41505 Knight Rd, Leonardtown — tax account 1903057992
Single-family house built in 2012, 9,763 ft² on 17.87 acres in Leonardtown, St. Mary's County, assessed at $2,776,400; last transfer January 21, 2026 for $4,995,000.
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 | 1903057992 |
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| Map, grid, parcel | Map 40 Grid 17 Parcel 94 · Lot 3 |
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| Location | 41505 Knight Rd, Leonardtown MD 20650 |
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| Jurisdiction | St. Mary's County |
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| Subdivision | Prospect Hill |
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| Plat | 41 114 |
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Land
| Land use | Agricultural (A) |
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| Acreage | 17.870 acres (778,417 ft²) |
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Structure
| Year built | 2012 |
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| Above-grade area | 9,763 ft² |
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| Style | 2.5 Story With Basement |
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| Building type | Standard Unit |
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| Construction | Stone |
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| Quality grade | 8 (on a scale of 1 to 9) |
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Assessment — January 2026
| Land | $323,600 |
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| Improvements | $2,452,800 |
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| Total | $2,776,400 |
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| Homestead qualification code | 1 |
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Last transfer
| Date | January 21, 2026 |
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| Consideration | $4,995,000 |
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| Deed reference | liber 06329, folio 0211 |
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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 951% above the median agricultural account in St. Mary's County ($264,200, 2,942 accounts).
- The last transfer price is 80% 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 1903057992
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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