A T Mechanical, C-20 HVAC Contractor in Vallejo, CA
A T Mechanical operating as a sole owner holds an active California contractor license (CSLB #717720), valid through Dec 31, 2026. First issued in 1996, the license has been on the CSLB roster for 30 years. It carries a single CSLB classification: C-20 — HVAC Contractor. Records show an active surety bond on file with North River Insurance Company (the) and a previously-filed workers' compensation policy with Hartford Casualty Insurance Company that is no longer active. The business is based in Vallejo, in Solano County, California.
- License Number
- 717720
- Issued
- Jan 18, 1996
- Status
- CLEAR
- Expires
- Dec 31, 2026
- Entity
- Sole Owner
- Surety
- North River Insurance Company (the)
- Bond Number
- 04CF615398
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Hartford Casualty Insurance Company
- Policy Number
- 57WECDX3968
- Effective
- Jul 29, 2025
- Expires
- Mar 15, 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 A T Mechanical licensed in California?
Yes. A T Mechanical holds California Contractors State License Board license number 717720, which is active and in good standing. The license was first issued on January 18, 1996. It is valid through December 31, 2026.
What does A T Mechanical specialize in?
A T Mechanical is licensed for one CSLB classification: C-20 HVAC Contractor.
Where is A T Mechanical headquartered?
A T Mechanical is headquartered at 419 Banning Way, Vallejo, CA 94591, in Solano County, California.
Does A T Mechanical have an active surety bond on file with CSLB?
Yes. A T Mechanical has an active California contractor surety bond filed with North River Insurance Company (the).
Does A T Mechanical carry workers' compensation coverage?
A T Mechanical has a previously-filed workers' compensation policy with Hartford Casualty Insurance Company that is no longer active.
How do I verify A T Mechanical's contractor license?
You can verify A T Mechanical's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=717720.
- License issuedJan 18, 1996
- Bond activeJan 1, 2023
- WC coverage startsJul 29, 2025
- WC expiredMar 15, 2026
- License expiresDec 31, 2026
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