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Farm (Irrigated Or Dry)Agriculture / Farming

21300 RIVER RD

POOLESVILLE, MD 20837
5.5
Baths
7,687 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.
658.7 ac
Lot SizeThe size of the land the home sits on, from county records.
1900
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.

Tax & Assessment

Property TaxThe property tax billed for this tax year. It usually pays for schools, roads, and local services.$13,261 (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.$1,053,833 (2025)
Previous AssessedThe county's assessed value from the year before, useful for seeing how the assessment changed.$977,800
Assessor Market ValueThe county assessor's own opinion of market value. It is separate from our estimate and updates on the county's schedule.$1,205,900

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.197 in
30-Year Flood ChanceThe chance of at least one serious flood here in the next 30 years, not in any single year.51%
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.1 percent flood zone

Scores 0–100; higher = greater projected risk.

Property Facts

Property TypeThe broad category the county puts this property in, such as residential or commercial.Farm (Irrigated Or Dry)
StyleThe architectural style of the home, such as ranch or colonial.Conventional
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.Space
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.Yes
FeaturesExtra features found in county records. Records are not complete everywhere, so a missing feature does not always mean the home lacks it.Deck · 462 ft²Porch · 180 ft²

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.

M
John H. Poole Middle SchoolA-
Middle · Grades 6–8 · 3.3 mi
H
Poolesville High SchoolA
High · Grades 9–12 · 4.1 mi
E
Poolesville Elementary SchoolA-
Elementary · Grades KG–5 · 4.4 mi

District: Montgomery County Public Schools

Neighborhood · ZIP 20837These 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.84
Air pollutionOverall air pollution compared with the rest of the country, where 100 is average. Lower is cleaner.82
EarthquakeEarthquake risk and likely building damage compared with the rest of the country, where 100 is average. Scores can run far above 100.40

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.35%
Poverty rateThe share of people whose household income falls below the federal poverty line, which varies by family size.8.5%
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.5,380
DensityPeople per square mile. Higher numbers mean a more crowded, urban area.127 / mi²
Median incomeThe middle household income here — half of households earn more, half earn less.$155,019
Average incomeThe average household income. It runs higher than the median when a few high earners pull it up.$183,043
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%

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

21300 River 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.

  • Among the largest homes in Poolesville 20837
  • Among the largest lots in Poolesville 20837
  • Among the oldest homes in Poolesville 20837

How it measures up in Poolesville 20837

The dot is this home. The mark in the middle is the typical home in Poolesville 20837.

Living area7,687 ft²
SmallerTypical 2,442 ft²Bigger

Bigger than almost all homes nearby

Lot size658.7 ac
SmallerTypical 0.43 acBigger

Bigger than almost all homes nearby

Year built1900
OlderTypical 1979Newer

Older than almost all homes nearby

How 21300 River Rd ranks against every home in each area.
MeasureThis homePoolesville 20837Montgomery County
Living areabigger than7,687 ft²almost all homesalmost all homes
Lot sizebigger than658.7 acalmost all homesalmost all homes
Year builtnewer than1900almost no homesalmost no homes

About 21300 River Rd

When did 21300 River Rd, Poolesville, MD last sell?

21300 River Rd, Poolesville, MD last sold on May 19, 1998, according to the county's recorded deed.

How big is 21300 River Rd, Poolesville, MD?

21300 River Rd, Poolesville, MD has 5.5 bathrooms and 7,687 square feet of living space.

When was 21300 River Rd, Poolesville, MD built?

21300 River Rd, Poolesville, MD was built in 1900, making it 126 years old. It is a conventional home. The building has 1 story.

What schools serve 21300 River Rd, Poolesville, MD?

21300 River Rd, Poolesville, MD is assigned to John H. Poole Middle School (middle), rated A-; Poolesville High School (high), rated A; Poolesville 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 21300 River Rd, Poolesville, MD compare to other homes in Poolesville 20837?

Among the 2,260 homes in Poolesville 20837, it is bigger than almost all of them (7,687 ft² against a typical 2,442 ft²), its lot is bigger than almost all of them (658.7 ac against a typical 0.43 ac) and it is newer than almost none of them (1900 against a typical 1979). These shares are recounted nightly from the full county assessor record for each area, not from active listings.

What are the property taxes on 21300 River Rd, Poolesville, MD?

The 2025 property tax bill for 21300 River Rd, Poolesville, MD was $13,261. The county assessed it at $1,053,833.

Closest homes

More homes in Poolesville 20837

Assigned schools

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