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TownhouseResidential
$2,157,103$659 / 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 90How 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 $2,100,000 on Oct 10, 2025

8129 RIVER RD

BETHESDA, MD 20817
3 / 2
Baths
3,273 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.
1,272 ft²
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
3
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$2.2M
$2M low$2.4M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$2,100,000 · Oct 10, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$19,994 (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.$1,816,300 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,682,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$2,083,300

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Townhouse
StyleThe architectural style of the home, such as ranch or colonial.Townhouse
CountyMONTGOMERY
Effective Year BuiltAn adjusted build year that accounts for condition and major remodels. A big renovation can make a home count as newer than it is.2021
Lot (acres)The size of the land the home sits on, from county records.0.03
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 · 276 ft²Elevator

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
Seven Locks Elementary SchoolA+
Elementary · Grades KG–5 · 1.1 mi
M
Cabin John Middle SchoolA
Middle · Grades 6–8 · 2.4 mi
H
Winston Churchill High SchoolA
High · Grades 9–12 · 3.3 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%

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

8129 River 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 97% of homes in Montgomery County
  • Costs more per square foot than 98% of homes in Montgomery County
  • Bigger than 81% of homes in Montgomery County
  • Has a smaller lot than 96% of homes in Bethesda 20817
  • Newer than 98% 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
$259K$3.5M

This home is worth more than 86% 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$2,157,103
CheaperTypical $1,353,929Pricier

Pricier than 86% of homes nearby

Price per ft²$659
CheaperTypical $425Pricier

Pricier than 93% of homes nearby

Living area3,273 ft²
SmallerTypical 2,828 ft²Bigger

Bigger than 59% of homes nearby

Lot size1,272 ft²
SmallerTypical 0.22 acBigger

Bigger than 4% of homes nearby

Year built2020
OlderTypical 1964Newer

Newer than 95% of homes nearby

How 8129 River Rd ranks against every home in each area.
MeasureThis homeBethesda 20817Montgomery County
Estimated valuepricier than$2,157,10386% of homes97% of homes
Price per ft²pricier than$65993% of homes98% of homes
Living areabigger than3,273 ft²59% of homes81% of homes
Lot sizebigger than1,272 ft²4% of homes10% of homes
Year builtnewer than202095% of homes98% of homes

About 8129 River Rd

How much is 8129 River Rd, Bethesda, MD worth?

The TopHap Estimate for 8129 River Rd, Bethesda, MD is $2,157,103 as of Jul 14, 2026. The likely range is $1,950,791 to $2,363,415. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8129 River Rd, Bethesda, MD last sell?

8129 River Rd, Bethesda, MD last sold on Oct 10, 2025 for $2,100,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 8129 River Rd, Bethesda, MD?

8129 River Rd, Bethesda, MD has 3 bathrooms, 3,273 square feet of living space and a 0.03-acre lot.

When was 8129 River Rd, Bethesda, MD built?

8129 River Rd, Bethesda, MD was built in 2020, making it 6 years old. It is a townhouse home. The building has 3 stories.

What schools serve 8129 River Rd, Bethesda, MD?

8129 River Rd, Bethesda, MD is assigned to Seven Locks Elementary School (elementary), rated A+; Cabin John Middle School (middle), rated A; Winston Churchill 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 8129 River Rd, Bethesda, MD compare to other homes in Bethesda 20817?

Among the 13,879 homes in Bethesda 20817, it is worth more than 86% of them ($2,157,103 against a typical $1,353,929), its price per square foot is higher than 93% of them ($659 against a typical $425), it is bigger than 59% of them (3,273 ft² against a typical 2,828 ft²), its lot is bigger than 4% of them (1,272 ft² against a typical 0.22 ac) and it is newer than 95% of them (2020 against a typical 1964). Measured against all of Montgomery County, it is worth more than 97% 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 8129 River Rd, Bethesda, MD?

The 2025 property tax bill for 8129 River Rd, Bethesda, MD was $19,994. The county assessed it at $1,816,300.

More homes on River Rd

Closest homes

More homes in Bethesda 20817

Assigned schools

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