Tax Return Information

A fillable PDF tax return form for retail operations for fiscal year 2026-2027 is included below. If you are unable to complete this form, please contact the Auditor-Controller-Treasurer-Tax Collector's cannabis tax unit at CannabisTax@sonomacounty.gov or by phone at (707) 565-7420.

Instructions for these forms are provided as text and as a downloadable PDF in the section below.

Tax Return for Retail Operations  (PDF: 1.9 MB)

If you need to complete a previous year's cannabis tax return, please contact the ACTTC cannabis tax unit using the contact information above.

• Please fill out all cells with a green border. All other cells are self-populating. Fill out the form ELECTRONICALLY, print and sign.
• Please use the gross receipts forms for the period you are paying (quarterly/monthly).
• Either mail form with payment or bring the completed and signed form with your payment.

Permit or Cannabis Business License Numbers

The permit number of cannabis business license number is also your cannabis business tax identification number. The number(s) that have been assigned to you and your business come in the format of "UPCXX-XXXX" or "CBLXX-XXXX". These numbers represent the use permit application number or cannabis business license application number assigned to your business activity by Permit Sonoma or the County Executive's Office.

Payment and Payment Dates

Date Paid is the date the Tax Collector received the payment.

• If paying by cash, it is the date money is physically received by the Tax Collector.
• If paying by mail, use the due date.
• Please allow plenty of time for the post office to deliver. Depending on how the U.S. Postal Service routes your mail it can take more than 5 business days for them to deliver your payment to our office.
• In the event payment is received at the Tax Collector’s office after the due date, penalties and interest will be assessed.

The amount due is: “Total Tax, Penalties, & Interest Due”.

In the event you will be paying your taxes by cash:

• Please bring exact change.
• The Tax Collector is required to retain any counterfeit currency.
  
  • Counterfeit currency will not be applied to your tax bill.
  • Bills will be tracked by the Tax Collector, and if they are deemed authentic by our bank, the corresponding amount will be refunded to you. All other bills are confiscated by the bank and destroyed. The Tax Collector does not receive credit for them.
• Please bring additional currency to cover any unanticipated short fall.

Submitting Your Return

Please remember to sign and date your form. Forms without a signature are not considered complete and will not be accepted. In the event this causes your payment to be delayed past the due date, penalties and interest will be assessed.