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Single Family ResidenceResidential
$644,089$363 / 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 Oct 21, 2026

4117 GREAT OAK RD

ROCKVILLE, MD 20853
2
Baths
1,776 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.
0.52 ac
Lot SizeThe size of the land the home sits on, from county records.
1938
Year BuiltThe year the home was originally built, according to county records.
1
StoriesHow many floors the home has above ground.
2
ParkingThe number of parking spaces on the property, including the garage.

Valuation

$644K
$556K low$732K high

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,907 (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.$473,633 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$466,700
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$487,500

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.0.52
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.Slate
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Yes
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, Detached
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 · 260 ft²

Assigned SchoolsThe public schools this address is zoned for. Boundaries change, so confirm with the district before you count on it.

E
Flower Valley Elementary SchoolB+
Elementary · Grades KG–5 · 0.7 mi
M
Earle B. Wood Middle SchoolB-
Middle · Grades 6–8 · 1.7 mi
H
Rockville High SchoolB-
High · Grades 9–12 · 2.5 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20853These 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.60
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.98%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.27%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.7%
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.30,497
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.3,373 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,074
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$169,691
Average tempThe average temperature here across a full year.54°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

4117 Great Oak 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.

  • Costs more per square foot than 88% of homes in Rockville 20853
  • Smaller than 70% of homes in Rockville 20853
  • Has a bigger lot than 91% of homes in Rockville 20853
  • Among the oldest homes in Rockville 20853

What homes are worth in Rockville 20853

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

This home
$234K$1.2M

This home is worth more than 50% of homes in Rockville 20853.

How it measures up in Rockville 20853

The dot is this home. The mark in the middle is the typical home in Rockville 20853.

Estimated value$644,089
CheaperTypical $644,348Pricier

Pricier than 50% of homes nearby

Price per ft²$363
CheaperTypical $305Pricier

Pricier than 88% of homes nearby

Living area1,776 ft²
SmallerTypical 2,038 ft²Bigger

Bigger than 30% of homes nearby

Lot size0.52 ac
SmallerTypical 0.23 acBigger

Bigger than 91% of homes nearby

Year built1938
OlderTypical 1965Newer

Older than almost all homes nearby

How 4117 Great Oak Rd ranks against every home in each area.
MeasureThis homeRockville 20853Montgomery County
Estimated valuepricier than$644,08950% of homes52% of homes
Price per ft²pricier than$36388% of homes73% of homes
Living areabigger than1,776 ft²30% of homes41% of homes
Lot sizebigger than0.52 ac91% of homes89% of homes
Year builtnewer than1938almost no homes4% of homes

About 4117 Great Oak Rd

How much is 4117 Great Oak Rd, Rockville, MD worth?

The TopHap Estimate for 4117 Great Oak Rd, Rockville, MD is $644,089 as of Oct 21, 2026. The likely range is $556,306 to $731,872. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 4117 Great Oak Rd, Rockville, MD last sell?

4117 Great Oak Rd, Rockville, MD last sold on Oct 6, 1999, according to the county's recorded deed.

How big is 4117 Great Oak Rd, Rockville, MD?

4117 Great Oak Rd, Rockville, MD has 2 bathrooms, 1,776 square feet of living space and a 0.52-acre lot.

When was 4117 Great Oak Rd, Rockville, MD built?

4117 Great Oak Rd, Rockville, MD was built in 1938, making it 88 years old. The building has 1 story.

What schools serve 4117 Great Oak Rd, Rockville, MD?

4117 Great Oak Rd, Rockville, MD is assigned to Flower Valley Elementary School (elementary), rated B+; Earle B. Wood Middle School (middle), rated B-; Rockville High School (high), rated B-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 4117 Great Oak Rd, Rockville, MD compare to other homes in Rockville 20853?

Among the 9,294 homes in Rockville 20853, it is worth more than 50% of them ($644,089 against a typical $644,348), its price per square foot is higher than 88% of them ($363 against a typical $305), it is bigger than 30% of them (1,776 ft² against a typical 2,038 ft²), its lot is bigger than 91% of them (0.52 ac against a typical 0.23 ac) and it is newer than almost none of them (1938 against a typical 1965). Measured against all of Montgomery County, it is worth more than 52% 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 4117 Great Oak Rd, Rockville, MD?

The 2025 property tax bill for 4117 Great Oak Rd, Rockville, MD was $5,907. The county assessed it at $473,633.

More homes on Great Oak Rd

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