Sierra Commercial Plumbing Inc., established in 1995, is a full service commercial plumbing and mechanical contractor. Our ex ... pertise encompasses many facets of mechanical and plumbing design, installation and service. A properly installed plumbing system can significantly reduce costs while providing a superior indoor environment. Sierra provides exceptional job, quality and performance. With over 33 years experience in the industry, Randy Jenkins is the owner and founder of Sierra Commercial Plumbing. Starting the business from his Simi Valley, CA home, Randy has grown the small, family run operation into what it is today- a thriving corporate enterprise employing a large management staff with union plumbing and mechanical crews who have completed over 1000 commercial projects to date. Our mission is to provide a quality product with outstanding service to every client on every project. Through our commitment to Sierra Commercial Plumbing's Circle of Services, the quality of our working relationships and our continued repeat business, Sierra Commercial Plumbing has maintained and exceeded this for well over a decade. With this in mind, you can feel confident that with our commitment to quality and years of experience, along with the diversity and complexity of projects we have successfully completed, Sierra Commercial Plumbing is the right choice for your next project, large or small. read more