C-57 — Well Drilling Contractor
Compliance obligations for California C-57 (Well Drilling Contractor) contractors. Keep every deadline tracked to stay licensed and avoid penalties.
Compliance Obligations
| Obligation | Agency | Cycle | Fee |
|---|---|---|---|
| CSLB Contractor License Renewal | Contractors State License Board (CSLB) | 2 years | $450 |
| Contractor License Bond | Contractors State License Board (CSLB) | continuous | $25,000 |
| Bond of Qualifying Individual | Contractors State License Board (CSLB) | continuous | $25,000 |
| LLC Employee/Worker Bond | Contractors State License Board (CSLB) | continuous | $100,000 |
| Workers' Compensation Insurance | Department of Industrial Relations (DIR) | annual | Varies by classification and payroll |
| Cal/OSHA: Registration required for contractors removing or remediating hazardous substances, including underground storage tanks and contaminated soil | Department of Toxic Substances Control (DTSC) | annual | Varies |
Cal/OSHA Permits Required
C-57 contractors may need the following Cal/OSHA permits depending on project scope.
Workers' Compensation
Workers' comp is required for C-57 contractors.
Mandatory date: 2028-01-01 (Phase 2). Contractors with employees must carry workers' compensation insurance at all times.
Scope of Work
View full statutory scope of work ▼
A well drilling contractor installs and repairs water wells and pumps by boring, drilling, excavating, casing, cementing and cleaning to provide a supply of uncontaminated water.
Track your C-57 deadlines automatically.
PermitCal pre-loads every compliance deadline for C-57 (Well Drilling Contractor) contractors. Join the waitlist.
City Business Licenses
In addition to state requirements, you may need a city business license.