We would advise that you not go to visitation without first seeking special permission from the warden's office. If you approach them first and explain your situation in the most humble manner, you have a 50/50 chance of getting to see him. If you explain after being turned down, your chances get worse.
https://www.inmateaid.com/ask-the-inmate/i-am-approved-to-visit-my-boyfreind-at-geo-san-diego-i-have-gone-to#answer
Accepted Answer Date Created: August 20,2016