LOS ANGELES COUNTY
VENDOR RELATIONS
The Vendor Relations Unit within ISD provides comprehensive support to vendors throughout the registration and re-registration process. The unit is also responsible for ongoing vendor account maintenance, which includes processing updates to vendor profiles such as changes to remit-to or payment addresses, legal business names, and other related information.
1100 N. Eastern Avenue, 1st Floor
Los Angeles, CA 90063
Office Hours:
Monday-Thursday
8:00 am – 5:00 pm PST
Phone: 323-267-2725
Fax: 323-415-8521





