Looking for a current San Mateo County Labor Law Poster for your California workplace? The 2026 San Mateo County Labor Law Poster helps employers address the County’s local minimum wage posting requirement. Effective January 1, 2026, the San Mateo County minimum wage is $17.95 per hour for covered employees working in the County’s unincorporated areas. The official notice provides important information about the minimum wage, employee rights, retaliation protections, and where to obtain assistance. Employers are required to post the notice where workers can easily read it. Order a San Mateo County labor law poster from Best Labor Law Posters to help keep required local workplace information organized and accessible.