21723 Rolling Ridge Ln, Gaithersburg — tax account 160103570144
Single-family house built in 2009, 4,270 ft² on 2.03 acres in Gaithersburg, Montgomery County, assessed at $1,054,800; last transfer April 17, 2026 for $1,100,000.
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 | 160103570144 |
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| Map, grid, parcel | Map GV · Block A Lot 12 |
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| Location | 21723 Rolling Ridge Ln, Gaithersburg MD 20882 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Rolling Ridge |
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| Plat | 23496 |
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Land
| Land use | Residential (R) |
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| Zoning | RR-3 |
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| Acreage | 2.030 acres (88,427 ft²) |
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Structure
| Year built | 2009 |
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| Above-grade area | 4,270 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 | 6 (on a scale of 1 to 9) |
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Assessment — October 2023
| Land | $264,400 |
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| Improvements | $790,400 |
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| Total | $1,054,800 |
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Last transfer
| Date | April 17, 2026 |
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| Consideration | $1,100,000 |
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| Deed reference | liber 37992, folio 0085 |
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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 69% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 4% 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 160103570144
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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