Evidence storage facilities serve as a vital link in the chain of custody ensuring an unbroken and reliable path of custody, providing a secure environment and appropriate handling, testing and maintenance of all evidence. This session provides an overview of the standards, guidelines, and best facility design practices to receive, process and store evidence documenting available agencies and design resources. Following the overview, current and future trends in facility design will be presented and discussed including off-site storage solutions, pass-back lockers, electronic evidence storage and management, biological/DNA evidence, impact of marijuana legalization, hazardous materials, and fentanyl handling and storage. The session concludes with a review of the types of commercially available storage system solutions and the resources available for the design of your evidence storage facility.