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CAL-STEAM was founded in 1935 and has operated for over seventy years.

Complete Plumbing And Mechanical Inventory

General Info

During the past 30 years, CAL-STEAM has grown from a single location in San Francisco to 14 locations throughout Northern California. Most recently, CAL-STEAM opened its 14th location to serve customer needs in the Concord area. Its combined covered warehouse capacity of over 300,000 sq. ft. gives CAL-STEAM the largest inventory of plumbing and mechanical products in the Bay Area.


CAL-STEAM has been carefully designed to better serve our customers with:

• A Complete Plumbing, Mechanical And Hydronic Inventory. All branches have a complete inventory and operate with a 98-100% fill rate. All branches receive daily replenishments from our 160,000 sq. ft. shipping hub in Hayward and distribution center in Stockton.

Outstanding Customer Service. Our employees are experienced professionals and take pride in servicing you quickly and efficiently. We offer same-day delivery service.

Fourteen Locations Strategically Located Throughout Northern California. These place our employees, Will-Call counters, inventory, and trucks in close proximity to your shop and jobsites. All branches are open 6:30am to 5:00pm.

Concord Location. With our newest location, CAL-STEAM is now able to locally serve our customers' needs in the Greater Concord/Pacheco Area.

Quotations Department. Our professional Quotations Department offers expertise in estimation services and has the capacity to stage jobs providing "just in time" job deliveries.

Commitment. CAL-STEAM has a long-term commitment to our customers as well as our industry. CAL-STEAM knows that time is money and our reputation over the years has been built on saving you both.






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Serving your local area.
English, Spanish



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