9900 New London Dr, Potomac — tax account 161002587695

Single-family house built in 1990, 9,893 ft² on 2.56 acres in Potomac, Montgomery County, assessed at $4,552,800; last transfer November 6, 2025 for $4,850,000.

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	161002587695
Map, grid, parcel	Map FN34 · Block H Lot 1
Location	9900 New London Dr, Potomac MD 20854
Jurisdiction	Montgomery County
Subdivision	Avenel

Land

Land use	Residential (R)
Zoning	RE2C
Acreage	2.560 acres (111,514 ft²)

Structure

Year built	1990
Above-grade area	9,893 ft²
Style	2 Story With Basement
Building type	Standard Unit
Construction	Brick
Quality grade	9 (on a scale of 1 to 9)
Units	2

Assessment — January 2026

Land	$1,243,600
Improvements	$3,309,200
Total	$4,552,800

Last transfer

Date	November 6, 2025
Consideration	$4,850,000
Deed reference	liber 68585, folio 0225

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 630% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
The last transfer price is 7% 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.

First page of a sample Maryland Property Report

The report for account 161002587695

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