11721 Ambleside Dr, Potomac — tax account 161000899092
Single-family house built in 1971, 1,860 ft² on 0.52 acres in Potomac, Montgomery County, assessed at $1,160,500; last transfer August 13, 2025 for $1,200,000.
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 | 161000899092 |
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| Map, grid, parcel | Map FQ56 · Block C Lot 21 |
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| Location | 11721 Ambleside Dr, Potomac MD 20854 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Roberts Glen |
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Land
| Land use | Residential (R) |
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| Zoning | R200 |
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| Acreage | 0.521 acres (22,695 ft²) |
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Structure
| Year built | 1971 |
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| Above-grade area | 1,860 ft² |
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| Style | 2 Story With Basement |
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| Building type | Standard Unit |
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| Construction | Frame |
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| Quality grade | 5 (on a scale of 1 to 9) |
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Assessment — January 2026
| Land | $474,400 |
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| Improvements | $686,100 |
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| Total | $1,160,500 |
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| Homestead qualification code | 1 |
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Last transfer
| Date | August 13, 2025 |
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| Consideration | $1,200,000 |
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| Deed reference | liber 59988, folio 0204 |
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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 86% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 3% above the current assessment.
- Built before 1978: Maryland requires rental units built before 1978 to be registered with MDE and to pass a lead-risk reduction inspection.
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 161000899092
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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