Registered plumber apprentices by county, open recruitment windows where the state publishes them, and how the apprentice tier fits Arizona's licence ladder. Updated nightly.
Arizona has 534 registered plumber apprentices in active status (fiscal year 2025, DOL RAPIDS), placed in 9 counties, 0.7 per 10,000 residents. That is 4.5 apprentices for every 100 employed plumbers in the state, the rate at which the trade is training its own replacements.
A free report on your market: what the trade pays, how that compares with nearby counties, and where your credential sits against the local licensed workforce. No account needed.
Registered plumber apprentices by county of the apprentice, largest first. Each county links to its plumbers market page.
| County | Apprentices | Share | Per 10k residents |
|---|---|---|---|
| Maricopa County | 412 | 77% | 0.9 |
| Pima County | 53 | 10% | 0.5 |
| Pinal County | 33 | 6% | 0.7 |
| Coconino County | 18 | 3% | 1.2 |
| Navajo County | 8 | 1% | 0.7 |
| Apache County | 5 | 1% | 0.8 |
| Yuma County | 3 | 1% | 0.1 |
| Cochise County | 1 | 0% | 0.1 |
| Santa Cruz County | 1 | 0% | 0.2 |
Source: DOL RAPIDS apprenticeship FY2025, active status, county-coded; as of December 31, 2025.
The Arizona register ATI reads carries no separate apprentice-tier credential for plumbers; its ladder for this trade starts at Journeyman (3,067 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 Arizona Registrar of Contractors (ROC) issues for this trade: C-37 Plumbing (commercial), CR-37 Plumbing (residential), L-37 Plumbing (dual). See how to get a plumber license in Arizona 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); licence tiers: Arizona register read September 16, 2026; population: U.S. Census 2023 estimates.
This page is a free snapshot of plumbers in Arizona. Track the same market every night and see which contractors just got licensed, added a trade, or dropped off, and pull the full record, with contact details, on any of them. Ask it anything, track what matters, and get the weekly intelligence email. Free trial, cancel anytime.