644 Symphony Woods Dr, Silver Spring — tax account 160502089913
Single-family house built in 1986, 2,128 ft² on 0.40 acres in Silver Spring, Montgomery County, assessed at $706,600; last transfer April 6, 2026 for $716,000.
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 | 160502089913 |
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| Map, grid, parcel | Map JQ56 · Block B Lot 66 |
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| Location | 644 Symphony Woods Dr, Silver Spring MD 20901 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Dumont Oaks |
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Land
| Land use | Residential (R) |
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| Zoning | R90 |
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| Acreage | 0.395 acres (17,206 ft²) |
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Structure
| Year built | 1986 |
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| Above-grade area | 2,128 ft² |
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| Style | 2 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 — October 2023
| Land | $236,200 |
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| Improvements | $470,400 |
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| Total | $706,600 |
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Last transfer
| Date | April 6, 2026 |
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| Consideration | $716,000 |
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| Deed reference | liber 60789, folio 0004 |
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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 13% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 1% 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 160502089913
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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