Tromborg Royal Plumbing & Heating
Tromborg Royal Plumbing & Heating operating as a sole owner is licensed in California under CSLB number 773207. The license was first issued in 2000, putting the business at 26 years on the active CSLB roster. It carries 2 CSLB classifications: B General Building Contractor and C-36 Plumbing 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 Daly City, in San Mateo County, California.
- License Number
- 773207
- Issued
- Jan 3, 2000
- Status
- CLEAR
- Expires
- Jan 31, 2028
- Entity
- Sole Owner
- Surety
- Merchants Bonding Company (mutual)
- Bond Number
- 101771970
- Effective
- Feb 12, 2026
- Status
- Active
- Coverage
- Exempt
- Carrier
- —
- Policy Number
- —
- Effective
- Jan 7, 2026
- Expires
- —
This contractor warrants a closer look before contracting:
- Workers' comp listed as exempt
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Tromborg Royal Plumbing & Heating licensed in California?
Yes. Tromborg Royal Plumbing & Heating holds California Contractors State License Board license number 773207. The license was first issued on January 3, 2000. It is valid through January 31, 2028.
What does Tromborg Royal Plumbing & Heating specialize in?
Tromborg Royal Plumbing & Heating is licensed for 2 CSLB classifications: B General Building Contractor and C-36 Plumbing Contractor.
Where is Tromborg Royal Plumbing & Heating headquartered?
Tromborg Royal Plumbing & Heating is headquartered at 7 Washington Street, Daly City, CA 94014, in San Mateo County, California.
Does Tromborg Royal Plumbing & Heating have an active surety bond on file with CSLB?
Yes. Tromborg Royal Plumbing & Heating has an active California contractor surety bond filed with Merchants Bonding Company (mutual).
Does Tromborg Royal Plumbing & Heating carry workers' compensation coverage?
Tromborg Royal Plumbing & Heating reports an exempt workers' compensation status, meaning the business has no employees on payroll.
How do I verify Tromborg Royal Plumbing & Heating's contractor license?
You can verify Tromborg Royal Plumbing & Heating's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=773207.
- License issuedJan 3, 2000
- WC coverage startsJan 7, 2026
- Bond activeFeb 12, 2026
- License expiresJan 31, 2028
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