HVAC contractors in CASTRO VALLEY, CA
13 listingsSource: California CSLB license records. Last verified 2026-08-31.
There are 13 hvac contractors in CASTRO VALLEY, California with a current state license as of 2026-08-31. The earliest license expiry among them is 2026-10-31; every listing shows its own number and expiry date. All are drawn from the California CSLB register; expired and inactive licenses are excluded.
| Business | License | Type | Expires | City | Zip | |
|---|---|---|---|---|---|---|
| 4-SEASONS HEATING & AIR CONDITIONING | 962971 | C-20 | 2028-05-31 | CASTRO VALLEY | 94546 | Set up workspace |
| AFFORDABLE HEATING AND AIR CONDITIONING | 909632 | C-20 | 2028-01-31 | CASTRO VALLEY | 94546 | Set up workspace |
| B A MORRISON | 603913 | B, C-20 | 2026-10-31 | CASTRO VALLEY | 94546 | Set up workspace |
| CHENG'S MECHANICAL CONTRACTOR | 1036153 | C-20 | 2028-02-29 | CASTRO VALLEY | 94546 | Set up workspace |
| FRANK BONETTI PLUMBING INC | 251165 | C-4, C-20, C-34, C-36, C-42 | 2028-05-31 | CASTRO VALLEY | 94546 | Set up workspace |
| JOHN MC DONAGH BUILDERS AND ENERGY SYSTEMS | 422946 | B, C-4, C-10, C-27, C-33, C-36, C-38, C-43, HAZ | 2028-05-31 | CASTRO VALLEY | 94546 | Set up workspace |
| M1 MECHANICAL CORP | 1129897 | C-20 | 2026-12-31 | CASTRO VALLEY | 94546 | Set up workspace |
| SAYAGE REFRIGERATION CO | 818952 | C-38 | 2027-04-30 | CASTRO VALLEY | 94552 | Set up workspace |
| SIGMA HVAC & ELECTRIC INC | 1128583 | B, C-10, C-20 | 2026-11-30 | CASTRO VALLEY | 94546 | Set up workspace |
| SPECIALIZED HEATING & AIR CONDITIONING | 741785 | C-20 | 2027-10-31 | CASTRO VALLEY | 94552 | Set up workspace |
| TOP ONE EQUIPMENT CARE | 1040710 | C-38, D34 | 2028-06-30 | CASTRO VALLEY | 94552 | Set up workspace |
| TRITON HVAC & APPLIANCE REPAIR | 1138925 | C-20 | 2027-06-30 | CASTRO VALLEY | 94546 | Set up workspace |
| VARIOUS ENERGY | 1145723 | A, B, C-10, C-20 | 2027-10-31 | CASTRO VALLEY | 94546 | Set up workspace |
Quick answers
- How many hvac contractors are in CASTRO VALLEY?
- 13 with a current California license, as of 2026-08-31.
- How do I check a license is current?
- Every listing shows its state license number and expiry. Verify any of them directly against the California CSLB licensee database.