C-60 Welding contractors in California — CSLB numbers
CSLB lists 1,007 active licenses with the C-60 classification (CSLB license file, September 2026). The most are in Los Angeles, San Diego and San Bernardino counties. Many also hold a C-51 Structural Steel license (126) or a B license (115).
What CSLB requires
- Every active license needs the $25,000 CSLB contractor license bond. LLC licenses also need a $100,000 employee/worker bond and $1M–$5M of liability insurance.
- Workers' comp: required as soon as you have an employee, and for every active license from January 1, 2028 (SB 216, as delayed by SB 1455), except joint ventures with no employees.
What underwriters look at
- Hot work on jobsites: fire watch, permits and fire extinguishers
- Structural vs. non-structural (ornamental, repair, fabrication) welding
- Shop fabrication vs. mobile/field welding
- Work at heights and on occupied buildings
- Products/completed operations for fabricated items
Workers' comp class codes (WCIRB, effective 9/1/2026)
| Code | Description | Rate per $100 |
|---|---|---|
| 3365 | Welding or cutting — N.O.C. (shop or outside, not part of construction) | $5.289 |
| 5040 | Iron or steel erection — structural | $10.051 |
Note: Advisory pure premium rates per $100 of payroll, before each carrier's own rating. Your actual premium depends on the carrier, payroll and experience.
Coverage we quote for this trade
- General liability (several markets write this trade)
- Workers' compensation
- Commercial auto and hired/non-owned auto
- CSLB license bond and contract bonds
- Tools and equipment (inland marine)
- Umbrella/excess
What to have ready for a quote
- Annual revenue and payroll
- Structural vs. non-structural work, shop vs. field
- Hot-work safety program
- Vehicles, welding rigs and equipment
- Current policy and losses
Get a quote
Call (858) 925-9555 or request a review online — only your name, phone and email are required; we collect project details by phone. Asena Capital Insurance Services, CA License #6008596.
Frequently asked questions
Which workers' comp code applies to welders in California?
It depends on the work. Welding for others that is not part of construction is 3365 ($5.289). Welding done as part of structural steel erection is classified with that work, such as 5040 ($10.051). WCIRB rates effective 9/1/2026.
Is a mobile welder covered on a jobsite?
Your general liability covers your operations wherever you work, subject to the policy. GCs usually require additional insured status and a hot-work program.