Registered sheet metal worker apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits Delaware's licence ladder. Updated nightly.
Delaware has 55 registered sheet metal worker apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 3 counties, 0.5 per 10,000 residents. That is 14.9 apprentices for every 100 employed sheet metal workers in the state, the rate at which the trade is training its own replacements.
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Registered sheet metal worker apprentices by county of the apprentice, largest first. Each county links to its sheet metal workers market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| New Castle County | 45 | 82% | 0.8 |
| Kent County | 7 | 13% | 0.4 |
| Sussex County | 3 | 5% | 0.1 |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
Credential types the No dedicated Delaware sheet metal worker licence. Sheet metal work is regulated through the state's mechanical/HVAC licensing where it applies: Delaware Board of Plumbing, Heating, Ventilation, Air Conditioning and Refrigeration Examiners, Division of Professional Regulation, Delaware Department of State. issues for this trade: Delaware mechanical/HVAC credential covering ductwork and sheet metal, Registered apprenticeship (USDOL or joint apprenticeship committee). See how to get a sheet metal worker license in Delaware for hours, exams and renewal.
Sources: registered apprentices: DOL RAPIDS apprenticeship FY2025, active status, as of December 31, 2025; employment: BLS QCEW construction x OEWS occupation share (estimate); population: U.S. Census 2023 estimates.
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