13628 Penn Shop Rd, Mount Airy — tax account 1118402688
Single-family house built in 2019, 2,234 ft² on 1.48 acres in Mount Airy, Frederick County, assessed at $726,100; last transfer June 15, 2026 for $836,000.
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 | 1118402688 |
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| Map, grid, parcel | Map 99 Grid 1 Parcel 3 · Lot 1 |
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| Location | 13628 Penn Shop Rd, Mount Airy MD 21771 |
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| Jurisdiction | Frederick County |
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Land
| Land use | Residential (R) |
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| Acreage | 1.480 acres (64,469 ft²) |
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Structure
| Year built | 2019 |
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| Above-grade area | 2,234 ft² |
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| Style | 1 Story With Basement |
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| Building type | Standard Unit |
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| Construction | Frame |
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| Quality grade | 5 (on a scale of 1 to 9) |
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Assessment — October 2024
| Land | $164,300 |
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| Improvements | $561,800 |
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| Total | $726,100 |
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Last transfer
| Date | June 15, 2026 |
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| Consideration | $836,000 |
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| Deed reference | liber 13066, folio 0116 |
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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 52% above the median residential account in Frederick County ($477,300, 67,390 accounts).
- The last transfer price is 15% 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 1118402688
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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