Excavation, grading, and earthmoving work using heavy equipment for construction site preparation across California — from residential lot grading in the suburbs to large commercial site work.

Source: WCIRB pure premium rates. Actual carrier rates may vary significantly in California.
⚠️ Pre-Underwriting Estimate: This is a preliminary estimate only. Final premium can change based on underwriting results, loss history, OSHA records, and carrier approval. CA rates vary significantly by carrier.
Enter your phone number to get your personalized CA workers comp quote with PDF download.
Enter your cell number to view your instant estimate.
By entering your number, you agree to receive a call from our team. We never sell your contact information. Standard message rates may apply.
🔒 Your info is 100% private. We never sell your contact.
An excavator operator is injured when a trench collapses on a utility installation project in Bakersfield — crush injuries, emergency rescue, and long-term disability in California can result in $700,000+ in workers comp costs. Cal/OSHA's Title 8 Section 1541 requires protective systems for all excavations deeper than 5 feet, and trench collapse fatalities in California average 4–6 per year despite these requirements.
California excavation contractors face a challenging insurance market: the combination of heavy equipment, trench hazards, and California's elevated medical costs makes standard carriers cautious about small excavation operations. PEO group programs aggregate excavation contractors across multiple projects and geographies, providing underwriters with the loss-spread needed to offer competitive rates to operators who would otherwise face non-standard market pricing.
At $5.54/100, California excavation rates reflect the heavy equipment risk and trench hazard exposure of earthmoving work. WCIRB's pure premium accounts for the severity of equipment-related injuries in California, where the average excavation injury claim costs 45% more than the national average due to the state's elevated medical costs and the complexity of equipment-related permanent disability assessments.