9441 Holbrook Ln, Potomac — tax account 161001506774
Single-family house built in 1975, 2,412 ft² on 0.35 acres in Potomac, Montgomery County, assessed at $1,076,600; last transfer November 20, 2025 for $1,149,900.
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 | 161001506774 |
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| Map, grid, parcel | Map FP34 · Block 2 Lot 26 |
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| Location | 9441 Holbrook Ln, Potomac MD 20854 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Timberwood of Potomac |
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Land
| Land use | Residential (R) |
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| Zoning | R200 |
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| Acreage | 0.352 acres (15,333 ft²) |
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Structure
| Year built | 1975 |
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| Above-grade area | 2,412 ft² |
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| Style | 1.5 Story With Basement |
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| Building type | Standard Unit |
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| Construction | Frame |
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| Quality grade | 5 (on a scale of 1 to 9) |
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Assessment — January 2026
| Land | $480,300 |
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| Improvements | $596,300 |
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| Total | $1,076,600 |
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Last transfer
| Date | November 20, 2025 |
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| Consideration | $1,149,900 |
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| Deed reference | liber 18214, folio 0495 |
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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 73% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 7% above the current assessment.
- Built before 1978: Maryland requires rental units built before 1978 to be registered with MDE and to pass a lead-risk reduction inspection.
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 161001506774
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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