4300 Templeton Ln, Ellicott City — tax account 1403604314
Single-family house built in 2023, 4,756 ft² on 0.20 acres in Ellicott City, Howard County, assessed at $1,441,300; last transfer January 21, 2026 for $1,600,000.
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 | 1403604314 |
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| Map, grid, parcel | Map 23 Grid 10 Parcel 149 · Lot 364 |
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| Location | 4300 Templeton Ln, 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 | 0.201 acres (8,756 ft²) |
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Structure
| Year built | 2023 |
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| Above-grade area | 4,756 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 | $446,900 |
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| Improvements | $994,400 |
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| Total | $1,441,300 |
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Last transfer
| Date | January 21, 2026 |
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| Consideration | $1,600,000 |
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| Deed reference | liber 22489, folio 0204 |
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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 112% above the median residential account in Howard County ($681,000, 62,119 accounts).
- The last transfer price is 11% 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 1403604314
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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