San Joaquin County
Purchasing & Support Services
Become a Vendor

San Joaquin County uses an online bid management system called Public Purchase. Register with Public Purchase if you want to do business with the County.

Register as a Vendor
Register as a Contractor

We invite all interested California licensed contractors to submit their company for inclusion on the County's Informal Bidding Contractors List.

Register as a Contractor
Sign Up for Surplus

County property such as furniture and equipment may be available for non-profit organizations and the public to purchase, when deemed as surplus.

See Surplus Details
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.