15020 Rocking Spring Dr, Rockville — tax account 160800751390
Single-family house built in 1970, 2,148 ft² on 0.39 acres in Rockville, Montgomery County, assessed at $710,900; last transfer June 4, 2026 for $850,000.
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 | 160800751390 |
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| Map, grid, parcel | Map HS12 · Block 7 Lot 20 |
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| Location | 15020 Rocking Spring Dr, Rockville MD 20853 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Manor Lake |
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Land
| Land use | Residential (R) |
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| Zoning | R200 |
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| Acreage | 0.387 acres (16,858 ft²) |
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Structure
| Year built | 1970 |
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| Above-grade area | 2,148 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 — January 2026
| Land | $325,500 |
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| Improvements | $385,400 |
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| Total | $710,900 |
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Last transfer
| Date | June 4, 2026 |
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| Consideration | $850,000 |
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| Deed reference | liber 27775, folio 0335 |
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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 14% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 20% 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 160800751390
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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