Cal Coast is now a Bonney Company

Cal Coast Makes It Easy


We provide commercial & residential plumbing services; from fixing leaks & water heaters to faucet & toilet repairs.

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Heating & Air

Our NATE certified technicians are available to install, repair & service your Furnace, AC or Heat Pump.

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Drain & Sewer

Whether you have a clogged sink or sewer line, our skilled plumbers will get the drain working again.

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Water Quality

For your family’s health, don’t settle for anything less than Cal Coast high quality water solutions.

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About Us »

Cal Coast is your local Pleasanton & Tri-Valley plumbing, heating, air conditioning and sewer & drain company. We do it all, from trenchless sewer replacement & tankless water heaters to HVAC & drain cleaning. The Cal Coast team is Diamond Certified and works hard to provide professional, reliable and affordable services for our residential and commercial customers.