12 Wall St, Rockville — tax account 160400145370
Single-family house built in 1917, 2,460 ft² on 0.39 acres in Rockville, Montgomery County, assessed at $766,400; last transfer June 12, 2026 for $1,375,000.
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 | 160400145370 |
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| Map, grid, parcel | Map GR12 Parcel N342 · Lot P20 |
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| Location | 12 Wall St, Rockville MD 20850 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Rockville Residences 1 [TH] |
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Land
| Land use | Residential (R) |
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| Zoning | R90 |
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| Acreage | 0.386 acres (16,814 ft²) |
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Structure
| Year built | 1917 |
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| Above-grade area | 2,460 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 | 6 (on a scale of 1 to 9) |
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Assessment — October 2024
| Land | $380,300 |
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| Improvements | $386,100 |
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| Total | $766,400 |
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Last transfer
| Date | June 12, 2026 |
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| Consideration | $1,375,000 |
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| Deed reference | liber 32231, folio 0249 |
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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 23% above the median residential account in Montgomery County ($623,400, 248,486 accounts).
- The last transfer price is 79% 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 160400145370
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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