Updated: Dec 11, 2025
Location
Address
27588 Onyx Ln, Castaic, CA, 91384
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Harms Air Conditioning & Heating
Harms Air Conditioning & Heating at 27588 Onyx Ln, Castaic, CA 91384, held a HVAC/Mechanical Contractor license (#749242) with the California contractors license board with an expiration date of 05-31-2018. We last verified the license was expired on 12-10-2025.
Their BuildZoom score is 0 because we haven’t been able to verify an active license. As a result, they’re not ranked in the top 50% of 336,931 California contractors.
If you’re thinking about hiring them, we recommend double-checking their license status with your local licensing authority. Alternatively, use our project planner to be easily matched to qualified, licensed professionals in your area.
Harms Air Conditioning & Heating Contact Information
Phone Number: (661) 775-2577
Address: 27588 Onyx Ln, Castaic, CA 91384
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Harms Air Conditioning & Heating License info
Inactive License
| License # | 749242 |
| Status | Inactive |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- According to the California Contractors State License Board, the status of this license was at one point cancelled. However, this information may have changed.
Check this license's status for Harms Air Conditioning & Heating at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
ALERT*
BuildZoom Score
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- *No active license on file. If you are Harms Air Conditioning & Heating, log in and update your license info in the “Edit Profile” tab.
Bonded
| Bonded Agent | American Contractors Indemnity Company |
| Bond Value | $15,000 |
Harms Air Conditioning & Heating Employees
CM
Chester Robert Miller
Owner