Mesa County Jail (second location), Grand Junction, Colorado 1920 1960 White Avenue between 5th and 6th Streets Grand Junction Mesa Colorado 81501 USA https://sheriff.mesacounty.us/divisions/detentions/detention-facility-history/ History of the Mesa County Detention Facility The second Mesa County Jail was located on White Avenue between 5th and 6th Streets. According to the website of the Mesa County Sheriff's Department, the jail stood behind the old Mesa County Courthouse. yes yes