About Us

Mountain State Inspections LLC is a family-owned business that was started in 1994 by Mark Bonar. Mark was born and raised in Wheeling and still considers the region home, taking great pride in our status as one of the only local radon contractors in the area. We view our customers as our neighbors, and sometimes they literally are, and always aim to leave them satisfied and safe.

Since our start in 1994 we’ve made it our life’s work to make the region safe from radon contamination and have consistently exceeded expectations. Mark has performed over 6,500 home, radon inspections and mitigations throughout both West Virginia and Ohio since our start in 1994. It’s no surprise then that we have Certified Master Inspector Status, from the Home Inspector Board, and a reputation for excellence and reliability.