Diablo Thermal Systems INC, C-20 HVAC Contractor in Walnut Creek, CA
Diablo Thermal Systems INC operating as a corporation holds an active California contractor license (CSLB #823200), valid through Sep 30, 2027. First issued in 2003, the license has been on the CSLB roster for 23 years. It carries 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with Security National Insurance Company that is no longer active. The business is based in Walnut Creek, in Contra Costa County, California.
- License Number
- 823200
- Issued
- Sep 2, 2003
- Status
- CLEAR
- Expires
- Sep 30, 2027
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 67724031
- Effective
- Apr 9, 2026
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Security National Insurance Company
- Policy Number
- SNP555575
- Effective
- May 11, 2025
- Expires
- May 11, 2026
This contractor has a compliance issue in its public CSLB record:
- No active workers' comp on file
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Diablo Thermal Systems INC licensed in California?
Yes. Diablo Thermal Systems INC holds California Contractors State License Board license number 823200, which is active and in good standing. The license was first issued on September 2, 2003. It is valid through September 30, 2027.
What does Diablo Thermal Systems INC specialize in?
Diablo Thermal Systems INC is licensed for 2 CSLB classifications: C-20 HVAC Contractor and C-38 Refrigeration Contractor.
Where is Diablo Thermal Systems INC headquartered?
Diablo Thermal Systems INC is headquartered at Po Box 30582, Walnut Creek, CA 94598, in Contra Costa County, California.
Does Diablo Thermal Systems INC have an active surety bond on file with CSLB?
Yes. Diablo Thermal Systems INC has an active California contractor surety bond filed with Western Surety Company.
Does Diablo Thermal Systems INC carry workers' compensation coverage?
Diablo Thermal Systems INC has a previously-filed workers' compensation policy with Security National Insurance Company that is no longer active.
How do I verify Diablo Thermal Systems INC's contractor license?
You can verify Diablo Thermal Systems INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=823200.
- License issuedSep 2, 2003
- WC coverage startsMay 11, 2025
- Bond activeApr 9, 2026
- WC expiredMay 11, 2026
- License expiresSep 30, 2027
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