- Home
- Jobs
- Union jobs in Charleston, SC
- UA Local 421
UA Local 421 jobs in Charleston, SC
Hall: Charleston, SC · Plumbers & Pipefitters
Direct-hire plumbers & pipefitters openings around Charleston, SC that a UA Local 421 member can work, with the local's published journeyman scale and apprentice steps below.
UA Local 421 pay scale
Journeyman base wage $36.00/hr ($50.19/hr total package with fringes) effective 2024-07-01 — roughly $72,000 a year at full-time hours. Rates change each CBA cycle; confirm with the hall before relying on them.
OfficialVerified from an official source — taken from the local's own wage sheet, its agreement, or a U.S. Department of Labor wage determination. Source: U.S. DOL Davis-Bacon Wage Determination SC20260023(opens in a new tab) — external resource: U.S. DOL Davis-Bacon Wage Determination SC20260023, opens in a new tab, effective Jul 1, 2024(opens in a new tab) — external resource: U.S. DOL Davis-Bacon Wage Determination SC20260023, effective Jul 1, 2024, opens in a new tab. Moderate confidence (checked Oct 5, 2026). Reference data only — not a Gulfstream Strategic Placements offer, quote, or guarantee of pay. How we source this— How we collect wage references, opens an explanation panel
Local 421 apprentice pay scale
A Local 421 apprentice in Charleston, SC starts at roughly $16.20 an hour — about 45% of the $36.00 journeyman scale — and steps up each period, reaching around $27.00 an hour by the fourth year and full scale on turning out. These are the standard percentage steps of scale, not a wage sheet Local 421 has published; confirm the exact schedule with the JATC.
| Period | Share of scale | Hourly | Annualized |
|---|---|---|---|
| 1st period (year 1) | 45% of scale | $16.20 / hour | $32,400 |
| 2nd period (year 2) | 55% of scale | $19.80 / hour | $39,600 |
| 3rd period (year 3) | 65% of scale | $23.40 / hour | $46,800 |
| 4th period (year 4) | 75% of scale | $27.00 / hour | $54,000 |
| 5th period (year 5) | 85% of scale | $30.60 / hour | $61,200 |
| Journeyman (turned out) | 100% of scale | $36.00 / hour | $72,000 |
Standard percentage steps applied to the journeyman rate effective 2024-07-01 — some programs run four periods rather than five, and fringe contributions differ by period. Apprenticeship applications go through the local's JATC, not through Gulfstream. See national union wage research.