UA Local 343 – Vallejo, CA

The Plumbers and Steamfitters of Local 343 work on projects of all shapes and sizes. We can be found working on Bio-Pharmaceutical facilities, refineries, wineries, public work projects such as fire stations, police stations, schools, waste and water treatment facilities. We can also be found working on homes and small businesses.


Address: Plumbers and Pipefitters Local Union No. 343
401 Nebraska Street
Vallejo, CA 94590

Phone: 707-644-4071