7127 Grinnell Dr, Derwood — tax account 160402240161

Single-family house built in 1987, 2,508 ft² on 0.27 acres in Derwood, Montgomery County, assessed at $704,500; last transfer November 3, 2025 for $600,000.

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	160402240161
Map, grid, parcel	Map GS34 · Block Y Lot 17
Location	7127 Grinnell Dr, Derwood MD 20855
Jurisdiction	Montgomery County
Subdivision	Derwood Station

Land

Land use	Residential (R)
Zoning	R200
Acreage	0.272 acres (11,848 ft²)

Structure

Year built	1987
Above-grade area	2,508 ft²
Style	2 Story With Basement
Building type	Standard Unit
Construction	Siding
Quality grade	4 (on a scale of 1 to 9)

Assessment — October 2023

Land	$333,200
Improvements	$371,300
Total	$704,500

Last transfer

Date	November 3, 2025
Consideration	$600,000
Deed reference	liber 11681, folio 0526

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 13% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
The last transfer price is 15% 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 160402240161

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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