Sprinkler Fitters Local 483

Sprinkler Fitters Local 483 is a union trade organization representing licensed sprinkler fitters and apprentices serving the San Francisco Bay Area for over 75 years. They provide new installations, retrofits, maintenance, inspection, testing, and service of commercial and residential fire sprinkler systems throughout the region. The organization maintains a directory of professional fire protection contractors and operates a state-of-the-art training center for sprinkler fitting apprentices and continuing education, ensuring all work meets California State Fire Marshal and National Fire Protection Association standards.