18709 Ashbourne Pl, Olney — tax account 160803613610
Single-family house built in 2012, 3,990 ft² on 0.36 acres in Olney, Montgomery County, assessed at $1,137,900; last transfer January 14, 2026 for $1,050,000.
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 | 160803613610 |
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| Map, grid, parcel | Map HU12 · Block B Lot 32 |
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| Location | 18709 Ashbourne Pl, Olney MD 20832 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Reserve at Fair Hill |
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| Plat | 23672 |
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Land
| Land use | Residential (R) |
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| Zoning | RNC |
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| Acreage | 0.360 acres (15,682 ft²) |
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Structure
| Year built | 2012 |
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| Above-grade area | 3,990 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 2026
| Land | $292,500 |
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| Improvements | $845,400 |
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| Total | $1,137,900 |
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Last transfer
| Date | January 14, 2026 |
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| Consideration | $1,050,000 |
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| Deed reference | liber 44644, folio 0214 |
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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 83% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 8% below 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 160803613610
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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