Licensed HVAC Contractors in Antioch, California
Updated November 1, 2026 from CSLB's public license file · C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor
- 39licensed HVAC contractors
- 37active (Clear)
- 5.1%with a suspension
- 0%workers' comp exempt
- 9.5 yrsmedian time licensed
- 46.2%corp / LLC / partnership (53.8% sole owner)
- 5new in the last 12 months
- —change tracking began November 1, 2026
CSLB's public data lists 39 HVAC contractors with a mailing address in Antioch, and 37 of them (94.9%) show a Clear primary status.
The share with a suspension, 5.1%, is 1.9 points higher than the Contra Costa County rate for the same license (3.2%). About 0% report a workers' comp exemption, roughly the statewide norm for HVAC contractors.
Experience varies: 46.2% have been licensed 10+ years and 5 are new this year (median 9.5 years, vs 11.6 statewide).
In California this work generally calls for the C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor license (or a B license when it is part of a larger multi-trade job). See the C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor guide for what the license covers.
How to check a HVAC contractor's license in Antioch
- Open the HVAC contractor's profile from the table below (or search Antioch listings by name). Check that C-20 appears among its classifications and that the primary status reads Clear. What C-20 covers.
- Confirm it live with CSLB's Instant License Check. Statuses change between our weekly refreshes, especially workers' comp and bond suspensions.
- Get the bid and contract in writing with the license number on it. If the job tops $1,000 in labor and materials, a licensed HVAC contractor is required by law. See the $1,000 rule.
All 39 HVAC contractors in Antioch
Antioch HVAC contractors sorted with Clear licenses first, then by years licensed. Badges reflect CSLB's file dated November 1, 2026, not a rating of anyone's work.
| Business name | License # | Status | Years | Workers' comp | Bond |
|---|---|---|---|---|---|
| Mas Service | 498289 | Clear | 40 | Insured | On file |
| Sensley's Refrigeration | 568095 | Clear | 37 | Insured | On file |
| Integrity Air Conditioning and Heating | 700564 | Clear | 31 | Insured | On file |
| N K Heating & Air Conditioning INC | 786063 | Clear | 26 | Insured | On file |
| Jet - HVAC | 809173 | Clear | 24 | Insured | On file |
| Diablo Valley Heating & Air Conditioning | 810526 | Clear | 24 | Insured | On file |
| Tri-City Heating & Air-Conditioning INC | 813490 | Clear | 24 | Insured | On file |
| Cooler Solutions INC | 832874 | Clear | 22 | Insured | On file |
| Tyndall H V A C INC | 834929 | Clear | 22 | Insured | On file |
| Blue Star Heating & Air Conditioning INC | 880647 | Clear | 20 | Insured | On file |
| California Heating and Cooling INC | 890699 | Clear | 19 | Insured | On file |
| Airgonomics Heating & Cooling LLC | 928654 | Clear | 17 | Insured | On file |
| Ynot Heating and Air | 940610 | Clear | 16 | Insured | On file |
| In Demand Plumbing Heating & Air INC | 943549 | Clear | 16 | Insured | On file |
| Del Monte Mechanical INC | 950940 | Clear | 16 | Insured | On file |
| Councell Heating and Air | 965139 | Clear | 15 | Insured | On file |
| HVAC Replacement Services | 1006208 | Clear | 11 | Insured | On file |
| Perfect Star Heating Cooling & Electrical | 1022101 | Clear | 9 | Insured | On file |
| Alfa Heating and Cooling | 1026386 | Clear | 9 | Insured | On file |
| Asm Mechanical Services | 1051854 | Clear | 7 | Insured | On file |
| Phillips Mechanical INC | 1053355 | Clear | 7 | Insured | On file |
| Keeney H V A C | 1056961 | Clear | 7 | Insured | On file |
| Mdb Same Day HVAC INC | 1057681 | Clear | 7 | Insured | On file |
| All Star HVAC | 1076138 | Clear | 5 | Insured | On file |
| Cozy Conditions HVAC | 1089557 | Clear | 4 | Insured | On file |
| Gonzalez Heating & AC | 1094775 | Clear | 4 | Insured | On file |
| Complete HVAC Systems INC | 1102530 | Clear | 3 | Insured | On file |
| Breeze Heating & Cooling | 1122479 | Clear | 2 | Insured | On file |
| Kz Heating and Air Conditioning | 1125064 | Clear | 2 | Insured | On file |
| Hi-Tech Heating and Cooling | 1139279 | Clear | 1 | Insured | On file |
| Palma Super Cold HVAC | 1138662 | Clear | 1 | Insured | On file |
| Majestic Mechanical | 1143750 | Clear | 1 | Insured | On file |
| Genxpro Heating & Air Conditioning INC | 1146313 | Clear | 1 | Insured | On file |
| All Air Heating and Cooling | 1156365 | Clear | <1 | Insured | On file |
| B Cool Express Heating & Air Conditioning | 1156020 | Clear | <1 | Insured | On file |
| Precision Air Solutions LLC | 1159463 | Clear | <1 | Insured | On file |
| Empire Mechanical HVAC | 1162149 | Clear | <1 | Insured | On file |
| S S Heating & Air | 817318 | Susp: workers' compensation | 23 | None | On file |
| All Preventative Measures In HVAC | 1138417 | Susp: workers' compensation | 1 | None | On file |
Source: CSLB public data · Updated November 1, 2026 Status can change at any time. Verify on CSLB's Instant License Check.
Frequently asked questions
How many licensed HVAC contractors are in Antioch?
CSLB's current public file lists 39 HVAC contractors with a Antioch mailing address. 37 have a Clear status, and 92.3% show no issues at all in the file (no suspension, no pending action, bond on file, not near expiration).
What license does a HVAC contractor need in California?
CSLB issues the C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor classification for this work. In Contra Costa County, 94.9% of Antioch's holders are Clear right now. The license requirement starts at $1,000 per job (the minor-work rule).
How do I check a HVAC contractor's workers' comp?
Open the contractor's profile here to see the workers' comp type and insurer from CSLB's file. In Antioch, 94.9% of HVAC contractors list a policy, 0% claim an exemption and 5.1% show no current coverage. Confirm the policy with CSLB's workers' comp search before work starts. How to check workers' comp.
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Other licensed trades in Antioch
- General Contractors (185)
- Electricians (65)
- Plumbers (56)
- Painters (55)
- Landscapers (52)
- Limited Specialty Contractors (48)
- Flooring Contractors (37)
- General Engineering Contractors (21)
- Concrete Contractors (21)
Guides
- C-20 Warm-Air Heating, Ventilating and Air-Conditioning Contractor: what the license covers
- What "Suspended: workers' compensation" means
- What "Suspended: contractor's bond" means
- Licensed contractors in Contra Costa County
- All licensed contractors in Antioch
- How to check a contractor license in California