Mike Diamond Plumbing & HVAC, The Smell Good Plumber, is your trusted name for plumbing, heating, air conditioning, and electrical services in California. Since 1976, our expert team has proudly served Los Angeles, Orange County, and nearby areas like Glendale, Pasadena, and Long Beach with fast, professional help — 24/7.

From drain cleaning and sewer line repairs to tankless water heater maintenance, furnace tune-ups, and emergency electrical troubleshooting, we handle it all. Our licensed technicians arrive clean, fully equipped, and ready to tackle the job, no matter how urgent.

When your water heater leaks, your AC stops cooling, or a pipe bursts in the middle of the night, you can count on us. With transparent pricing, same-day response, and friendly service, it’s no wonder homeowners call us the Smell Good Plumber.