Welcome to
UA Local 343

We are a Proud, Strong,
Reliable, and Experienced Union.

About Us

FAST RELIABLE
SERVICE
24/7
Support
EMERGENCY
SERVICES

Training
Center

Proper and Uniformed Training,
For Mechanical and Technical Knowledge.

Learn More

FAST RELIABLE
SERVICE
24/7
Support
EMERGENCY
SERVICES

Signatory
Contractors

The Right Person
For the Right job!

Find Us!

FAST RELIABLE
SERVICE
24/7
Support
EMERGENCY
SERVICES

Benefits
Office

Actice? Retired?
Manage Your Experienced Union.

About Us

FAST RELIABLE
SERVICE
24/7
Support
EMERGENCY
SERVICES

ABOUT US

We have over 110 years experience in Plumbing and Steamfitting.

Our workforce takes pride in partnering with our signatory contractors to deliver sophisticated piping systems to the end user which are important to the infrastructure of our community.

Need Help

Our Contractors are
Ready to Work for You

Need the right person for the job? Check out our ever expanding list of Signatory Contractors. Local 343 is extremely proud to be a productive member of the Solano and Napa County business community. Since its inception, we've taken an active role and will continue to play an even bigger role as Northern California continues to grow into one the best places in the United States to Work, Live and Play!

Call Now For a Consultation

1.707.644.4071

Working Hours

Mon-Thurs 7:30am - 5:00pm
Friday 8:00am - 12:00 Noon
Saturday Closed Sunday Closed

Location

220 Peabody Rd,
Vacaville, CA 95687

CONTRACTOR HELP?

Looking for the Right Contractor? Contact Us!

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Training Services

What We Offer

No other organization serves the training needs of the piping industry like the United Association. For over a century, the UA has been training the most highly-qualified workers in the United States and Canada.

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