Union mechanical hiring — San Antonio

UA plumbers and pipefitters, HVAC service fitters and SMART sheet metal workers in San Antonio, TX.

For contractors: submit a union hiring request

Plumbers, pipefitters, HVAC service fitters, sheet metal workers, foremen and project leadership in San Antonio, TX. The dedicated contractor form captures contact name, company, work email, phone, project city, trade, role, number of openings, hiring timeline, self-reported local and agreement, and project scope. Your company stays confidential. Contact permission covers your requested reply only, not marketing. Confirmation requires a saved hiring inquiry and notification acceptance. Recruiting remains separate from hall dispatch.

Submit a Union Hiring Request in San Antonio

For tradespeople: current mechanical openings

Active postings at these locations: San Antonio, TX. Each opening links to its own application.

Browse jobs in San Antonio

UA and SMART halls seated in San Antonio

• SMART Local 67 — Sheet Metal Workers, directory location: San Antonio, TX. SHEET METAL WORKER (HVAC DUCT INSTALLATION ONLY): $34.10/hr base, effective 07/01/2025. Official pay source.
• UA Local 142 — Plumbers & Pipefitters, directory location: San Antonio, TX. PLUMBER (EXCLUDES HVAC PIPE INSTALLATION): $38.97/hr base, effective 07/02/2025. Official pay source.

Compare Rates — union rates, crew labor cost and city pay gap

Metro base-wage gaps

Official hall base wages versus BLS May 2025 occupation medians for all employers, union and non-union. Hall-reference metros are not project jurisdiction; separate Bay Area metros are not averaged.

• SMART Local 67 — SHEET METAL WORKER (HVAC DUCT INSTALLATION ONLY), effective 07/01/2025: $34.10/hr base versus $27.59/hr median in San Antonio-New Braunfels, TX (Sheet Metal Workers). Gap: $6.51/hr (23.6%). Official rate source · BLS source.
• UA Local 142 — PLUMBER (EXCLUDES HVAC PIPE INSTALLATION), effective 07/02/2025: $38.97/hr base versus $27.97/hr median in San Antonio-New Braunfels, TX (Plumbers, Pipefitters, and Steamfitters). Gap: $11.00/hr (39.3%). Official rate source · BLS source.

Gulfstream is independent of every union. We recruit for union and merit-shop contractors; our recruiting is separate from hall dispatch, and a hall listing or posting here does not establish any contractor's signatory status. Membership, referral and dues rules are set by each local.

San Antonio plumbing union halls · San Antonio plumbing FAQ · San Antonio union hiring FAQ