12248 Running Fence Ln, Clarksville — tax account 1405449065
Single-family house built in 2011, 4,294 ft² on 0.86 acres in Clarksville, Howard County, assessed at $1,661,300; last transfer August 4, 2025 for $400,000.
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 | 1405449065 |
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| Map, grid, parcel | Map 28 Grid 18 Parcel 74 · Block 9999 Lot 45 |
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| Location | 12248 Running Fence Ln, Clarksville MD 21029 |
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| Jurisdiction | Howard County |
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| Subdivision | Walnut |
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| Plat | 19225 |
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Land
| Land use | Residential (R) |
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| Zoning | RCDEO |
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| Acreage | 0.858 acres (37,374 ft²) |
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Structure
| Year built | 2011 |
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| Above-grade area | 4,294 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 — September 2025
| Land | $643,100 |
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| Improvements | $1,018,200 |
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| Total | $1,661,300 |
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Last transfer
| Date | August 4, 2025 |
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| Consideration | $400,000 |
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| Deed reference | liber 13062, folio 0203 |
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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 144% above the median residential account in Howard County ($681,000, 62,119 accounts).
- The last transfer price is 76% 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 1405449065
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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