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Human Resources Department

Liability & Insurance

Supplier Insurance Certificates

Effective 5/1/2018, all businesses or entities doing business with the County of Sonoma will be required to submit the appropriate insurance documentation, as required by contract, directly into the County's electronic insurance portal.

Suppliers – Upload Insurance Documents

Suppliers, please Upload Insurance Documents, as required by your contract. Thank you for doing business with the County of Sonoma.

Departments – Retrieve Insurance Documents

For OnBase technical support or reference materials, please contact Jim McKenney, Information Systems Project Manager, at (707) 565-8203 or email him at