For Deuel Vocational Institution, you should send your visitation form to the mailing address, not the physical address.
Visitation form mailing address:
P.O. Box 400
Tracy, CA 95378-0004
Important tips:
If you want to confirm or speed things up:
Visiting hours (once approved):
Best advice:
Wait for confirmation that you are approved before making the trip. Showing up without approval is the most common reason visitors get turned away.