13817 Mustang Hill Ln, Gaithersburg — tax account 160602471932
Single-family house built in 1986, 1,702 ft² on 0.18 acres in Gaithersburg, Montgomery County, assessed at $893,400; last transfer November 18, 2025 for $860,000.
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 | 160602471932 |
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| Map, grid, parcel | Map ER56 · Block E Lot 48 |
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| Location | 13817 Mustang Hill Ln, Gaithersburg MD 20878 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Potomac Ridge |
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| Plat | 15131 |
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Land
| Land use | Exempt (E) |
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| Zoning | R200 |
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| Acreage | 0.178 acres (7,754 ft²) |
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Structure
| Year built | 1986 |
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| Above-grade area | 1,702 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 | 4 (on a scale of 1 to 9) |
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Assessment — October 2024
| Land | $331,100 |
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| Improvements | $562,300 |
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| Total | $893,400 |
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| Homestead qualification code | 1 |
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Last transfer
| Date | November 18, 2025 |
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| Consideration | $860,000 |
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| Deed reference | liber 64760, folio 0006 |
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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 182% above the median exempt account in Montgomery County ($316,700, 11,153 accounts).
- The last transfer price is 4% 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.

The report for account 160602471932
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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