Business Details
31 Years
experience
Your Trusted Commercial Plumbing Partner in Simi Valley, CA
Sierra Commercial Plumbing has been a trusted name in commercial plumbing and mechanical contracting since 1995. Founded by Randy Jenkins in Simi Valley, CA, we've grown from a family-run operation to a thriving enterprise with union crews and a track record of over 1,000 completed projects. Our expertise spans mechanical and plumbing design, installation, and service, with a focus on cost-effective systems that enhance indoor environments.We maintain strong relationships with property owners through tailored maintenance programs and specialized services like waste water system revamps. As signatory members of District Council Sixteen and industry associations, we combine small-business values with corporate professionalism to deliver quality solutions for projects of all sizes.
Services
Plumbing
Wet Mechanical
Firestopping
Site Utilities Piping
Waste Water Service and Maintenance
Details
- Year established: 1995
Highlights and features
- We have over 25 years of experience in commercial plumbing systems.
- Our union-certified crews ensure precision installations and repairs.
- We've completed 1,000+ commercial projects across Southern California.
- We offer specialized waste water system maintenance and upgrades.
- We maintain industry-leading affiliations with plumbing associations.
What people say
Outstanding performance
Timely manner
Responsive to changes
Superior indoor environment
Exceptional job quality
Services
Plumbing
Sierra Commercial Plumbing provides comprehensive commercial plumbing services including system design, installation, and maintenance. Our expertise covers waste and vent systems, chemical waste treatment, and specialized piping for laboratories and industrial facilities. With over 25 years of experience, we deliver cost-effective solutions that ensure superior indoor environments while maintaining compliance with all regulatory standards.
Wet Mechanical
Our wet mechanical services specialize in hydronic piping systems for HVAC applications. We install and maintain boiler and chiller plants, steam piping, and temperature-controlled water systems. The team handles complex projects requiring precise engineering for heating hot water, chilled water, and specialized gas systems across commercial and industrial facilities.
Firestopping
Sierra Commercial Plumbing offers professional firestopping services for new and existing buildings. We implement UL and FM-approved systems to enhance fire safety in commercial, industrial, and high-rise structures. Our solutions include fire wall upgrades and code-compliant installations that maintain structural integrity while meeting modern safety standards.
Site Utilities Piping
We provide complete site utility piping from buildings to property lines. Our services include domestic water, sewer lines, natural gas, and storm drain systems. With expertise in concrete structures and drainage solutions, we serve as a one-stop contractor for utility infrastructure projects requiring precise installation and long-term reliability.
Waste Water Service and Maintenance
Our waste water division offers installation and maintenance for Advantex treatment systems across Southern California. We provide monthly inspections, telemetry monitoring, and repair services for residential and commercial systems. The team specializes in backflow prevention, grey water systems, and energy-efficient wastewater management solutions.
People
Randy Jenkins
President
With 33 years of industry experience, Randy Jenkins founded Sierra Commercial Plumbing in 1995. He grew the company from a family operation to a leading enterprise with union crews and 1,000+ completed projects. His leadership emphasizes quality craftsmanship and client relationships.
Questions
What commercial plumbing services do you offer?
We provide full-service commercial plumbing including system design, installation, and maintenance for waste water, hydronic piping, firestopping, and utility infrastructure projects.
How many years have you been in business?
Sierra Commercial Plumbing has operated since 1995, with over 25 years of experience serving commercial clients across Southern California.
Do you serve areas outside Simi Valley?
We primarily serve Southern California and the greater Los Angeles area, including commercial projects in industrial, high-rise, and assisted living facilities.
Are your technicians certified?
Our crews are union-certified through District Council Sixteen Plumbing and Pipe Fitters, ensuring compliance with industry standards and best practices.
What maintenance programs are available?
We offer customized maintenance programs for waste water systems, backflow prevention, and plumbing infrastructure with both scheduled and on-demand service options.
