Trans Bay Air, C-20 HVAC Contractor in San Ramon, CA
Trans Bay Air operating as a sole owner holds California contractor license #809545, which is currently expired (lapsed Jun 30, 2026) and not valid to contract until it is renewed. First issued in 2002, the license has been on the CSLB roster for 24 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with American Contractors Indemnity Company and active workers' compensation coverage from American Casualty Company of Reading PA. The business is based in San Ramon, in Contra Costa County, California.
- License Number
- 809545
- Issued
- Jun 17, 2002
- Status
- CLEAR
- Expires
- Jun 30, 2026
- Entity
- Sole Owner
- Surety
- American Contractors Indemnity Company
- Bond Number
- SC6326280
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- American Casualty Company of Reading PA
- Policy Number
- 7039126641
- Effective
- Dec 30, 2025
- Expires
- Dec 30, 2026
This contractor has a compliance issue in its public CSLB record:
- License expired
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Trans Bay Air licensed in California?
Trans Bay Air previously held California Contractors State License Board license number 809545, but the license expired on June 30, 2026 and is not currently valid. It was first issued on June 17, 2002.
What does Trans Bay Air specialize in?
Trans Bay Air is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is Trans Bay Air headquartered?
Trans Bay Air is headquartered at P O Box 3027, San Ramon, CA 94583, in Contra Costa County, California.
Does Trans Bay Air have an active surety bond on file with CSLB?
Yes. Trans Bay Air has an active California contractor surety bond filed with American Contractors Indemnity Company.
Does Trans Bay Air carry workers' compensation coverage?
Yes. Trans Bay Air carries active workers' compensation coverage through American Casualty Company of Reading PA.
How do I verify Trans Bay Air's contractor license?
You can verify Trans Bay Air's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=809545.
- License issuedJun 17, 2002
- Bond activeJan 1, 2023
- WC coverage startsDec 30, 2025
- License expiredJun 30, 2026
- WC expiresDec 30, 2026
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