Licensed Contractors in Boulder, California

Boulder has 4 licensed contractors registered with the California Contractors State License Board across 3 trade classifications. The most common specialties are Painting and Decorating Contractor (1), Warm-Air Heating, Ventilating and Air-Conditioning (HVAC) Contractor (1). 2 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.