Welding and metal fabrication combine two of the riskiest ingredients in commercial insurance: open flame and heavy equipment. Whether you run a fixed shop in Galt or take a mobile welding rig out to job sites across the Central Valley, one uncontrolled spark or one structural failure in a piece you fabricated can turn into a claim that closes your business — unless you’re carrying the right coverage before it happens.
The coverages every Galt welding or fabrication shop needs
General liability
General liability covers third-party bodily injury and property damage — the fire that spreads to a client’s building during hot work, the visitor injured by sparks or debris in your shop. Because welding involves open flame and hot work by definition, insurers underwrite it more carefully than most trades, and your limits typically need to be higher than a standard contractor’s policy.
Workers’ compensation
Under California Labor Code §3700, workers’ comp is mandatory from your first employee, with no exemption for small crews. Welding carries one of the higher workers’ comp class codes in California because of burn, eye injury, and respiratory exposure — California’s Division of Workers’ Compensation rates it well above general fabrication or metal shop work that doesn’t involve open flame.
Inland marine / equipment coverage
Your welding rig, generators, torches, and portable equipment usually aren’t fully covered under a standard property policy once they leave your shop. Inland marine coverage protects tools and equipment in transit or on a job site — theft, damage, or loss away from your fixed location.
Products and completed operations
If a weld you performed fails after the job is done — a railing gives way, a structural bracket cracks — products and completed operations coverage responds to claims that arise after you’ve left the site. For structural or load-bearing fabrication work, this coverage matters as much as your active-job general liability.
Do you need a CSLB license?
If you’re fabricating and repairing in your own shop without contracting on other people’s job sites, you may not need a Contractors State License Board (CSLB) license. But if you take contracts to weld or fabricate on a client’s property — structural steel, gates, fencing, agricultural equipment repair on-site — you likely need a C-60 (Welding) contractor license, which requires a $15,000 contractor license bond as a condition of licensure. The bond isn’t insurance; it’s a separate financial guarantee, and you need both.
What does welding and fabrication shop insurance cost in the Galt area?
Rates vary based on payroll, whether you work fixed-shop or mobile field jobs, prior loss history, and coverage limits selected. As a working range for Sacramento County welding operations:
- General liability: $2,000–$5,500 per year depending on hot work exposure and revenue
- Workers’ compensation: $10–$20 per $100 of payroll (one of the higher class codes in California)
- Inland marine/equipment coverage: $500–$2,000 per year depending on equipment value
- CSLB C-60 contractor license bond (if contracting on job sites): $150–$350 per year
These are ranges, not quotes. Your premium depends on payroll, whether you do fixed-shop or mobile field work, claims history, and the carriers our agents can access.
Why an independent local agency beats an 800 number
Insurance City’s parent operation serves 4,500+ active customers across three California offices and wrote 2,080 new policies in 2025. A national call center will underwrite you like a generic contractor and miss the fact that hot work exposure needs to be disclosed and priced correctly — get it wrong and a claim can be denied for misrepresentation. Our agents write welding and fabrication accounts across the Central Valley and know how to present your risk to our commercial carriers accurately.
We serve Galt welding and fabrication shops from our Stockton office at 956 W. Robinhood Drive — most commercial policies are quoted and bound without an office visit. Call (209) 670-1556 to get started.
Frequently asked questions
Does my general liability policy cover fire damage I cause while welding on a client’s property?
Only if your policy discloses hot work/welding as part of your operations. If your application didn’t accurately describe welding or open-flame work, an insurer can deny a fire claim for misrepresentation. Make sure your broker lists welding explicitly on your application, not as generic “metal fabrication.”
I only fabricate in my own shop and never go to job sites. Do I still need a CSLB license?
Generally, no — CSLB licensing applies to contracting work performed on other people’s property. Shop-based fabrication and repair work is typically treated as a manufacturing or retail operation rather than contracting. But if you ever take a job to weld or install something on-site, that job likely requires a license. Ask your broker before you take that first on-site contract.
What’s the difference between general liability and products/completed operations coverage?
General liability covers incidents that happen while you’re actively working — a fire that starts during the job. Products and completed operations covers failures that happen after you’ve left — a weld that gives way weeks or months later. Both are usually part of the same GL policy, but completed operations needs to be confirmed, not assumed, especially for structural work.
I’m a sole proprietor with no employees. Do I need workers’ comp?
You’re exempt as a sole proprietor with zero employees. The moment you hire even one helper — even part-time — California Labor Code §3700 requires coverage immediately. Many clients and general contractors also require a workers’ comp certificate before they’ll let you on a job site, regardless of your exempt status.
Insurance City Agency — 956 W. Robinhood Drive, Stockton, CA 95207 — (209) 670-1556. Serving Galt, Stockton, and the Central Valley by phone. CA License #6003045.

