Mammoth Welding INC
Mammoth Welding INC operating as a corporation is licensed in California under CSLB number 860670. The license was first issued in 2005, putting the business at 21 years on the active CSLB roster. It carries a single CSLB classification: C-51 — Structural Steel Contractor. Records show an active surety bond on file with Nationwide Mutual Insurance Company and active workers' compensation coverage from Omaha National Casualty Company. The business is based in Mammoth Lakes, in Mono County, California.
- License Number
- 860670
- Issued
- Jun 21, 2005
- Status
- CLEAR
- Expires
- May 31, 2028
- Entity
- Corporation
- Surety
- Nationwide Mutual Insurance Company
- Bond Number
- 7900440680
- Effective
- Jan 1, 2023
- Status
- Active
- Coverage
- Workers' Compensation Insurance
- Carrier
- Omaha National Casualty Company
- Policy Number
- ONCC1701280101
- Effective
- Jun 16, 2025
- Expires
- Jun 16, 2026
This contractor is verified, with no adverse conditions in the current CSLB record.
An automated summary of public CSLB data, not a credit score, rating, or endorsement. How we determine this
Is Mammoth Welding INC licensed in California?
Yes. Mammoth Welding INC holds California Contractors State License Board license number 860670. The license was first issued on June 21, 2005. It is valid through May 31, 2028.
What does Mammoth Welding INC specialize in?
Mammoth Welding INC is licensed for one CSLB classification: C-51 Structural Steel Contractor.
Where is Mammoth Welding INC headquartered?
Mammoth Welding INC is headquartered at P O Box 33, Mammoth Lakes, CA 93546, in Mono County, California.
Does Mammoth Welding INC have an active surety bond on file with CSLB?
Yes. Mammoth Welding INC has an active California contractor surety bond filed with Nationwide Mutual Insurance Company.
Does Mammoth Welding INC carry workers' compensation coverage?
Yes. Mammoth Welding INC carries active workers' compensation coverage through Omaha National Casualty Company.
How do I verify Mammoth Welding INC's contractor license?
You can verify Mammoth Welding INC's license directly with the California Contractors State License Board at https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/LicenseDetail.aspx?LicNum=860670.
- License issuedJun 21, 2005
- Bond activeJan 1, 2023
- WC coverage startsJun 16, 2025
- WC expiresJun 16, 2026
- License expiresMay 31, 2028