Keep your workplace postings current with the 2026 Petaluma Labor Law Poster from Best Labor Law Posters. Designed for businesses with employees working within Petaluma city limits, this poster helps employers maintain applicable Petaluma, California state, and federal workplace notices. Petaluma’s local minimum wage is $18.31 per hour effective January 1, 2026. The local ordinance applies to employees who perform at least two hours of work in a workweek within the city.