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Apartments (Generic)Residential
Last sold for $12,150,000 on Jun 18, 2004

12503 ARDENNES AVE

ROCKVILLE, MD 20852
0
Baths
202,300 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.
4.01 ac
Lot SizeThe size of the land the home sits on, from county records.
2020
Year BuiltThe year the home was originally built, according to county records.
4
StoriesHow many floors the home has above ground.

Valuation

Last SaleThe most recent sale price and date from the recorded deed. Transfers between family members or companies may not reflect market value.$12,150,000 · Jun 18, 2004

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$802,529 (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.$66,300,000 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$12,366,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$53,934,000
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$59,114,867
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$66,300,000

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.8 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.6%
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.Apartments (Generic)
CountyMONTGOMERY
ConstructionThe main material the home's frame and walls are built from.Brick
HeatingThe type of heating system in the home.Yes
CoolingThe type of cooling or air conditioning in the home.Central
PoolWhether the property has a pool, and what kind, such as in-ground.No
ViewThe type of view from the property, or another feature of the site that affects value.Commercial/Industrial

Transaction History(4)

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
Twinbrook Elementary SchoolB
Elementary · Grades PK–5 · 0.3 mi
H
Richard Montgomery High SchoolA-
High · Grades 9–12 · 1.9 mi
M
Julius West Middle SchoolA
Middle · Grades 6–8 · 2.6 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%

Ownership

OccupancyWhether the owner appears to live here or somewhere else. It is inferred from the mailing address on record.Absentee owner
Company ownedWhether the owner is a company or trust rather than a person.Yes

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

12503 Ardennes Ave 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 largest homes in Rockville
  • Among the largest lots in Rockville
  • Newer than 98% of homes in Montgomery County

How it measures up in Rockville 20852

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

Living area202,300 ft²
SmallerTypical 1,560 ft²Bigger

Bigger than almost all homes nearby

Lot size4.01 ac
SmallerTypical 2,004 ft²Bigger

Bigger than almost all homes nearby

Year built2020
OlderTypical 1980Newer

Newer than 97% of homes nearby

How 12503 Ardennes Ave ranks against every home in each area.
MeasureThis homeRockvilleRockville 20852Montgomery County
Living areabigger than202,300 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than4.01 acalmost all homesalmost all homesalmost all homes
Year builtnewer than202095% of homes97% of homes98% of homes

About 12503 Ardennes Ave

When did 12503 Ardennes Ave, Rockville, MD last sell?

12503 Ardennes Ave, Rockville, MD last sold on Jun 18, 2004 for $12,150,000, according to the county's recorded deed. TopHap holds 2 recorded sales for this parcel.

When was 12503 Ardennes Ave, Rockville, MD built?

12503 Ardennes Ave, Rockville, MD was built in 2020, making it 6 years old. The building has 4 stories.

What schools serve 12503 Ardennes Ave, Rockville, MD?

12503 Ardennes Ave, Rockville, MD is assigned to Twinbrook Elementary School (elementary), rated B; Richard Montgomery High School (high), rated A-; Julius West Middle School (middle), rated A. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 12503 Ardennes Ave, Rockville, MD compare to other homes in Rockville 20852?

Among the 13,874 homes in Rockville 20852, it is bigger than almost all of them (202,300 ft² against a typical 1,560 ft²), its lot is bigger than almost all of them (4.01 ac against a typical 2,004 ft²) and it is newer than 97% of them (2020 against a typical 1980). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 12503 Ardennes Ave, Rockville, MD?

The 2025 property tax bill for 12503 Ardennes Ave, Rockville, MD was $802,529. The county assessed it at $66,300,000.

Closest homes

More homes in Rockville 20852

Assigned schools

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