Cities › San Francisco, CA › Services & Business

Malcolm Plumbing & Mechanical

Plumbing

Malcolm Plumbing & Mechanical is your number one plumber in San Francisco, CA. With over 35 years of experience, trust Malcolm Plumbing & Mechanical to get the job done right!

Hours

• Mon, Tue, Wed, Thu, Fri: 7:30 AM – 3 PM

Services

• Annual Certification Handled From Application to Sign Off
• Boiler Permit Support We Provide
• Areas We Serve
• See Our Boiler Work
• Paperwork Off Your Desk, Boiler In Service
• Sewer stoppages and replacement
• Hydro Jetting of sewers
• Fixture repair and replacement
• Backflow testing, repair and replacement
• Sewage Ejector installation, service and repair
• Earthquake gas valve installation
• Water heater repair and replacement
• Permit to Operate for Boilers
• Boiler install, troubleshoot and service
• Tracing and repairing general water leaks
• General Plumbing service
• 24 Hour Emergency services
• Reliable Lift for Every Fixture Below the Main
• Sewage Ejector Services We Provide
• See Our Sewage Ejector Work
• Basement Plumbing That Stays Where It Belongs
• Steady Heat From a System That Stops Surprising You
• Explore Our Boiler Installation and Repair Services
• Warmth That Holds Through a Cold Snap
• The Everyday Repairs That Keep a Building Running
• General Plumbing Services We Provide
• See Our Plumbing Work

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Sources: BrightQuery (CDLA-Permissive-2.0); business website read 2026-10-14. About our data.