Sanco Pipelines, Inc. was founded in 1956 as a General Engineering Contractor that specializes in underground construction. Headquartered in Los Gatos, California, our range of service covers the greater Bay Area with operations extending from King City to Santa Rosa, as well as the San Joaquin Valley and greater Sacramento areas.

We hold a State of California General Engineering, Class A and C42, Contractors License and is signatory to both the Operating Engineers and Laborers’ Unions. We also are an active member of the National Underground Contractors Association (NUCA) and in Northern California, a founding member of the Engineering and Utility Contractors Association (EUCA), now known as United Contractors.

Our engineering contractors work on projects as either a subcontractor or a general contractor. Private projects are obtained through negotiation and competitive bidding. Public works jobs are sourced through publications and public entity approved bid lists.