UA Local 250 · Los Angeles, CA
UA Local 250 covers Los Angeles County — one of the largest plumbing apprenticeship pipelines in the western U.S.
We don't claim to know what's on the UA Local 250 test beyond what they've published themselves. This page documents what we found on their public website. Always verify directly with your JATC.
UA Local 250 does not publicly describe their aptitude test format on their website at the time of our research. Applicants should verify directly at https://www.ua250.org/.
Local 250 directs steamfitter/pipefitter applicants to Long Beach City College's Math Success Center for free tutoring to prep for the apprenticeship math test.
Open source →Research notes: Local 250 uniquely partners with a community college (LBCC) to offer free math tutoring to pipefitter applicants rather than publishing its own study guide.
Our study library covers the skill areas UA aptitude tests commonly assess — Reading Comprehension, Figure Visualization, Mechanical Abilities, and Math — with worked examples and practice drills built for pencil-and-paper, no-calculator conditions. We don't claim our library perfectly matches UA Local 250's specific format. What we can say: if your test covers any of the core skill areas, we've got material on it.
Research date: 2026-04-15. Always verify directly with your JATC — locals update their requirements.