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San Joaquin County
Purchasing & Support Services

Vendor Registration

You must register with Public Purchase if you are interested in becoming a vendor for San Joaquin County. Public Purchase is a quick, easy, and free eProcurement system that connects you with government agencies through bid notifications. 

Registration is a two-part process:

  1. Register with the Public Purchase. Your account will be activated within 24 hours (Monday through Friday). 
  2. Register with San Joaquin County through Public Purchase after your account is activated.

Public Purchase offers a step-by-step Vendor Registration help page to walk you through the process. Be sure to select the appropriate National Institute of Government Purchasing (NIGP) Commodity Code(s) related to your business. 

Register Now

Note: San Joaquin County's Public Works department uses Bid Express to manage and deliver construction procurement solicitations. Find out more about the Public Works registration process.

San Joaquin County will only pay or accept materials, supplies, and equipment deliveries or services when a valid purchase order or signed agreement is on file. See General Terms & Conditions.