20529 Riggs Hill Way, Brookeville — tax account 160803225365
Single-family house built in 2000, 3,060 ft² on 25.89 acres in Brookeville, Montgomery County, assessed at $883,500; last transfer May 13, 2026 for $1,405,000.
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 | 160803225365 |
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| Map, grid, parcel | Map JU12 · Lot 10 |
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| Location | 20529 Riggs Hill Way, Brookeville MD 20833 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Olney Outside Residences 3 |
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| Plat | 20714 |
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Land
| Land use | Agricultural (A) |
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| Zoning | RC |
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| Acreage | 25.890 acres (1,127,768 ft²) |
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Structure
| Year built | 2000 |
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| Above-grade area | 3,060 ft² |
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| Style | 2.5 Story No Basement |
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| Building type | Standard Unit |
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| Construction | Stone |
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| Quality grade | 6 (on a scale of 1 to 9) |
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Assessment — October 2023
| Land | $244,400 |
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| Improvements | $639,100 |
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| Total | $883,500 |
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Last transfer
| Date | May 13, 2026 |
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| Consideration | $1,405,000 |
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| Deed reference | liber 67643, folio 0315 |
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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 120% above the median agricultural account in Montgomery County ($400,700, 1,872 accounts).
- The last transfer price is 59% 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 160803225365
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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