4603 Thoroughbred Dr, Upper Marlboro — tax account 17155526433
Single-family house built in 2019, 3,360 ft² on 0.18 acres in Upper Marlboro, Prince George's County, assessed at $747,500; last transfer November 10, 2025 for $804,000.
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 | 17155526433 |
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| Map, grid, parcel | Map 92 Grid C3 · Block F Lot 47 |
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| Location | 4603 Thoroughbred Dr, Upper Marlboro MD 20772 |
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| Jurisdiction | Prince George's County |
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| Subdivision | Marlboro Ridge |
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| Plat | 237059 |
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Land
| Land use | Residential (R) |
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| Zoning | RR |
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| Acreage | 0.180 acres (7,841 ft²) |
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Structure
| Year built | 2019 |
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| Above-grade area | 3,360 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 2026
| Land | $180,700 |
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| Improvements | $566,800 |
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| Total | $747,500 |
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Last transfer
| Date | November 10, 2025 |
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| Consideration | $804,000 |
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| Deed reference | liber 42201, folio 0336 |
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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 76% above the median residential account in Prince George's County ($425,400, 184,855 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 17155526433
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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