C-20 · San Ramon, Contra Costa County
HVAC (Heating, Ventilating and Air-Conditioning) contractors in San Ramon, CA
3 California hvac (heating, ventilating and air-conditioning) (C-20) licences in San Ramon 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 |
|---|---|---|---|---|---|
| Arastek LLC | 1145252 | Active | Oct 21, 2025 | Oct 31, 2027 | Reinstated |
| Eco Systems Heating & Air | 924909 | Active | Nov 17, 2008 | Nov 30, 2026 | Expiring soon |
| One Hour Heating & Air Conditioning | 1160719 | Active | Sep 9, 2026 | Sep 30, 2028 | New licence |
A C-20 licence covers heating, ventilation and air-conditioning (HVAC) systems.
Other trades in San Ramon
- General Building (21)
- Electrical (7)
- Plumbing (4)
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.