504 Willowshire St, Middle River — tax account 04152500018599
Single-family house built in 2025, 2,808 ft² on 0.10 acres in Middle River, Baltimore County, assessed at $687,500; last transfer November 14, 2025 for $1,580,005.
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 | 04152500018599 |
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| Map, grid, parcel | Map 83 Grid 14 Parcel 737 · Lot 3L17A |
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| Location | 504 Willowshire St, Middle River MD 21220 |
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| Jurisdiction | Baltimore County |
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| Subdivision | Greenleigh at Crossroads |
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| Plat | 1 |
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Land
| Land use | Residential (R) |
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| Acreage | 0.098 acres (4,269 ft²) |
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Structure
| Year built | 2025 |
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| Above-grade area | 2,808 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 — January 2024
| Land | $181,400 |
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| Improvements | $506,100 |
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| Total | $687,500 |
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Last transfer
| Date | November 14, 2025 |
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| Consideration | $1,580,005 |
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| Deed reference | liber 49966, folio 0376 |
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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 130% above the median residential account in Baltimore County ($299,400, 240,976 accounts).
- The last transfer price is 130% 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 04152500018599
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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