Mark Costello is the owner of Eastside Grab Bars, a business dedicated to ensuring safety and independence for seniors in the King County area. With a distinguished career spanning several years with the US Small Business Administration in Seattle, Mark retired from Federal service in 2021, bringing a wealth of experience in leadership and service. His passion for helping others led him to establish a business focused on improving home safety for seniors, a cause close to his heart.

A proud member of Age Safe America, the largest aging-in-place advocacy organization in the United States, Mark holds the Aging in Place Home Safety Advisor designation, ensuring he is fully equipped to offer expert home safety consultations. His dedication to the senior community is further demonstrated through his volunteer work with Rebuilding Together Seattle, where he has helped with numerous grab bar installations across King County. Mark’s commitment to enhancing the quality of life for seniors and promoting safer living environments reflects his deep respect and admiration for those in the aging community.