C-20 · Castro Valley, Alameda County
HVAC (Heating, Ventilating and Air-Conditioning) contractors in Castro Valley, CA
3 California hvac (heating, ventilating and air-conditioning) (C-20) licences in Castro Valley that were issued in the last six months, expire within 90 days, or had a bond, workers' comp or status change recently. All are currently active. Click a licence for its bond, workers' comp and change history.
| Business | Licence | Status | Issued | Expires | Note |
|---|---|---|---|---|---|
| California Builders | 988161 | Active | Nov 1, 2013 | Nov 30, 2027 | Reinstated |
| M1 Mechanical Corp | 1129897 | Active | Dec 3, 2024 | Dec 31, 2026 | Expiring soon |
| Sigma HVAC & Electric INC | 1128583 | Active | Nov 1, 2024 | Nov 30, 2026 | Expiring soon |
A C-20 licence covers heating, ventilation and air-conditioning (HVAC) systems.
Other trades in Castro Valley
- General Building (50)
- Electrical (12)
- Landscaping (7)
- Plumbing (5)
- Painting and Decorating (4)
- Flooring and Floor Covering (3)
Rasengan Data is a private service, not CSLB. Built from CSLB's public licence master file; confirm any licence free at cslb.ca.gov before hiring.