Local Union
No: 104

Fast Links

For more cost cutting measures and energy savings on your heating and cooling needs, see more information on our 2008 REBATE program.

The 2008 Schedule of Events & Holidays.


View the campaign that we've launched with the Bay Area Sheet Metal and Air Conditioning National Association (SMACNA)—
Standards Set/Standards Met!


Are you in a state-registered apprenticeship with a non-union company? If so, your wage determination can be found at the website for the California Apprenticeship Council.


View examples of Local Union No. 104 workmanship.

Welcome to Local 104

Celebrating Over 105 Years of History
1903 ~ 2008

Chartered in 1903, Sheet Metal Workers' Local Union No. 104 remains dedicated to extending the benefits and solidarity of our trade union to all of those working in sheet metal throughout Northern California.

On our website, you will find information that describes our work, and information that will help you contact Local 104 if you are thinking of joining our union. You will also find contact information on our apprenticeship program.