2101 Bishops Castle Dr, Olney — tax account 160802761311
Single-family house built in 1993, 3,002 ft² on 0.20 acres in Olney, Montgomery County, assessed at $817,100; last transfer September 30, 2025 for $926,500.
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 | 160802761311 |
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| Map, grid, parcel | Map JT12 · Block P Lot 38 |
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| Location | 2101 Bishops Castle Dr, Olney MD 20832 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Hallowell |
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| Plat | 16864 |
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Land
| Land use | Residential (R) |
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| Zoning | RE2 |
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| Acreage | 0.205 acres (8,930 ft²) |
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Structure
| Year built | 1993 |
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| Above-grade area | 3,002 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 — October 2023
| Land | $253,000 |
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| Improvements | $564,100 |
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| Total | $817,100 |
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Last transfer
| Date | September 30, 2025 |
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| Consideration | $926,500 |
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| Deed reference | liber 49971, folio 0404 |
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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 31% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 13% 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 160802761311
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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