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.$1,427,900 (2025)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$648,900
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$779,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,268,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,427,900

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.22 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.30%
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.Bi-Level
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.35
ConstructionThe main material the home's frame and walls are built from.Frame (Unspecified)
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 · 352 ft²Porch · 60 ft²

Transaction History(3)

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
Bannockburn Elementary SchoolA+
Elementary · Grades KG–5 · 1.9 mi
H
Walt Whitman High SchoolA
High · Grades 9–12 · 2.5 mi
M
Thomas W. Pyle Middle SchoolA+
Middle · Grades 6–8 · 2.5 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20817These 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.55
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.90
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.96%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.30%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.2%
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.40,313
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,841 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$210,780
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$275,491
Average tempThe average temperature here across a full year.55°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%

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

8405 River Rock Ter 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 93% of homes in Montgomery County
  • Costs more per square foot than 74% of homes in Montgomery County
  • Bigger than 92% of homes in Montgomery County
  • Has a bigger lot than 82% of homes in Montgomery County
  • Newer than 80% of homes in Montgomery County

What homes are worth in Bethesda 20817

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

This home
$256K$3.5M

This home is worth more than 69% of homes in Bethesda 20817.

How it measures up in Bethesda 20817

The dot is this home. The mark in the middle is the typical home in Bethesda 20817.

Estimated value$1,641,822
CheaperTypical $1,324,661Pricier

Pricier than 69% of homes nearby

Price per ft²$371
CheaperTypical $430Pricier

Pricier than 28% of homes nearby

Living area4,428 ft²
SmallerTypical 2,792 ft²Bigger

Bigger than 76% of homes nearby

Lot size0.35 ac
SmallerTypical 0.22 acBigger

Bigger than 74% of homes nearby

Year built1995
OlderTypical 1964Newer

Newer than 79% of homes nearby

How 8405 River Rock Ter ranks against every home in each area.
MeasureThis homeBethesda 20817Montgomery County
Estimated valuepricier than$1,641,82269% of homes93% of homes
Price per ft²pricier than$37128% of homes74% of homes
Living areabigger than4,428 ft²76% of homes92% of homes
Lot sizebigger than0.35 ac74% of homes82% of homes
Year builtnewer than199579% of homes80% of homes

About 8405 River Rock Ter

How much is 8405 River Rock Ter, Bethesda, MD worth?

The TopHap Estimate for 8405 River Rock Ter, Bethesda, MD is $1,641,822 as of Jul 14, 2026. The likely range is $1,544,629 to $1,739,015. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8405 River Rock Ter, Bethesda, MD last sell?

8405 River Rock Ter, Bethesda, MD last sold on Oct 1, 2007, according to the county's recorded deed.

How big is 8405 River Rock Ter, Bethesda, MD?

8405 River Rock Ter, Bethesda, MD has 3.5 bathrooms, 4,428 square feet of living space and a 0.35-acre lot.

When was 8405 River Rock Ter, Bethesda, MD built?

8405 River Rock Ter, Bethesda, MD was built in 1995, making it 31 years old. It is a bi-level home. The building has 2 stories.

What schools serve 8405 River Rock Ter, Bethesda, MD?

8405 River Rock Ter, Bethesda, MD is assigned to Bannockburn Elementary School (elementary), rated A+; Walt Whitman High School (high), rated A; Thomas W. Pyle Middle School (middle), rated A+. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 8405 River Rock Ter, Bethesda, MD compare to other homes in Bethesda 20817?

Among the 13,833 homes in Bethesda 20817, it is worth more than 69% of them ($1,641,822 against a typical $1,324,661), its price per square foot is higher than 28% of them ($371 against a typical $430), it is bigger than 76% of them (4,428 ft² against a typical 2,792 ft²), its lot is bigger than 74% of them (0.35 ac against a typical 0.22 ac) and it is newer than 79% of them (1995 against a typical 1964). Measured against all of Montgomery County, it is worth more than 93% 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 8405 River Rock Ter, Bethesda, MD?

The 2025 property tax bill for 8405 River Rock Ter, Bethesda, MD was $14,536. The county assessed it at $1,427,900.

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