San Bernardino County
Contractors in Ontario, CA by trade
California contractor licences in Ontario that are new, expiring soon or recently changed, grouped by trade. Each licence page shows status, contractor's bond, workers' comp and change history.
- General Building (67)
- Electrical (27)
- HVAC (Heating, Ventilating and Air-Conditioning) (12)
- Painting and Decorating (12)
- Plumbing (12)
- Concrete (8)
- General Engineering (8)
- Glazing (5)
- Roofing (5)
- Cabinet, Millwork and Finish Carpentry (4)
- Flooring and Floor Covering (4)
- Low Voltage Systems (4)
- Ornamental Metal (4)
- Swimming Pool (4)
- Synthetic Products (4)
- Ceramic and Mosaic Tile (4)
- Window Coverings (4)
- Building Moving and Demolition (3)
- Doors, Gates and Activating Devices (3)
- Landscaping (3)
- Masonry (3)
- Pool and Spa Maintenance (3)
- Sanitation System (3)
206 trade listings across 23 trades (a licence with several classes appears under each). Rasengan Data is a private service, not CSLB.