6800 Roslyn Ct, Columbia — tax account 1405425492
Single-family house built in 1998, 1,904 ft² on 0.33 acres in Columbia, Howard County, assessed at $777,700; last transfer August 4, 2025 for $837,000.
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 | 1405425492 |
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| Map, grid, parcel | Map 35 Grid 20 Parcel 353 · Lot 20 |
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| Location | 6800 Roslyn Ct, Columbia MD 21044 |
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| Jurisdiction | Howard County |
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| Subdivision | Regulars |
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| Plat | 12413 |
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Land
| Land use | Residential (R) |
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| Zoning | R20 |
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| Acreage | 0.326 acres (14,201 ft²) |
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Structure
| Year built | 1998 |
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| Above-grade area | 1,904 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 — September 2025
| Land | $386,500 |
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| Improvements | $391,200 |
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| Total | $777,700 |
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| Homestead qualification code | 1 |
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Last transfer
| Date | August 4, 2025 |
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| Consideration | $837,000 |
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| Deed reference | liber 17044, folio 0223 |
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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 14% above the median residential account in Howard County ($681,000, 62,119 accounts).
- The last transfer price is 8% above 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 1405425492
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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