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Single Family ResidenceResidential
$705,579$565 / 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 97How well the pricing models agreed with each other on this home. Higher means the estimate rests on stronger, more consistent data.· as of Sep 24, 2026
Last sold for $689,000 on Sep 30, 2024

17800 RIDGE DR

ROCKVILLE, MD 20853
1.5
Baths
1,248 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.
1.53 ac
Lot SizeThe size of the land the home sits on, from county records.
1948
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

$706K
$683K low$728K high
Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$689,000 · Sep 30, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$5,050 (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.$474,233 (2026)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$374,200
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$674,300

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.Townhouse
CountyMONTGOMERY
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 · 112 ft²Porch · 80 ft²

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
Sequoyah Elementary SchoolB
Elementary · Grades KG–5 · 1.2 mi
H
Col. Zadok Magruder High SchoolC
High · Grades 9–12 · 1.6 mi
M
Redland Middle SchoolC-
Middle · Grades 6–8 · 1.9 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

17800 Ridge Dr 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.

  • Among the highest price per square foot in Rockville 20853
  • Smaller than 93% of homes in Rockville 20853
  • Among the largest lots 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
$233K$1.3M

This home is worth more than 64% 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$705,579
CheaperTypical $640,289Pricier

Pricier than 64% of homes nearby

Price per ft²$565
CheaperTypical $302Pricier

Pricier than almost all homes nearby

Living area1,248 ft²
SmallerTypical 2,045 ft²Bigger

Bigger than 7% of homes nearby

Lot size1.53 ac
SmallerTypical 0.23 acBigger

Bigger than almost all homes nearby

Year built1948
OlderTypical 1965Newer

Older than almost all homes nearby

How 17800 Ridge Dr ranks against every home in each area.
MeasureThis homeRockville 20853Montgomery County
Estimated valuepricier than$705,57964% of homes59% of homes
Price per ft²pricier than$565almost all homes96% of homes
Living areabigger than1,248 ft²7% of homes18% of homes
Lot sizebigger than1.53 acalmost all homes96% of homes
Year builtnewer than1948almost no homes9% of homes

About 17800 Ridge Dr

How much is 17800 Ridge Dr, Rockville, MD worth?

The TopHap Estimate for 17800 Ridge Dr, Rockville, MD is $705,579 as of Sep 24, 2026. The likely range is $683,423 to $727,735. The estimate is modelled from recorded sales, assessments and the property's own characteristics — it is not an appraisal.

When did 17800 Ridge Dr, Rockville, MD last sell?

17800 Ridge Dr, Rockville, MD last sold on Sep 30, 2024 for $689,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

How big is 17800 Ridge Dr, Rockville, MD?

17800 Ridge Dr, Rockville, MD has 1.5 bathrooms and 1,248 square feet of living space.

When was 17800 Ridge Dr, Rockville, MD built?

17800 Ridge Dr, Rockville, MD was built in 1948, making it 78 years old. It is a townhouse home. The building has 1 story.

What schools serve 17800 Ridge Dr, Rockville, MD?

17800 Ridge Dr, Rockville, MD is assigned to Sequoyah Elementary School (elementary), rated B; Col. Zadok Magruder High School (high), rated C; Redland Middle School (middle), rated C-. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 17800 Ridge Dr, Rockville, MD compare to other homes in Rockville 20853?

Among the 9,294 homes in Rockville 20853, it is worth more than 64% of them ($705,579 against a typical $640,289), its price per square foot is higher than almost all of them ($565 against a typical $302), it is bigger than 7% of them (1,248 ft² against a typical 2,045 ft²), its lot is bigger than almost all of them (1.53 ac against a typical 0.23 ac) and it is newer than almost none of them (1948 against a typical 1965). Measured against all of Montgomery County, it is worth more than 59% 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 17800 Ridge Dr, Rockville, MD?

The 2025 property tax bill for 17800 Ridge Dr, Rockville, MD was $5,050. The county assessed it at $474,233.

More homes on Ridge Dr

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Assigned schools

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