520 Isaac Russell St, New Market — tax account 1109589274
Single-family house built in 2017, 2,377 ft² on 0.61 acres in New Market, Frederick County, assessed at $747,200; last transfer May 5, 2026 for $910,000.
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 | 1109589274 |
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| Map, grid, parcel | Map 79I Grid 8 Parcel 3844 · Lot 80 |
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| Location | 520 Isaac Russell St, New Market MD 21774 |
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| Jurisdiction | Frederick County |
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Land
| Land use | Residential (R) |
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| Acreage | 0.613 acres (26,702 ft²) |
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Structure
| Year built | 2017 |
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| Above-grade area | 2,377 ft² |
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| Style | 1 Story With Basement |
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| Building type | Standard Unit |
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| Construction | Siding |
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| Quality grade | 5 (on a scale of 1 to 9) |
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Assessment — October 2024
| Land | $223,300 |
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| Improvements | $523,900 |
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| Total | $747,200 |
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| Homestead qualification code | 1 |
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Last transfer
| Date | May 5, 2026 |
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| Consideration | $910,000 |
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| Deed reference | liber 12191, folio 0305 |
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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 57% above the median residential account in Frederick County ($477,300, 67,390 accounts).
- The last transfer price is 22% 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 1109589274
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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