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Business Details
50+ Years
experience
Trusted Plumbing Contractors in Martinez, CA
Plumbers & Steamfitters Local 159 was chartered into the United Association on April 3rd, 1915, in Martinez, California. For over a century, we have maintained our headquarters in Martinez, offering a union hiring hall, Journeyman and Apprentice Training facility, and assembly hall. With more than 500 members and over 100 union contractors, we specialize in providing skilled plumbers, steamfitters, HVAC refrigeration technicians, and service plumbers across Contra Costa County and beyond. Our workforce is trained through a rigorous 5-year apprenticeship program requiring 8,000 hours of on-the-job training and 1,124 hours of classroom education, ensuring top-tier expertise. We emphasize continuing education to keep journeymen updated on industry trends and changes.

Our members are committed to delivering sophisticated piping systems, from underground installations to final fixture connections, with precision and reliability. We partner with signatory contractors to ensure projects are completed on time and within budget, adhering to the highest standards of quality. Our contributions to community development projects, such as hospitals, public libraries, and infrastructure, reflect our dedication to excellence. The United Association-certified Joint Apprenticeship Training Program guarantees a workforce among the best trained globally. We pride ourselves on maintaining a legacy of skilled craftsmanship and unwavering commitment to customer satisfaction.
Services
Plumbing Steamfitting HVAC Refrigeration Service Plumbing Apprenticeship Training
Details
  • Year established: 1915
Highlights and features
  • We offer a 5-year apprenticeship with 8,000+ hours of on-the-job training.
  • Our journeymen receive ongoing education to stay updated on industry trends.
  • We partner with signatory contractors to ensure project reliability and quality.
  • Our workforce is among the best trained globally, per United Association standards.
  • We guarantee timely, budget-conscious project completion for all clients.
Associations and certifications
  • United Association
What people say
Skilled workforce Reliable service Quality training On-time delivery Community-focused
Services
Plumbing
Our plumbers install and maintain sophisticated piping systems for residential, commercial, and industrial projects. From underground installations to fixture connections, we ensure precision and durability. Our team adheres to the highest industry standards, guaranteeing reliable solutions for water supply, drainage, and gas lines.
Steamfitting
Steamfitters specialize in high-pressure piping systems for industrial and commercial facilities. We handle steam, chemicals, and hazardous materials with strict safety protocols. Our expertise ensures efficient thermal systems for manufacturing plants, power stations, and large-scale HVAC applications.
HVAC Refrigeration
HVAC refrigeration technicians design and maintain climate control systems for residential and commercial buildings. We focus on energy efficiency and compliance with environmental regulations. Our services include installation, repair, and maintenance of heating, ventilation, and air conditioning systems.
Service Plumbing
Service plumbers address urgent plumbing issues like leaks, clogs, and pipe bursts. We prioritize rapid response to minimize property damage. Our technicians use advanced tools to diagnose and resolve problems efficiently, ensuring minimal disruption for homeowners and businesses.
Apprenticeship Training
Our Joint Apprenticeship Training Program offers 5 years of hands-on and classroom education. Apprentices complete 8,000+ hours of on-the-job training and 1,124 hours of classroom instruction. Graduates become certified journeymen, equipped with skills in modern plumbing techniques and safety standards.
Questions
What services does Plumbers and Steamfitters Local 159 offer?
We provide plumbing, steamfitting, HVAC refrigeration, service plumbing, and apprenticeship training.
How can I hire a union contractor?
Search our local directory to find a qualified contractor for your project.
Are your members certified?
Yes, all members graduate from our United Association-certified apprenticeship program.
What areas do you serve?
We primarily serve Contra Costa County and the San Francisco Bay Area.
Do you offer continuing education?
Yes, we provide ongoing training to keep journeymen updated on industry trends.