San Mateo County Labor Law Poster | 2026 Updated Compliance by bestlaborlawposters Published: February 10, 2026 (1 month ago) Category Legal Link San Mateo County Labor Law Poster | 2026 Updated Compliance Stay compliant in 2026 with the San Mateo County Labor Law Poster from Best Labor Law Posters. This poster includes all required county labor law notices in English and Spanish, printed in full color and laminated for durability.