419 E Diamond Ave, Gaithersburg — tax account 160902662534
Industrial built in 1986, 10,017 ft² on 0.47 acres in Gaithersburg, Montgomery County, assessed at $1,757,100; last transfer February 4, 2026 for $2,300,000.
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 | 160902662534 |
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| Map, grid, parcel | Map FT56 Parcel N055 · Lot 2 |
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| Location | 419 E Diamond Ave, Gaithersburg MD 20877 |
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| Jurisdiction | Montgomery County |
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| Subdivision | Gaithersburg Town |
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Land
| Land use | Industrial (I) |
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| Zoning | CBD |
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| Acreage | 0.471 acres (20,517 ft²) |
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Structure
| Year built | 1986 |
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| Above-grade area | 10,017 ft² |
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| Style | AUTO Service Garage |
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| Building type | Service Garage |
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| Quality grade | 6 (on a scale of 1 to 9) |
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| Stories | 1 |
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Assessment — September 2023
| Land | $305,100 |
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| Improvements | $1,452,000 |
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| Total | $1,757,100 |
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Last transfer
| Date | February 4, 2026 |
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| Consideration | $2,300,000 |
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| Deed reference | liber 59122, folio 0041 |
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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 15% below the median industrial account in Montgomery County ($2,063,200, 1,342 accounts).
- The last transfer price is 31% above 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 160902662534
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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