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Welcome

Olin Sitz Excavation, proudly serving Central Oregon by providing the highest quality of service and craftsmanship for many aspects of your project. Our depth of knowledge and experience, solidifies our belief that customer service stands as the highest priority. We eagerly look forward to working with you and making your vision a reality. Give us a call, text or email today and let us get started!

 

Quality.  Consistency. Dependability.


 
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Services

- General Excavation

- Residential Site Prep

- Land Clearing

- Infrastructure Installation: Sewer and Water Systems, Electrical and other Conduit, 

- Septic Installation and Repair

- Rock Retaining Wall Construction

- Road Installation, Maintenance and Paving Preparation

- Snow Removal

- Hard Rock Removal (Hammering)

- Building Demolition - including haul-away and recycling as needed.

 
 
 
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About

Olin Sitz - Owner

Olin was raised on a ranch in Drewsey, Oregon, and learned the value of hard work at an early age. He attended Crane High School, a public boarding school for kids in rural southeastern Oregon. After high school Olin attended a year of community college and then completed formal training in heavy equipment operations.

Prior to starting Olin Sitz Excavation LLC in 2018, Olin worked for Robinson and Owen Heavy Construction in Sisters, Oregon for over 15 years. Olin has over 20 years of excavation experience in residential, commercial and municipal settings.


Griffin Coffman

Griffin is a lifelong Central Oregonian, graduating from Summit High School in 2015. After high school Griffin worked on a crabbing boat in Alaska and then entered the excavation trade. Griffin is dedicated to ensuring that projects are completed to meet the customers needs.

 
 

We hired Olin to dig a new drain field on our property this last winter, and both Olin and Griffin went above and beyond our expectations. They are skilled operators, with an attention to detail. They kept the worksite clean, while leaving the area better than when they came. Olin has amazing precision, and was able to dig the drain field trenches under our privacy fence without needing to remove any fence panels. My husband and I highly recommend Olin Sitz Excavation.
— Chris & Amy Grissom