Black Diamond Heating and Air Conditioning INC
Black Diamond Heating and Air Conditioning INC operating as a corporation is licensed in California under CSLB number 931418. The license was first issued in 2009, putting the business at 17 years on the active CSLB roster. It carries 4 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-38 Refrigeration Contractor, and C-43 Sheet Metal Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from Markel Insurance Company. The business is based in Oakley, in Contra Costa County, California.
- License Number
- 931418
- Issued
- Apr 16, 2009
- Status
- CLEAR
- Expires
- Apr 30, 2027
- Entity
- Corporation
- Surety
- American Contractors Indemnity Company
- Bond Number
- 100067974
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Markel Insurance Company
- Policy Number
- MCW00639315
- Effective
- Jul 15, 2025
- Expires
- Jul 15, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Black Diamond Heating and Air Conditioning INC licensed in California?
Yes. Black Diamond Heating and Air Conditioning INC holds California Contractors State License Board license number 931418. The license was first issued on April 16, 2009. It is valid through April 30, 2027.
What does Black Diamond Heating and Air Conditioning INC specialize in?
Black Diamond Heating and Air Conditioning INC is licensed for 4 CSLB classifications: C-4 Boiler, Hot Water Heating and Steam Fitting Contractor, C-20 HVAC Contractor, C-38 Refrigeration Contractor, and C-43 Sheet Metal Contractor.
Where is Black Diamond Heating and Air Conditioning INC headquartered?
Black Diamond Heating and Air Conditioning INC is headquartered at 2063 Main St #425, Oakley, CA 94561, in Contra Costa County, California.
Does Black Diamond Heating and Air Conditioning INC have an active surety bond on file with CSLB?
Yes. Black Diamond Heating and Air Conditioning INC has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Black Diamond Heating and Air Conditioning INC carry workers' compensation coverage?
Yes. Black Diamond Heating and Air Conditioning INC carries active workers' compensation coverage through Markel Insurance Company.
How do I verify Black Diamond Heating and Air Conditioning INC's contractor license?
You can verify Black Diamond Heating and Air Conditioning INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=931418.
- License issuedApr 16, 2009
- Bond activeJan 1, 2023
- WC coverage startsJul 15, 2025
- WC expiresJul 15, 2026
- License expiresApr 30, 2027
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