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County Administrator's Office

Sonoma County Cannabis Program

Cannabis Business Taxes

The Sonoma County Cannabis Business Tax Measure A passed on March 7, 2017. Businesses engaged in the commercial cannabis industry within the unincorporated areas of Sonoma County are required to pay taxes (these were effective July 1, 2017). 

For fiscal year 2024-2025, commercial cannabis tax payments are due on the following dates:

Commercial Cannabis Cultivation Taxes (Except Outdoor):

Installment Quarter Due Date
1st Installment July 1 - September 30 October 31
2nd Installment October 1 - December 30 January 31
3rd Installment January 1 - March 31 April 30
4th Installment April 1 - June 30  July 31

Outdoor Cannabis Cultivation Taxes:

Installment Due Date
1st Installment January 31
2nd Installment April 30

Commercial Cannabis Supply Chain Operations Taxes:

Installment Quarter Due Date
1st Installment July 1 - September 30 October 31
2nd Installment October 1 - December 30 January 31
3rd Installment January 1 - March 31 April 30
4th Installment April 1 - June 30  July 31

View All Tax Rates

Cannabis Business Tax Phone: (707) 565-7420

Email: CannabisTax@sonoma-county.org