Licensed Contractors in Williamsville, California

Williamsville has 4 licensed contractors registered with the California Contractors State License Board across 3 trade classifications. The most common specialties are Synthetic Products (2), Concrete Related Services (1). 1 contractors hold general contractor licenses (Class A or B).

All license data is sourced from the California Contractors State License Board (CSLB). Last data update: February 20, 2026.