6287 Firethorn Ln, Clarksville — tax account 1405345081
Single-family house built in 1979, 3,676 ft² on 3.71 acres in Clarksville, Howard County, assessed at $970,100; last transfer December 29, 2025 for $545,000.
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 | 1405345081 |
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| Map, grid, parcel | Map 34 Grid 13 Parcel 264 · Lot 24 |
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| Location | 6287 Firethorn Ln, Clarksville MD 21029 |
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| Jurisdiction | Howard County |
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| Subdivision | Regulars |
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| Plat | 22 54 |
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Land
| Land use | Residential (R) |
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| Zoning | RRDEO |
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| Acreage | 3.710 acres (161,608 ft²) |
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Structure
| Year built | 1979 |
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| Above-grade area | 3,676 ft² |
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| Style | 1 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 | $331,500 |
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| Improvements | $638,600 |
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| Total | $970,100 |
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Last transfer
| Date | December 29, 2025 |
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| Consideration | $545,000 |
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| Deed reference | liber 23047, folio 0406 |
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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 42% above the median residential account in Howard County ($681,000, 62,119 accounts).
- The last transfer price is 44% 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 1405345081
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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