9991 Old Mill Rd, Ellicott City — tax account 1402338815
Single-family house built in 1989, 3,404 ft² on 0.32 acres in Ellicott City, Howard County, assessed at $822,700; last transfer December 22, 2025 for $835,000.
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 | 1402338815 |
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| Map, grid, parcel | Map 17 Grid 14 Parcel 498 · Lot 4 |
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| Location | 9991 Old Mill Rd, Ellicott City MD 21042 |
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| Jurisdiction | Howard County |
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| Subdivision | Regulars |
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| Plat | 8287 |
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Land
| Land use | Residential (R) |
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| Zoning | R20 |
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| Acreage | 0.324 acres (14,113 ft²) |
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Structure
| Year built | 1989 |
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| Above-grade area | 3,404 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 | 5 (on a scale of 1 to 9) |
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Assessment — January 2025
| Land | $326,500 |
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| Improvements | $496,200 |
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| Total | $822,700 |
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Last transfer
| Date | December 22, 2025 |
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| Consideration | $835,000 |
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| Deed reference | liber 10548, folio 0645 |
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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% 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 1402338815
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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