9438 River Rd, Potomac — tax account 161003816391
Residential on 2.01 acres in Potomac, Montgomery County, assessed at $1,001,500; last transfer November 25, 2025 for $2,050,000.
From the State Department of Assessments and Taxation file as published by the Maryland Department of Planning (MD iMAP) — not the official record. Open the official SDAT record.
Account
| Tax account number | 161003816391 |
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| Map, grid, parcel | Map FP56 Parcel N171 · Lot 3 |
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| Location | 9438 River Rd, Potomac MD 20854 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Potomac Outside |
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| Plat | 25405 |
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Land
| Land use | Residential (R) |
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| Zoning | RE2 |
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| Acreage | 2.010 acres (87,556 ft²) |
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Assessment — January 2026
| Land | $1,001,500 |
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| Total | $1,001,500 |
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Last transfer
| Date | November 25, 2025 |
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| Consideration | $2,050,000 |
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What this means
- Maryland reassesses each property every three years; increases are phased in over the following three years, and the Homestead Tax Credit caps the yearly increase on a principal residence.
- Assessed 61% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 105% above the current assessment.
Parcel point of the Maryland Department of Planning — not a survey.
Data: Maryland Department of Planning / SDAT, MD iMAP Parcel Points, retrieved November 1, 2026. Sources and freshness. No owner names or mailing addresses are published.
The report for account 161003816391
This page shows the assessment record. The report adds what lies around the property: FEMA flood zone, Critical Area designation, wetlands, contaminated land sites nearby and historic properties.
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