12905 Quail Run Ct, Gaithersburg — tax account 160603279210
Single-family house built in 2026, 4,058 ft² on 0.84 acres in Gaithersburg, Montgomery County, assessed at $1,353,900; last transfer July 30, 2025 for $517,663.
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 | 160603279210 |
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| Map, grid, parcel | Map ES34 · Block G Lot 22 |
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| Location | 12905 Quail Run Ct, Gaithersburg MD 20878 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Quail Run |
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| Plat | 21280 |
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Land
| Land use | Residential (R) |
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| Zoning | R200 |
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| Acreage | 0.841 acres (36,634 ft²) |
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Structure
| Year built | 2026 |
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| Above-grade area | 4,058 ft² |
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| Style | 2 Story With Basement |
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| Building type | Standard Unit |
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| Construction | Siding |
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| Quality grade | 5 (on a scale of 1 to 9) |
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Assessment — October 2024
| Land | $283,900 |
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| Improvements | $1,070,000 |
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| Total | $1,353,900 |
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Last transfer
| Date | July 30, 2025 |
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| Consideration | $517,663 |
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| Deed reference | liber 69264, folio 0154 |
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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 117% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 62% 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 160603279210
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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