Best Licensed HVAC Contractors in Antioch, CA
36 HVAC contractors registered in Antioch hold current CSLB licenses, verified against official records as of August 17, 2026. The 8 below are the top-ranked, ordered by years licensed.
How we chose: We identified 36 companies registered in Antioch. 36 passed license verification. The 8 below are the top-ranked of those. Our methodology
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- ✓ CSLB License #498289 - look up this number at CSLBInsured - INSURANCE COMPANY OF THE WESTBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1986
- Expires
- 2028-06-30
- Phone
- (888) 314-0451
- ✓ CSLB License #568095 - look up this number at CSLBInsured - NORGUARD INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1989
- Expires
- 2027-05-31
- Phone
- (925) 978-9632
- ✓ CSLB License #700564 - look up this number at CSLBInsured - ROCHDALE INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 1994
- Expires
- 2026-12-31
- Phone
- (661) 902-8768
- ✓ CSLB License #786063 - look up this number at CSLBInsured - AMERICAN CASUALTY COMPANY OF READING PABonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2000
- Expires
- 2028-05-31
- Phone
- (925) 682-0482
- ✓ CSLB License #809173 - look up this number at CSLBInsured - NORGUARD INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2002
- Expires
- 2028-06-30
- Phone
- (925) 382-5133
- ✓ CSLB License #810526 - look up this number at CSLBInsured - STATE COMPENSATION INSURANCE FUNDBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2002
- Expires
- 2028-07-31
- Phone
- (925) 755-0792
- ✓ CSLB License #813490 - look up this number at CSLBInsured - EMPLOYERS PREFERRED INSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2002
- Expires
- 2027-03-31
- Phone
- (925) 755-2665
- ✓ CSLB License #832874 - look up this number at CSLBInsured - EMPLOYERS ASSURANCE COMPANYBonded - $25,000
- Verified
- August 17, 2026
- Licensed since
- 2004
- Expires
- 2028-03-31
- Phone
- (925) 303-2125
Compare the top 6 at a glance
| Company | License | Workers' comp | Licensed since |
|---|---|---|---|
| Jb Mechanical Inc. DBA Mas Service | #498289 | On file | 1986 |
| Sensley's Refrigeration | #568095 | On file | 1989 |
| Integrity Air Conditioning And Heating | #700564 | On file | 1994 |
| N K Heating & Air Conditioning Inc. | #786063 | On file | 2000 |
| Jet - Hvac | #809173 | On file | 2002 |
| Diablo Valley Heating & Air Conditioning | #810526 | On file | 2002 |