40552 Breton Knolls Ct, Leonardtown — tax account 1903021734
Single-family house built in 2025, 3,614 ft² on 3.08 acres in Leonardtown, St. Mary's County, assessed at $924,100; last transfer September 29, 2025 for $971,725.
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 | 1903021734 |
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| Map, grid, parcel | Map 40 Grid 8 Parcel 118 · Lot 1 |
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| Location | 40552 Breton Knolls Ct, Leonardtown MD 20650 |
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| Jurisdiction | St. Mary's County |
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| Subdivision | Breton Knolls |
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| Plat | 71 115 |
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Land
| Land use | Exempt (E) |
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| Zoning | RPD |
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| Acreage | 3.080 acres (134,165 ft²) |
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Structure
| Year built | 2025 |
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| Above-grade area | 3,614 ft² |
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| Style | 1 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 — January 2026
| Land | $125,400 |
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| Improvements | $798,700 |
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| Total | $924,100 |
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Last transfer
| Date | September 29, 2025 |
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| Consideration | $971,725 |
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| Deed reference | liber 06632, folio 0120 |
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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 112% above the median exempt account in St. Mary's County ($434,900, 1,958 accounts).
- The last transfer price is 5% 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 1903021734
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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