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

Complete Plumbing And Mechanical Inventory

Business Description

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.
  • Honeywell
  • Mirabelle
  • FNW Valve
  • Monogram Brass
Payment method
amex, master card, visa
Serving your local area.
English, Spanish



Plumbing Fixtures, Parts & Supplies, Plumbing Fixtures Parts & Supplies-Wholesale & Manufacturers, Pipe Fittings, Valves, Water Heaters, Water Heaters-Wholesale & Manufacturers, Bathroom Fixtures, Cabinets & Accessories, Bathroom Fixtures, Cabinets & Accessories-Wholesale & Manufacturers, Gaskets, Bath Equipment & Supplies


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