Team

Mark Tapert is the CEO and Owner of Corstone Contractors LLC. He focuses on creating value for Corstone's construction clients, while motivating our team of highly skilled experts.

Mark brings a wealth of knowledge from 30+ years of experience in the construction industry, including years on-site, in management and ultimately in an ownership capacity. His experience and leadership skills are dedicated to overseeing Corstone's business development efforts and growing Corstone as a company that provides exceptional service, high value and consistent performance to repeat customers.

Mark is a member of CEO International and is also involved in a national construction peer group. When he's not leading our team, you can find him traveling with his family, or participating in just about any outdoor activity.

Erin VerHoeven is the CFO and Owner of Corstone Contractors LLC. She manages a wide variety of elements for Corstone, including marketing efforts, office operations (HR, Finance/Accounting, Admin, etc.), contracts/legal and customer service.

Erin is involved in a range of organizations outside of Corstone. She currently sits on the Board of Directors and is the incoming President for the Snohomish Education Foundation. She also believes in advocating for the rights of free enterprise via the Associated Builders and Contractors and interaction with legislators.

Erin holds a B.A. in communication and media studies from Whitworth University. When she's not working hard in the office, she's traveling around the world with her husband and two sons or spending time at her family's ranch near Lewiston, Id.