Simplify workplace posting requirements with an updated Petaluma Labor Law Poster 2026. Petaluma maintains a local minimum wage ordinance in addition to California and applicable federal employment requirements. Beginning January 1, 2026, the Petaluma minimum wage is $18.31 per hour. Covered employees who work at least two hours in a workweek within Petaluma are subject to the local minimum wage requirements, making an up-to-date local notice an important workplace resource.