A Diversified excavation, utility, street, golf course and site development company, Cornelius Oregon.

Ken Leahy Construction, Inc.

We deal with all sizes of projects including full site development that require erosion control, clearing, grubbing, stripping, earthwork, cement soil stabilization, storm water detention facilities, bio swales, underground utilities (storm sewer, sanitary sewer, water distribution and franchise utilities), sanitary sewer lift stations and force mains.


We offer effective ideas and practical solutions that will inspire creativity and confidence in your next project. Additional services unique to us is we provide in house cement amending of onsite soils, 3-D modeling, GPS & Robotic Machine Control and GPS & Robotic Survey & Layout, which does not leave us waiting on subcontractors to perform these scopes. These abilities allow us to make critical in-field coordinated design adjustments to ensure productivity and minimize costly delays or downtime.