18700 Olney Mill Rd, Olney — tax account 160803256663
Single-family house built in 2000, 3,076 ft² on 0.47 acres in Olney, Montgomery County, assessed at $980,100; last transfer January 21, 2026 for $1,013,200.
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 | 160803256663 |
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| Map, grid, parcel | Map HU34 · Block 6 Lot 20 |
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| Location | 18700 Olney Mill Rd, Olney MD 20832 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Oatland Farm |
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| Plat | 21033 |
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Land
| Land use | Residential (R) |
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| Zoning | RE1 |
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| Acreage | 0.470 acres (20,473 ft²) |
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Structure
| Year built | 2000 |
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| Above-grade area | 3,076 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 | $306,300 |
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| Improvements | $673,800 |
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| Total | $980,100 |
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Last transfer
| Date | January 21, 2026 |
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| Consideration | $1,013,200 |
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| Deed reference | liber 29489, folio 0208 |
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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 57% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 3% 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 160803256663
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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