Welcome to our first 100 years

1904: W.L. Hickey (founder) stands
in doorway with boller hat

1917: First plumbing shop on Linden Avenue,
South San Francisco
1921: Interior of plumbing shop in South San Francisco
1944: W.L. Hickey with sons William and James
1946: Lomita Park shop (now part of San Bruno)

1952: Jim Hickey stands in front of Lomita Park shop

WLHS installs the plumbing for the 1960 Olympic Village
and sports facilities in Squaw Valley, CA
1986: WLHS installs the plumbing for the
Bayside Village complex (600 units for Forest City)
the new first apartment complex to be built in the
SOMA area of San Francisco, CA
2000: WLHS installs the plumbing for the new
Applied Materials $600 million new etch facility in Sunnyvale, CA
2001: WLHS is chosen to be the lead plumbing contractor
for the new Santana Row Complex in San Jose, CA
2004: WLHS celebrates its 100 year anniversary
at the Santa Clara Convention Center

2018: New facility at 930 E California Ave, Sunnyvale CA

W.L. Hickey Sons

W.L. Hickey Sons is well into its 2nd 100 years of installing plumbing systems in the San Francisco Bay Area. As a union signatory plumbing contractor, it prides itself on being able to operate in both the high-density residential along with the commercial plumbing projects. The company likes to team with its owners and general contractors in the design build process.

Using CAD (2D) and BIM (3D) software it seeks to minimize field related construction issues by eliminating them during the design process. Once this design is coordinated, it delivers it to the field via the use of Trimble robotic layout equipment. Its commitment to quality, integrity and exemplary customer service distinguishes it as a leading San Francisco Bay Area plumbing contractor.

Featured Projects

Take a look at some of our most recent projects in cities around the San Francisco Bay Area

Learn More


The W.L. Hickey team comes to your project with over 170 years of plumbing installation knowledge.

Learn More

Our Process

We pride ourselves on the ability to provide the owner and general contractor with a comprehensive plumbing solution.

Learn More

Company History

Now that you’ve seen the slide show, take a moment to see a more in depth look at our history. Always a favorite!

Learn More