Local Taxes & Fees in Sonoma, CA (2026)
1 verified local taxes & fees rules for Sonoma, California, sourced directly from the municipal code and official government pages.
Verified from official government sources
Business Tax Classification
Every business operating inside the City of Sonoma must pay an annual license tax under one of five classifications, A through E, set by Chapter 5.08 of the Sonoma Municipal Code. Retail sellers, service providers, professionals, contractors and wholesalers or manufacturers are each taxed on a different schedule tied mainly to employee count.
Sonoma Business License Tax Classes
Some RestrictionsSonoma Municipal Code §§ 5.08.010, 5.08.020
Every person who engages in business within the city shall pay a license tax at the rates as set out in SMC 5.08.020 through 5.08.060. ... Every business engaged in selling to the general public, at retail in the city, goods, wares, merchandise or commodities, including restaurants and other food dispensers, unless otherwise provided for in Chapters 5.04 and 5.08 SMC, shall pay an annual licens...
Looking for Sonoma County county-wide rules?
County ordinances apply to unincorporated areas and may supplement Sonoma city rules.
Local Taxes & Fees in Sonoma County →