Welcome to UA Local Union No. 343

Published on Monday, October 5, 2020

Special Call Meeting to be held on October 14, 2020 at 220 Peabody Road, Vacaville, CA at 6:00 P.M. We will adhere to 6 foot social distancing, and face coverings MUST be worn properly to attend.

There will be a limited attendance in the meeting hall to achieve the social distance requirements, and any overflow seating will be in the social patio area if needed. 


Proudly Serving Napa and Solano Counties

The Leadership and Members of UA Local 343 would like to welcome you to our website where you can find a great deal of information about us. 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.

The Plumbers and Steamfitters of Local 343 are vital to many industries throughout Solano and Napa County and it’s because of our highly skilled  workforce. We are over 600 members strong and  growing. We are always looking for the best and brightest that the U A Local 343 Joint Apprenticeship   and Training Committee have to offer. You can visit the Training and or Apprenticeship pages to learn more about skilled and training that our members receive for this is what truly separates us from everyone else.

We encourage you learn more About Us, we hope that you enjoy your time on our site, and finally, we welcome all Feedback.

God Bless America!