InsiderReal Estate Chestnut Ridge Apartments sells to out-of-state investors for $9.7M By Julia-Claire Evans - July 1, 2021 (Google maps image of Chestnut Ridge Apartments in Baton Rouge) FacebookXLinkedinEmailPrint The Chestnut Ridge Apartments, located on Coy Avenue, was sold to Colorado-based Monarch Investment and Management Group and Iowa-based TRH Investments LLC for $9.7 million in a deal filed Wednesday. Already an INSIDER? Sign in.