478 Mountain Rd, Crownsville — tax account 020241390075268
Single-family house built in 1994, 2,784 ft² on 0.60 acres in Crownsville, Anne Arundel County, assessed at $787,500; last transfer April 14, 2026 for $775,000.
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 | 020241390075268 |
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| Map, grid, parcel | Map 38 Grid 4 Parcel 367 · Lot 2 |
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| Location | 478 Mountain Rd, Crownsville MD 21032 |
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| Jurisdiction | Anne Arundel County |
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| Subdivision | Herald Harbor |
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Land
| Land use | Residential (R) |
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| Zoning | R5 |
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| Acreage | 0.601 acres (26,180 ft²) |
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Structure
| Year built | 1994 |
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| Above-grade area | 2,784 ft² |
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| Style | 2 Story With Basement |
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| Building type | Standard Unit |
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| Construction | Siding |
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| Quality grade | 4 (on a scale of 1 to 9) |
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Assessment — November 2025
| Land | $317,500 |
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| Improvements | $470,000 |
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| Total | $787,500 |
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Last transfer
| Date | April 14, 2026 |
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| Consideration | $775,000 |
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| Deed reference | liber 38472, folio 0223 |
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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 73% above the median residential account in Anne Arundel County ($454,400, 175,949 accounts).
- The last transfer price is 2% 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 020241390075268
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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