Set Your Home or Business Up With a Reliable Septic System

Turn to us for septic installation services in Sebastopol, Santa Rosa, CA and surrounding areas

Get a reliable septic system from the start with help from Santiago General Engineering. We provide comprehensive septic installation services around Sebastopol and Santa Rosa, CA. Not only can we dig out the earth for your septic tank and sewer lines, but we can also make sure everything is laid and set up properly.


Make us your first call for residential and commercial septic system solutions.

Trust our process

You don't want to cut corners on your septic system, so turn to Santiago General Engineering for comprehensive septic installation services.

We’ll handle…


  • Digging out space for your septic tank
  • Trenching your sewer line system
  • Setting up your leech field


We can even provide repairs if a pipe bursts or your tank breaks. Speak with someone from our team today to learn more about our septic system solutions.

  • A septic tank is being built in a hole in the ground.

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  • A man is measuring a concrete block with a tape measure

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  • A septic system is being installed in a dirt field.

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