We Dig What You’re Planning

Ask about our custom trenching services in Sebastopol, Santa Rosa, CA and surrounding areas

When it comes time to manage your plumbing and utility lines, hire none other than Santiago General Engineering. We provide expert trenching services around Sebastopol and Santa Rosa, CA. We’re licensed to handle both city and county encroachments, so we can connect you to all essential utilities. 


Schedule an assessment today for sewer trenching services.

Get connected

Santiago General Engineering can navigate underground utility projects seamlessly. 

Our trenching services are designed to minimize disruption for a smooth process from start to finish. Rely on us for…



  • Water line trenching

  • Sewer and septic trenching
  • Storm drain trenching


We pride ourselves on our safety-first approach, protecting both our team and your property. With us, you’ll get a seamless experience that exceeds your expectations and provides a solid foundation for your utilities.


Reach out now for underground utility and sewer services.

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