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C-12 — Earthwork and Paving Contractors

Compliance obligations for California C-12 (Earthwork and Paving Contractors) contractors. Keep every deadline tracked to stay licensed and avoid penalties.

Compliance Obligations

ObligationAgencyCycleFee
CSLB Contractor License RenewalContractors State License Board (CSLB)2 years$450
Contractor License BondContractors State License Board (CSLB)continuous$25,000
Bond of Qualifying IndividualContractors State License Board (CSLB)continuous$25,000
LLC Employee/Worker BondContractors State License Board (CSLB)continuous$100,000
Workers' Compensation InsuranceDepartment of Industrial Relations (DIR)annualVaries by classification and payroll
Cal/OSHA: Permit required before starting any trench or excavation 5 feet or more in depthCal/OSHA - Division of Occupational Safety and Health (DOSH)annualVaries

Cal/OSHA Permits Required

C-12 contractors may need the following Cal/OSHA permits depending on project scope.

Trench & Excavation Permit

Workers' Compensation

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Workers' comp is required for C-12 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

An earthwork and paving contractor digs, moves, and places material forming the surface of the earth, other than water, in such a manner that a cut, fill, excavation, grade, trench, backfill, or tunnel (if incidental thereto) can be executed, including the use of explosives for these purposes. This classification includes the mixing, fabricating and placing of paving and any other surfacing materials.

Track your C-12 deadlines automatically.

PermitCal pre-loads every compliance deadline for C-12 (Earthwork and Paving Contractors) contractors. Join the waitlist.

City Business Licenses

In addition to state requirements, you may need a city business license.