John Triantafyllos, A General Engineering Contractor in Novato, CA
John Triantafyllos operating as a sole owner holds an active California contractor license (CSLB #1149939), valid through Feb 29, 2028. It carries a single CSLB classification: A — General Engineering Contractor. Records show an active surety bond on file with Merchants Bonding Company (mutual) and an exempt workers' compensation status (no employees on payroll). The business is based in Novato, in Marin County, California.
- License Number
- 1149939
- Issued
- Feb 3, 2026
- Status
- CLEAR
- Expires
- Feb 29, 2028
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101755727
- Effective
- Jan 21, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 21, 2026
- Expires
- —
Recently licensed: the CSLB license is active and in good standing, issued within the last 2 years.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is John Triantafyllos licensed in California?
Yes. John Triantafyllos holds California Contractors State License Board license number 1149939, which is active and in good standing. The license was first issued on February 3, 2026. It is valid through February 29, 2028.
What does John Triantafyllos specialize in?
John Triantafyllos is licensed for one CSLB classification: A General Engineering Contractor.
Where is John Triantafyllos headquartered?
John Triantafyllos is headquartered at 11 Beyer Ct, Novato, CA 94945, in Marin County, California.
Does John Triantafyllos have an active surety bond on file with CSLB?
Yes. John Triantafyllos has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does John Triantafyllos carry workers' compensation coverage?
John Triantafyllos reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify John Triantafyllos's contractor license?
You can verify John Triantafyllos's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=1149939.
- Bond activeJan 21, 2026
- WC coverage startsJan 21, 2026
- License issuedFeb 3, 2026
- License expiresFeb 29, 2028
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