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TownhouseResidential
$1,143,662$360 / 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 86How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Aug 30, 2026
Last sold for $1,115,700 on Apr 25, 2025

8405 QUARRY RIDGE RD

BETHESDA, MD 20817
3.5
Baths
3,174 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.
2,838 ft²
Lot SizeThe size of the land the home sits on, from county records.
1989
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

$1.1M
$989K low$1.3M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,115,700 · Apr 25, 2025

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$11,132 (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.$995,967 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$913,000
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,161,900

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
Lot (acres)The size of the land the home sits on, from county records.0.07
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.Patio · 450 ft²Porch · 100 ft²

Transaction History(5)

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 · 1.3 mi
M
Cabin John Middle SchoolA
Middle · Grades 6–8 · 2.6 mi
H
Winston Churchill High SchoolA
High · Grades 9–12 · 3.5 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%

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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

8405 Quarry Ridge 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 84% of homes in Montgomery County
  • Costs less per square foot than 74% of homes in Bethesda 20817
  • Bigger than 80% of homes in Montgomery County
  • Has a smaller lot than 88% of homes in Bethesda 20817
  • Newer than 76% of homes in Bethesda 20817

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
$235K$3.5M

This home is worth more than 37% 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$1,143,662
CheaperTypical $1,313,404Pricier

Pricier than 37% of homes nearby

Price per ft²$360
CheaperTypical $422Pricier

Pricier than 26% of homes nearby

Living area3,174 ft²
SmallerTypical 2,830 ft²Bigger

Bigger than 58% of homes nearby

Lot size2,838 ft²
SmallerTypical 0.22 acBigger

Bigger than 12% of homes nearby

Year built1989
OlderTypical 1964Newer

Newer than 76% of homes nearby

How 8405 Quarry Ridge Rd ranks against every home in each area.
MeasureThis homeBethesda 20817Montgomery County
Estimated valuepricier than$1,143,66237% of homes84% of homes
Price per ft²pricier than$36026% of homes72% of homes
Living areabigger than3,174 ft²58% of homes80% of homes
Lot sizebigger than2,838 ft²12% of homes32% of homes
Year builtnewer than198976% of homes73% of homes

About 8405 Quarry Ridge Rd

How much is 8405 Quarry Ridge Rd, Bethesda, MD worth?

The TopHap Estimate for 8405 Quarry Ridge Rd, Bethesda, MD is $1,143,662 as of Aug 30, 2026. The likely range is $988,673 to $1,298,651. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 8405 Quarry Ridge Rd, Bethesda, MD last sell?

8405 Quarry Ridge Rd, Bethesda, MD last sold on Apr 25, 2025 for $1,115,700, according to the county's recorded deed. TopHap holds 4 recorded sales for this parcel.

How big is 8405 Quarry Ridge Rd, Bethesda, MD?

8405 Quarry Ridge Rd, Bethesda, MD has 3.5 bathrooms, 3,174 square feet of living space and a 0.07-acre lot.

When was 8405 Quarry Ridge Rd, Bethesda, MD built?

8405 Quarry Ridge Rd, Bethesda, MD was built in 1989, making it 37 years old. It is a townhouse home. The building has 2 stories.

What schools serve 8405 Quarry Ridge Rd, Bethesda, MD?

8405 Quarry Ridge 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 8405 Quarry Ridge Rd, Bethesda, MD compare to other homes in Bethesda 20817?

Among the 13,879 homes in Bethesda 20817, it is worth more than 37% of them ($1,143,662 against a typical $1,313,404), its price per square foot is higher than 26% of them ($360 against a typical $422), it is bigger than 58% of them (3,174 ft² against a typical 2,830 ft²), its lot is bigger than 12% of them (2,838 ft² against a typical 0.22 ac) and it is newer than 76% of them (1989 against a typical 1964). Measured against all of Montgomery County, it is worth more than 84% 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 Quarry Ridge Rd, Bethesda, MD?

The 2025 property tax bill for 8405 Quarry Ridge Rd, Bethesda, MD was $11,132. The county assessed it at $995,967.

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