Montgomery County property record for 21300 River Rd, Poolesville, MD 20837 · Last verified August 2026
| Property Type | Farm - Irrigated or Dry |
|---|---|
| Details | 5.5 ba · 7,687 sqft · built 1900 |
| Lot Size | 658 acres (28,692,972 sqft) |
| Owner | Company Name on File |
| Tax Bill | $13,261 (2025) |
| Flood Zone | Zone A (high risk) |
| APN | 03-03227626 |
| Primary APN | 03-03227626 |
|---|---|
| Alternative APN |
|
| Full Baths | 5.5 Baths |
|---|---|
| Half Baths | 1 Half Bath |
| Units | 2 Units |
| Stories | 1 Story |
| Building Area | 7,687 sqft Gross Area |
| 1st Floor Area | 4,271 sqft |
| Basement Area | 1,322 sqft |
| Finished Basement | 1,322 sqft |
| Fireplaces | 1 Fireplace |
| Fireplace | Fireplace |
| Year Built | Built 1900 |
|---|---|
| Effective Year Built | Effective 1900 |
| Architectural Style | Conventional |
| Construction Type | Frame |
| Roof Material | Composition Shingle |
| Lot Area | 28,692,972 sqft |
| Garage Type | Detached |
| Garage Area | 576 sqft |
| Parking Spaces | 2 Parking Spaces |
| Pool Area | 855 sqft |
|---|---|
| Porch | Open Porch |
| Porch Area | 180 sqft |
| Deck Area | 462 sqft |
| Total Buildings | 2 Buildings |
| Cooling System | HVAC |
|---|---|
| Heating System | Space Heater |
| Sewer | Connected |
| Account Number | 03227626 |
|---|---|
| Street Address | 21300 RIVER RD |
| City | POOLESVILLE |
| State | MD |
| Zip | 20837-9114 |
| Property Category | Agriculture or Farming |
| Property Type | Agriculture / Farming > Farm - Irrigated or Dry |
| Legal Description | POOLESVILLE |
| Legal Subdivision | KILMAIN & SATURDAY NIGHT |
| Legal Block | 1 |
| Jurisdiction | MONTGOMERY MD |
| Township / Civil Division | 3 |
| Census Block Group | 1 |
| Census Block | 1065 |
| Census Tract | 700500 |
Source: Montgomery County records · APN 03-03227626
Assessment roll updated August 17, 2026 · Last verified August 2026
Owner names and exact recorded amounts shown locked on this page are available instantly with a free trial.
| Owner of Record | Company Name on File |
|---|---|
| Mailing Address | 21300 RIVER RD, POOLESVILLE, MD 20837-9114 |
| Owner Type | Company |
| Vesting | Company |
| Deed Names | Verified Name on Deed |
|---|---|
| Last Sale | May 19, 1998 |
| Deed Sale | May 19, 1998 |
| Deed Document Number | 1998117251 |
| Deed Book / Page | 15898 / 594 |
| Record Updated | Sep 20, 2026 |
Source: Montgomery County records · Assessment roll updated August 17, 2026 · Last verified August 2026
| Type | Name |
|---|---|
| State | Maryland |
| County | Montgomery County |
| Unified School District | Montgomery County Public Schools (PK - 12) |
Assessed value and assessed market value are set for property tax purposes and are not market price estimates.
| Year | Tax Bill | Assessed Value | Assessed Market Value |
|---|---|---|---|
| 2026 | $1,129,867 (+7.21%) | $1,205,900 (-) Land $456,900 Building $749,000 | |
| 2025 | $13,261.00 (+9.92%) | $1,053,833 (+8.89%) | $1,205,900 (+23.33%) Land $456,900 Building $749,000 |
| 2023 | $967,767 | $977,800 Land $456,900 Building $520,900 | |
| 2022 | $12,064.00 |
Source: FEMA National Flood Hazard Layer, Montgomery County (24031C), updated April 12, 2026 · FEMA OpenFEMA NFIP redacted claims and policies, census block group 240317005001, refreshed September 2026 · USDA Forest Service Wildfire Risk to Communities, 2nd edition (2024), fuels as of 2020 · Last verified October 2026
| FEMA Flood Zone | Zone A |
|---|---|
| Special Flood Hazard Area | Yes |
| Flood Hazard | High |
| 100-Year Floodplain | Yes 1% annual chance |
| Floodway | No |
| Base Flood Elevation | Not determined for this zone |
| Flood Insurance Requirement | Required (federally backed mortgages) |
| Nearby Flood Policies | 6 in force |
| Nearby Flood Claims | 119 (1978–1996) |
| Claims Outside the SFHA | 11 of 119 |
| Most Recent Claim | Sep 1996, rainfall accumulation |
| Wildfire Risk | Low above 20% of the US · above 41% of Maryland |
|---|---|
| Wildfire Likelihood | About 1 in 10,000 per year |
| Exposure | Indirect within ember reach |
| Adjoins Burnable Land | Yes |
Values are read at the parcel center point; flood claims are located to the census block group, not this parcel; lenders make the official flood determination.
Source: FCC Broadband Data Collection, availability as of December 31, 2025 · Published October 2026 · based on 5 locations within about half a mile of this property, a small sample
| Provider | Technology | Download / Upload (Mbps) |
|---|---|---|
| Starlink | Satellite (low-earth orbit) | 280 / 30 |
May also be available at this address: Verizon. Availability varies by address; speeds are provider-advertised maximums, not measured.
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