12300 Twinbrook Pkwy, Rockville — tax account 160402369862
Commercial built in 1985, 169,189 ft² on 1.81 acres in Rockville, Montgomery County, assessed at $18,939,800; last transfer March 24, 2026 for $8,200,000.
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 | 160402369862 |
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| Map, grid, parcel | Map GQ56 · Block 8 Lot 20 |
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| Location | 12300 Twinbrook Pkwy, Rockville MD 20852 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Rockville Town A-Z |
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| Plat | 14645 |
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Land
| Land use | Commercial (C) |
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| Zoning | MXTD |
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| Acreage | 1.806 acres (78,669 ft²) |
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Structure
| Year built | 1985 |
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| Above-grade area | 169,189 ft² |
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| Style | OFFICE Office Building |
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| Building type | OFFICE Office Building |
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| Construction | Brick Common |
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| Quality grade | 4 (on a scale of 1 to 9) |
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| Stories | 9 |
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Assessment — September 2023
| Land | $3,678,300 |
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| Improvements | $15,261,500 |
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| Total | $18,939,800 |
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Last transfer
| Date | March 24, 2026 |
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| Consideration | $8,200,000 |
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| Deed reference | liber 51782, folio 0144 |
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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 1169% above the median commercial account in Montgomery County ($1,492,550, 3,736 accounts).
- The last transfer price is 57% below 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 160402369862
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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