Circling back to this, it is like I was blind or something. This happened because owncloud made it into the EPEL. It says it right there in my screenshot.
I just installed a new CentSO system and wanted to see what it tried now.
[root@bna-nc ~]# yum install owncloud Loaded plugins: fastestmirror epel/x86_64/metalink | 12 kB 00:00:00 epel | 4.3 kB 00:00:00 (1/3): epel/x86_64/group_gz | 170 kB 00:00:00 (2/3): epel/x86_64/updateinfo | 751 kB 00:00:00 (3/3): epel/x86_64/primary_db | 4.6 MB 00:00:00 Loading mirror speeds from cached hostfile * base: centos.mirrors.tds.net * epel: mirror.oss.ou.edu * extras: ftpmirror.your.org * updates: bay.uchicago.edu Resolving Dependencies --> Running transaction check ---> Package owncloud.noarch 0:9.1.4-1.el7 will be installed