4509 Picton Ct, Ellicott City — tax account 1403604278
Single-family house built in 2025, 3,680 ft² on 0.18 acres in Ellicott City, Howard County, assessed at $1,239,000; last transfer October 30, 2025 for $1,222,320.
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 | 1403604278 |
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| Map, grid, parcel | Map 23 Grid 10 Parcel 149 · Lot 328 |
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| Location | 4509 Picton Ct, Ellicott City MD 21042 |
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| Jurisdiction | Howard County |
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| Subdivision | Westmount [HOA] |
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Land
| Land use | Residential (R) |
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| Acreage | 0.179 acres (7,797 ft²) |
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Structure
| Year built | 2025 |
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| Above-grade area | 3,680 ft² |
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| Style | 2 Story With Basement |
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| Building type | Standard Unit |
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| Construction | Brick |
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| Quality grade | 5 (on a scale of 1 to 9) |
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Assessment — January 2025
| Land | $442,600 |
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| Improvements | $796,400 |
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| Total | $1,239,000 |
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| Homestead qualification code | 1 |
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Last transfer
| Date | October 30, 2025 |
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| Consideration | $1,222,320 |
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| Deed reference | liber 22821, folio 0277 |
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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 82% above the median residential account in Howard County ($681,000, 62,119 accounts).
- The last transfer price is 1% 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 1403604278
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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