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Apartments (Generic)Residential
Last sold for $150,000,000 on Dec 27, 2024

800 ROCKWELL AVE

GAITHERSBURG, MD 20878
0
Baths
385,641 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.
2.65 ac
Lot SizeThe size of the land the home sits on, from county records.
2021
Year BuiltThe year the home was originally built, according to county records.
8
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.$150,000,000 · Dec 27, 2024

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$1,005,511 (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.$82,002,900 (2026)
Assessed LandThe share of the county's assessed value that comes from the land itself, not the buildings.$11,760,000
Assessed ImprovementsThe share of the county's assessed value that comes from the buildings and other structures on the land.$70,242,900
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$75,963,500
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$82,002,900

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
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Elevator

Transaction History(1)

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
Rosemont Elementary SchoolC+
Elementary · Grades PK–5 · 1.2 mi
H
Gaithersburg High SchoolD+
High · Grades 9–12 · 1.7 mi
M
Forest Oak Middle SchoolD+
Middle · Grades 6–8 · 3.0 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20878These 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.62
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.89
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.42

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.97%
Bachelor's or higherThe share of adults 25 and older whose highest degree is a bachelor's degree.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.4.9%
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.66,167
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.2,976 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$145,457
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$176,656
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

800 Rockwell 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 Gaithersburg
  • Among the largest lots in Gaithersburg
  • Among the newest homes in Gaithersburg

How it measures up in Gaithersburg 20878

The dot is this home. The mark in the middle is the typical home in Gaithersburg 20878.

Living area385,641 ft²
SmallerTypical 2,268 ft²Bigger

Bigger than almost all homes nearby

Lot size2.65 ac
SmallerTypical 0.1 acBigger

Bigger than almost all homes nearby

Year built2021
OlderTypical 1988Newer

Newer than almost all homes nearby

How 800 Rockwell Ave ranks against every home in each area.
MeasureThis homeGaithersburgGaithersburg 20878Montgomery County
Living areabigger than385,641 ft²almost all homesalmost all homesalmost all homes
Lot sizebigger than2.65 acalmost all homesalmost all homes98% of homes
Year builtnewer than2021almost all homesalmost all homesalmost all homes

About 800 Rockwell Ave

When did 800 Rockwell Ave, Gaithersburg, MD last sell?

800 Rockwell Ave, Gaithersburg, MD last sold on Dec 27, 2024 for $150,000,000, according to the county's recorded deed.

When was 800 Rockwell Ave, Gaithersburg, MD built?

800 Rockwell Ave, Gaithersburg, MD was built in 2021, making it 5 years old. The building has 8 stories.

What schools serve 800 Rockwell Ave, Gaithersburg, MD?

800 Rockwell Ave, Gaithersburg, MD is assigned to Rosemont Elementary School (elementary), rated C+; Gaithersburg High School (high), rated D+; Forest Oak Middle School (middle), rated D+. All sit in Montgomery County Public Schools. Attendance boundaries change — confirm with the district before relying on an assignment.

How does 800 Rockwell Ave, Gaithersburg, MD compare to other homes in Gaithersburg 20878?

Among the 20,757 homes in Gaithersburg 20878, it is bigger than almost all of them (385,641 ft² against a typical 2,268 ft²), its lot is bigger than almost all of them (2.65 ac against a typical 0.1 ac) and it is newer than almost all of them (2021 against a typical 1988). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 800 Rockwell Ave, Gaithersburg, MD?

The 2025 property tax bill for 800 Rockwell Ave, Gaithersburg, MD was $1,005,511. The county assessed it at $82,002,900.

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Assigned schools

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