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Single Family ResidenceResidential
$1,643,343$378 / 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 92How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Oct 21, 2026
Last sold for $1,050,000 on Aug 5, 2014

12 BOLLING LN

BETHESDA, MD 20817
4.5
Baths
4,351 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.
0.39 ac
Lot SizeThe size of the land the home sits on, from county records.
1985
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$1.8M high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$1,050,000 · Aug 5, 2014

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$14,096 (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.$1,269,400 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,238,100
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,332,000

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Single Family Residence
CountyMONTGOMERY
Lot (acres)The size of the land the home sits on, from county records.0.39
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 · 378 ft²Porch · 155 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
Carderock Springs Elementary SchoolA+
Elementary · Grades KG–5 · 1.3 mi
M
Thomas W. Pyle Middle SchoolA+
Middle · Grades 6–8 · 3.5 mi
H
Walt Whitman High SchoolA+
High · Grades 9–12 · 3.6 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%

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

12 Bolling Ln 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 77% of homes in Montgomery County
  • Bigger than 91% of homes in Montgomery County
  • Has a bigger lot than 85% of homes in Montgomery County
  • Newer than 73% 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
$230K$3.4M

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$1,643,343
CheaperTypical $1,301,424Pricier

Pricier than 69% of homes nearby

Price per ft²$378
CheaperTypical $421Pricier

Pricier than 34% of homes nearby

Living area4,351 ft²
SmallerTypical 2,830 ft²Bigger

Bigger than 74% of homes nearby

Lot size0.39 ac
SmallerTypical 0.22 acBigger

Bigger than 77% of homes nearby

Year built1985
OlderTypical 1964Newer

Newer than 73% of homes nearby

How 12 Bolling Ln ranks against every home in each area.
MeasureThis homeBethesda 20817Montgomery County
Estimated valuepricier than$1,643,34369% of homes94% of homes
Price per ft²pricier than$37834% of homes77% of homes
Living areabigger than4,351 ft²74% of homes91% of homes
Lot sizebigger than0.39 ac77% of homes85% of homes
Year builtnewer than198573% of homes63% of homes

About 12 Bolling Ln

How much is 12 Bolling Ln, Bethesda, MD worth?

The TopHap Estimate for 12 Bolling Ln, Bethesda, MD is $1,643,343 as of Oct 21, 2026. The likely range is $1,514,793 to $1,771,893. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 12 Bolling Ln, Bethesda, MD last sell?

12 Bolling Ln, Bethesda, MD last sold on Aug 5, 2014 for $1,050,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 12 Bolling Ln, Bethesda, MD?

12 Bolling Ln, Bethesda, MD has 4.5 bathrooms, 4,351 square feet of living space and a 0.39-acre lot.

When was 12 Bolling Ln, Bethesda, MD built?

12 Bolling Ln, Bethesda, MD was built in 1985, making it 41 years old. The building has 2 stories.

What schools serve 12 Bolling Ln, Bethesda, MD?

12 Bolling Ln, Bethesda, 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 12 Bolling Ln, Bethesda, MD compare to other homes in Bethesda 20817?

Among the 13,879 homes in Bethesda 20817, it is worth more than 69% of them ($1,643,343 against a typical $1,301,424), its price per square foot is higher than 34% of them ($378 against a typical $421), it is bigger than 74% of them (4,351 ft² against a typical 2,830 ft²), its lot is bigger than 77% of them (0.39 ac against a typical 0.22 ac) and it is newer than 73% of them (1985 against a typical 1964). 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 12 Bolling Ln, Bethesda, MD?

The 2025 property tax bill for 12 Bolling Ln, Bethesda, MD was $14,096. The county assessed it at $1,269,400.

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