Most business licenses can be renewed online. Renewal notices are mailed out during December for the following calendar year. On the renewal notices, there is a unique PIN # which you will need in order to complete your renewal online. Please contact the City of Sonoma's Finance Department should you have any questions or concerns about this process. Notes:If there has been a change in ownership or physical address, please submit a paper application rather than renewing online. Forms are available on our websiteThe primary Standard Industrial Classification (SIC) Code applicable to a business must be identified on the business license renewal form pursuant to California Business and Professions Code §16000.3. An excellent resource for identifying the primary SIC Code applicable to a business is available online at:
In rare instances, a renewing business may also be required to demonstrate enrollment with the National Pollutant Discharge Elimination System (NPDES) permit program by providing a Waste Discharger Identification number (WDID), a "notice of nonapplicability identification number" (NONA), or a "no exposure" certification number (NEC) issued for the facility by the State Water Resources Control Board.