2129 Countryside Dr, Silver Spring — tax account 160500386488
Single-family house built in 1971, 2,451 ft² on 0.62 acres in Silver Spring, Montgomery County, assessed at $700,100; last transfer January 9, 2026 for $660,000.
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 | 160500386488 |
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| Map, grid, parcel | Map KR34 · Block F Lot 5 |
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| Location | 2129 Countryside Dr, Silver Spring MD 20905 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Countryside |
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Land
| Land use | Residential (R) |
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| Zoning | R200 |
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| Acreage | 0.620 acres (27,007 ft²) |
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Structure
| Year built | 1971 |
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| Above-grade area | 2,451 ft² |
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| Style | 2 Story No Basement |
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| Building type | Split Level |
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| Construction | Frame |
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| Quality grade | 4 (on a scale of 1 to 9) |
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Assessment — October 2023
| Land | $241,800 |
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| Improvements | $458,300 |
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| Total | $700,100 |
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Last transfer
| Date | January 9, 2026 |
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| Consideration | $660,000 |
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| Deed reference | liber 35186, folio 0442 |
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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 12% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 6% below 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 160500386488
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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