Updated: Mar 08, 2026
Location and Projects
Address
3909 WILLIAMS AVE, La Verne, CA, 91750
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Douglas HVAC
Douglas HVAC, 3909 Williams Ave, La Verne, CA (Employee: Douglas Steven Kriezel) holds a Warm Air Heating, Ventilating And Air Conditioning license according to the California license board.
Their BuildZoom score of 93 ranks in the top 27% of 336,931 California licensed contractors.
Their license was verified as active when we last checked. If you are thinking of hiring Douglas HVAC, we recommend double-checking their license status with the license board and using our project planner to get competitive quotes.
Douglas HVAC Contact Information
Phone Number: (909) 342-4860
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Address: 3909 WILLIAMS AVE, La Verne, CA 91750
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This is a sample of this contractor's permits. Click here to access their complete permit history.
No Description Available
Valuation:
N/A
Permit #:
M23-0228
Status:
issued
Fee:
N/A
Permit Type:
New
Building Type:
N/A
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Verified License
BuildZoom confirmed this contractor's license
Douglas HVAC License info
Verified License
| License # | 1085919 |
| Status | Active |
| State | California |
| Type | Warm Air Heating, Ventilating And Air Conditioning |
| Business Type | Sole Ownership |
- BuildZoom verified this license was active as of March 2026.
Verify this license's status for Douglas HVAC at the California Contractors State License Board.
This is a sample of licensing data; click here to access a complete history.
93
BuildZoom Score
Bonded
| Bonded Agent | This License Filed A Contractor's Bond With |
| Bond Value | $15,000 |
Insured
| Workers Comp Provider | State National Insurance Company Inc |
Douglas HVAC Employees
DK
Douglas Steven Kriezel
Sole Owner