About US
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Fault Line Plumbing, Inc. was established as a plumbing contractor in 1997; we have since expanded into the fields of boilers and fire sprinklers. We provide new construction plumbing & fire sprinkler services throughout northern California, and our specialized mechanical division has earned a reputation for being the go-to group for all things steam & hydronic.

C4/C16/C36: 737079

Our company’s volume has grown organically over the past decades. Not one of our plumbers are subcontracted. Instead, we train our plumbers in-house, which allows us to maintain consistent, high-quality installations and repairs. We have developed a culture of safety, self-supervision, and satisfaction. We strive to provide consistent, top-quality work no matter how large or small the project may be.

Our mission
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To protect our community by providing top-quality sanitary disposal, potable water, protection from fire and resource-efficient heating to those in need, as well as mentoring our neighbors as apprentices and giving them the skills necessary to provide for themselves, their families and their own communities.