11900 River Rd, Potomac — tax account 160600404681

Single-family house built in 2004, 19,419 ft² on 9.65 acres in Potomac, Montgomery County, assessed at $20,605,500; last transfer February 11, 2026 for $11,840,000.

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	160600404681
Map, grid, parcel	Map EQ Parcel N851 · Lot 3
Location	11900 River Rd, Potomac MD 20854
Jurisdiction	Montgomery County
Subdivision	Darnestown Outside
Plat	6788

Land

Land use	Residential (R)
Zoning	RE2
Acreage	9.650 acres (420,354 ft²)

Structure

Year built	2004
Above-grade area	19,419 ft²
Style	3 Story With Basement
Building type	Standard Unit
Construction	Frame
Quality grade	9 (on a scale of 1 to 9)
Units	2

Assessment — October 2024

Land	$3,298,500
Improvements	$17,307,000
Total	$20,605,500

Last transfer

Date	February 11, 2026
Consideration	$11,840,000
Deed reference	liber 67805, folio 0259

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 3205% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
The last transfer price is 43% below 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.

First page of a sample Maryland Property Report

The report for account 160600404681

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