Welcome to UA Local 421

The Leadership and Members of UA Local 421 would like to Welcome you the official Website of United Association Local Union 421 Plumbers, Pipefitters, Welders and HVAC-R Service Techs.

Local 421 was chartered October 1, 1997 by The United Association of Journeymen and Apprentices of the Plumbing and Pipefitting Industry of the United States and Canada through the consolidation of 5 different Locals in North and South Carolina. Local 421 is headquartered in Charleston, South Carolina and has satellite offices in Raleigh and Charlotte, North Carolina with training centers in each of our 3 locations. We continue to grow with a membership of approximately 1400 that includes approximately 100 Lead Burners represented throughout the United States.

Top News

Check for the latest top stories in UA Local 421 news, business, politics and events.

Training - Please Contact us or give us a call (704) 721-0517

UA Local 421 offers opportunities for classes and training for members of the United Association. The JATC is always accepting resumes for Instructors in all Crafts as well as OSHA Instructors.

Need A Contractor?

Protect and Service Your Greatest Investment with Reliable and Skilled Professionals. Plumbing and Pipefitting for all of your Service, Maintenance and Construction Needs.

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Our Affiliations

Local 421 is extremely proud to be a productive member of Carolinas business community. Proud Plumbers and Pipefitters.