6444 Mellow Wine Way, Columbia — tax account 1415106948
Single-family house built in 1994, 2,728 ft² on 0.27 acres in Columbia, Howard County, assessed at $822,400; last transfer August 28, 2025 for $815,000.
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 | 1415106948 |
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| Map, grid, parcel | Map 35 Grid 14 Parcel 435 · Lot 149 |
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| Location | 6444 Mellow Wine Way, Columbia MD 21044 |
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| Jurisdiction | Howard County |
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| Subdivision | Village of River Hill |
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| Plat | 10942 |
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Land
| Land use | Residential (R) |
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| Zoning | NT |
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| Acreage | 0.271 acres (11,805 ft²) |
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Structure
| Year built | 1994 |
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| Above-grade area | 2,728 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 — January 2025
| Land | $440,600 |
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| Improvements | $381,800 |
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| Total | $822,400 |
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Last transfer
| Date | August 28, 2025 |
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| Consideration | $815,000 |
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| Deed reference | liber 19267, folio 0418 |
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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 21% above the median residential account in Howard County ($681,000, 62,119 accounts).
- The last transfer price is 1% 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 1415106948
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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