Plumber apprenticeships in Ohio

Ohio has 1,174 registered plumber apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 67 counties, 1.0 per 10,000 residents. That is 7.0 apprentices for every 100 employed plumbers in the state, the rate at which the trade is training its own replacements.

Where the apprentices are

Registered plumber apprentices by county of the apprentice, largest first. Each county links to its plumbers market page.

Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.

The apprentice tier on the Ohio register

The Ohio register ATI reads carries no separate apprentice-tier credential for plumbers; its ladder for this trade starts at Journeyman (2,787 active records, read September 16, 2026). Registered apprentices in the county table above are counted from the federal apprenticeship system, not from the licence register.

Credential types the Ohio Construction Industry Licensing Board (OCILB), Ohio Department of Commerce, Division of Industrial Compliance issues for this trade: Plumbing Contractor (OCILB state licence, commercial work), Local journeyman/residential registration issued by the municipality or county. See how to get a plumber license in Ohio for hours, exams and renewal.

Common questions

How many registered plumber apprentices are there in Ohio?

1,174 in active status for fiscal year 2025, per DOL RAPIDS, placed in 67 Ohio counties.

Which Ohio county has the most plumber apprentices?

Franklin County, with 266 (23% of the state).

How strong is the plumber training pipeline in Ohio?

7.0 registered apprentices per 100 employed plumbers (BLS QCEW employment, OEWS occupation share).

Are any plumber apprenticeship programs in Ohio accepting applications now?

ATI tracks open recruitment windows only where a state labor department publishes an announcements feed; Ohio is not covered yet, so this page reports registered apprentices, not open programs.

Sources: registered apprentices: DOL RAPIDS apprenticeship FY2025, active status, as of December 31, 2025; employment: BLS QCEW construction x OEWS occupation share (estimate); licence tiers: Ohio register read September 16, 2026; population: U.S. Census 2023 estimates.

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