Thermoline Mechanical Systems INC, C-20 HVAC Contractor in Chula Vista, CA
Thermoline Mechanical Systems INC operating as a corporation holds California contractor license #1126914, which is currently expired (lapsed Sep 30, 2026) and not valid to contract until it is renewed. First issued in 2024, the license has been on the CSLB roster for 2 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with Western Surety Company and a previously-filed workers' compensation policy with American Casualty Company of Reading PA that is no longer active. The business is based in Chula Vista, in San Diego County, California.
- License Number
- 1126914
- Issued
- Sep 25, 2024
- Status
- CLEAR
- Expires
- Sep 30, 2026
- Entity
- Corporation
- Surety
- Western Surety Company
- Bond Number
- 67447647
- Effective
- Aug 30, 2025
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- American Casualty Company of Reading PA
- Policy Number
- WC738992390
- Effective
- Sep 13, 2025
- Expires
- Sep 13, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
- 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 Thermoline Mechanical Systems INC licensed in California?
Thermoline Mechanical Systems INC previously held California Contractors State License Board license number 1126914, but the license expired on September 30, 2026 and is not currently valid. It was first issued on September 25, 2024.
What does Thermoline Mechanical Systems INC specialize in?
Thermoline Mechanical Systems INC is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Thermoline Mechanical Systems INC headquartered?
Thermoline Mechanical Systems INC is headquartered at 481 Westby St, Chula Vista, CA 91911, in San Diego County, California.
Does Thermoline Mechanical Systems INC have an active surety bond on file with CSLB?
Yes. Thermoline Mechanical Systems INC has an active California contractor surety bond filed with Western Surety Company.
Does Thermoline Mechanical Systems INC carry workers' compensation coverage?
Thermoline Mechanical Systems INC has a previously-filed workers' compensation policy with American Casualty Company of Reading PA that is no longer active.
How do I verify Thermoline Mechanical Systems INC's contractor license?
You can verify Thermoline Mechanical Systems INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1126914.
- License issuedSep 25, 2024
- Bond activeAug 30, 2025
- WC coverage startsSep 13, 2025
- WC expiredSep 13, 2026
- License expiredSep 30, 2026
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