Diamond Real Estate Group, Inc. logo
(859) 559-2534
Diamond Real Estate Group, Inc. logo
Diamond Real Estate Group, Inc. logo
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John Costner
Sales Associate
License #301079
M:(626) 695-8974
E: johncostner8803@gmail.com

John Costner

John Costner was licensed in the state of California in 2021. Guided by the efforts of Broker, Cynthia Trgo, John, and his wife fell in love with the Bluegrass and made the move in 2022. After seeing firsthand how much a great agent can change the homebuying experience, John is dedicated to helping others achieve their goal of homeownership in Kentucky.