Make labor law posting easier with a Petaluma Labor Law Poster covering applicable local, California state, and federal workplace notices. Petaluma adjusts its local minimum wage annually, and the 2026 rate is $18.31 per hour effective January 1, 2026. If California’s statewide minimum wage is higher than the Petaluma rate, the higher state minimum wage applies. California’s general minimum wage for 2026 is $16.90 per hour, while certain industries may have different statewide requirements.