
When safety, quality, and performance matter most, compromise isn’t an option. As one of Southern California’s leading mechanical contractors, we deliver custom solutions for life science, healthcare, higher education, advanced technology facilities, and more. Proven expertise. Real results.
From conceptual design to integrated project delivery, our open-book approach covers every detail clearly and accurately.
We design HVAC, plumbing, process, and control systems with accuracy—ensuring energy efficiency, code compliance, sustainability provisions, and controlled budgets.
Precision begins in our advanced pre-fabrication shop, controlling cost, schedule, and quality. Lower risk, higher efficiency, and a safer work environment.
We build more than systems—we build confidence. From ground-up builds, to tenant improvements and replacements, we deliver the right scale, scope, and team.
Your facility must run smoothly, always. From HVAC and plumbing to automated controls, we handle repairs, retrofits, and replacements seamlessly.
"Working with Pac Rim is seamless. Their integrity, craftsmanship, and teamwork set the standard for quality and safety on every job."
"Pac Rim’s proactive leadership and seamless coordination make them an invaluable trade partner. They bring sophistication and positivity to every project."
"Pacific Rim Mechanical is a trusted partner. Their collaboration, expertise, and commitment to quality make them essential to delivering complex, high-performance projects."
"Pacific Rim Mechanical is a trusted partner with exceptional leadership and customer service. Their design-assist expertise and consistent results make them a go-to contractor for complex life sciences projects"
"Pac Rim handles every challenge with professionalism and focus, always driving toward solutions. They bring big-project expertise with small-firm attention, and I trust them to exceed expectations every time."
"Pac Rim combines expertise with creativity and clear communication. They tackle challenges head-on and make complex projects enjoyable to build."
"Pacific Rim Mechanical is a reliable, transparent, and innovative partner. Their collaborative approach, attention to detail, and value-driven solutions make them a standout mechanical and plumbing contractor."
"Pacific Rim Mechanical has been a trusted partner for decades. Their transparency, integrity, and long-game mindset set them apart. In every project, they bring collaboration, expertise, and genuine partnership."
“Pacific Rim Mechanical is a trusted partner. Their collaboration, expertise, and commitment to quality make them essential to delivering complex, high-performance projects.”
Pac Rim delivers precision and reliability. Their high-quality systems and integrity-driven work keep our facilities compliant and projects on schedule.




