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King County


Pierce County

Septic Systems



Septic Tank Installation & Repair • Operations & Maintenance • Inspection

Raw sewage is not something you want to mess around with. However, if your septic tank is not properly installed or maintained, you could have clogs that back up sewage to your house, or leak onto your property.

Don Olson Construction specializes in Septic Tank management. For more than three decades, we have been installing, repairing, maintaining and inspecting septic tanks so owners never have to deal with sewage problems.


Whether you need a septic tank installed for new construction, or you are changing the septic system of your existing building, our team can safely install your septic tank.


Have a leak or septic tank problem? Our team will assess the trouble and repair it before your small problem becomes a serious concern.

Operations & Maintenance

Like anything, septic tanks must be maintained on a regular basis. Depending on your unit and manufacturer specifications, it may require periodic work to lengthen the life of the unit and ensure smooth operations.


Septic tanks typically need to be inspected when a home is sold and on a periodic basis as required by the department of health. Don Olson Construction can perform those inspections. If work is required, we can recommend the most effective and efficient route to solving your septic tank concerns.