6018 Madawaska Rd, Bethesda — tax account 160700509646
Single-family house built in 2025, 4,134 ft² on 0.23 acres in Bethesda, Montgomery County, assessed at $3,189,500; last transfer October 20, 2025 for $3,350,000.
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 | 160700509646 |
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| Map, grid, parcel | Map GM56 · Block B27 Lot 11 |
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| Location | 6018 Madawaska Rd, Bethesda MD 20816 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Glen Echo Heights |
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Land
| Land use | Residential (R) |
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| Zoning | R90 |
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| Acreage | 0.234 acres (10,193 ft²) |
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Structure
| Year built | 2025 |
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| Above-grade area | 4,134 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 | 9 (on a scale of 1 to 9) |
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Assessment — January 2026
| Land | $680,200 |
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| Improvements | $2,509,300 |
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| Total | $3,189,500 |
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| Homestead qualification code | 1 |
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Last transfer
| Date | October 20, 2025 |
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| Consideration | $3,350,000 |
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| Deed reference | liber 67710, folio 0437 |
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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 412% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 5% 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 160700509646
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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