About W.E. O'Neil

W.E. O’Neil is a nationally ranked builder with offices in Los Angeles, Ontario, San Diego Chicago, Denver, Nashville, and Arizona. We deliver full-service construction support services to private and public institutions across a diverse spectrum of construction delivery methods.

Since its inception over 36-years ago, W.E. O’Neil Construction Company of California has been providing quality construction services. Our foundation is rooted in the quality of our people and commitment to quality, integrity and responsiveness to our client’s needs. With the ability to manage projects of virtually any size, W.E. O’Neil provides a reliable management team, cost-saving initiatives, and time management capabilities to your project team. Our experience allows the client to, in effect, retain an in-house construction management team, while remaining in the driver’s seat at all times. Acting on behalf of the client, W.E. O’Neil becomes the Owner’s agent-liaison and project point of control. It is our goal to become an integral partner of your team in achieving a successful project.