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About us

Santiago General Engineering (SGE) is a family owned and operated company providing more than fifteen years of experience in the industry. We are passionate about our business and our clients. Our goal is to build successful long-term relationships with our clients. Expertise in Engineering Contracting includes grading, paving, excavating and underground utilities. We are here to help with any of your site-work needs.


Sonoma County native and owner, Dario Santiago, is passionate about what he does.

We are licensed and insured in the State of California. Call Santiago General Engineering with any questions about our availability, or if you would like to schedule an estimate.

Licensed and Insured Lic # 1071209.