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​COSTARS Supplier Portal

Login to the Supplier Portal to perform COSTARS program activities, such as reporting sales, paying annual administrative fees, editing your organization's profile, searching for COSTARS Members detailed contact information, or reviewing contract terms and offerings. Follow the steps below to access the COSTARS Supplier Dashboard.

  1. Go to the Supplier Portal
  2. In the upper right-hand corner select Log On. Enter your User ID and Password. Do not change Supplier Portal Admin User ID and Password unless authorized to do so by your Administrator. Changing the Admin User ID and Password will not change your COSTARS supplier profile.
  3. Select the Bidder Tab at the top of the page.
  4. Select Enterprise Applications on the left side of the page.
  5. If a Security Warning pop-up box appears, select No or Show All Content.
  6. Select the COSTARS link at the top of the page to access the Vendor Dashboard.