Skip to content
Skip to content
TopHapOpen in map
Single Family ResidenceResidential
$1,091,414$348 / 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 93How 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 $1,050,000 on Feb 28, 2023

6420 WINDERMERE CIR

ROCKVILLE, MD 20852
3 / 2
Baths
3,136 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.
1971
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
$1M low$1.2M 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 · Feb 28, 2023

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$12,381 (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.$1,155,600 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$1,078,400
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,232,800

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.7 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.Brick
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 · 350 ft²Patio · 144 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.

M
Tilden Middle SchoolA-
Middle · Grades 6–8 · 0.6 mi
H
Walter Johnson High SchoolA
High · Grades 9–12 · 0.8 mi
E
Luxmanor Elementary SchoolA+
Elementary · Grades KG–5 · 0.9 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20852These 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.128
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.92
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.36

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.29%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.7.6%
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.51,764
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.6,168 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$117,549
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$148,499
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

Do you own this home?
Claim this home

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

6420 Windermere Cir 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 82% of homes in Rockville 20852
  • Costs more per square foot than 68% of homes in Montgomery County
  • Bigger than 88% of homes in Rockville 20852
  • Has a bigger lot than 92% of homes in Rockville 20852

What homes are worth in Rockville 20852

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

This home
$178K$1.7M

This home is worth more than 82% of homes in Rockville 20852.

How it measures up in Rockville 20852

The dot is this home. The mark in the middle is the typical home in Rockville 20852.

Estimated value$1,091,414
CheaperTypical $634,549Pricier

Pricier than 82% of homes nearby

Price per ft²$348
CheaperTypical $358Pricier

Pricier than 44% of homes nearby

Living area3,136 ft²
SmallerTypical 1,568 ft²Bigger

Bigger than 88% of homes nearby

Lot size0.35 ac
SmallerTypical 2,004 ft²Bigger

Bigger than 92% of homes nearby

Year built1971
OlderTypical 1980Newer

Newer than 42% of homes nearby

How 6420 Windermere Cir ranks against every home in each area.
MeasureThis homeRockville 20852Montgomery County
Estimated valuepricier than$1,091,41482% of homes82% of homes
Price per ft²pricier than$34844% of homes68% of homes
Living areabigger than3,136 ft²88% of homes79% of homes
Lot sizebigger than0.35 ac92% of homes82% of homes
Year builtnewer than197142% of homes40% of homes

About 6420 Windermere Cir

How much is 6420 Windermere Cir, Rockville, MD worth?

The TopHap Estimate for 6420 Windermere Cir, Rockville, MD is $1,091,414 as of Jul 14, 2026. The likely range is $1,015,104 to $1,167,724. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 6420 Windermere Cir, Rockville, MD last sell?

6420 Windermere Cir, Rockville, MD last sold on Feb 28, 2023 for $1,050,000, according to the county's recorded deed.

How big is 6420 Windermere Cir, Rockville, MD?

6420 Windermere Cir, Rockville, MD has 3 bathrooms, 3,136 square feet of living space and a 0.35-acre lot.

When was 6420 Windermere Cir, Rockville, MD built?

6420 Windermere Cir, Rockville, MD was built in 1971, making it 55 years old. It is a bi-level home. The building has 2 stories.

What schools serve 6420 Windermere Cir, Rockville, MD?

6420 Windermere Cir, Rockville, MD is assigned to Tilden Middle School (middle), rated A-; Walter Johnson High School (high), rated A; Luxmanor Elementary School (elementary), rated A+. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 6420 Windermere Cir, Rockville, MD compare to other homes in Rockville 20852?

Among the 13,874 homes in Rockville 20852, it is worth more than 82% of them ($1,091,414 against a typical $634,549), its price per square foot is higher than 44% of them ($348 against a typical $358), it is bigger than 88% of them (3,136 ft² against a typical 1,568 ft²), its lot is bigger than 92% of them (0.35 ac against a typical 2,004 ft²) and it is newer than 42% of them (1971 against a typical 1980). Measured against all of Montgomery County, it is worth more than 82% 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 6420 Windermere Cir, Rockville, MD?

The 2025 property tax bill for 6420 Windermere Cir, Rockville, MD was $12,381. The county assessed it at $1,155,600.

More homes on Windermere Cir

Closest homes

More homes in Rockville 20852

Assigned schools

Explore the area

See this home in context

Open 6420 Windermere Cir 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