203 Nelson St, Rockville — tax account 160400232774
Single-family house built in 1968, 1,853 ft² on 0.21 acres in Rockville, Montgomery County, assessed at $697,100; last transfer August 4, 2025 for $839,000.
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 | 160400232774 |
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| Map, grid, parcel | Map GR12 · Block 21 Lot 77 |
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| Location | 203 Nelson St, Rockville MD 20850 |
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| Jurisdiction | Montgomery County |
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| Subdivision | West End Park |
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Land
| Land use | Residential (R) |
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| Zoning | R60 |
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| Acreage | 0.210 acres (9,148 ft²) |
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Structure
| Year built | 1968 |
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| Above-grade area | 1,853 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 | 4 (on a scale of 1 to 9) |
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Assessment — August 2024
| Land | $382,200 |
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| Improvements | $314,900 |
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| Total | $697,100 |
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| Homestead qualification code | 1 |
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Last transfer
| Date | August 4, 2025 |
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| Consideration | $839,000 |
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| Deed reference | liber 66840, folio 0406 |
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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 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 160400232774
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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