C-31: Construction Zone Traffic Control Contractor

457 licensed Construction Zone Traffic Control Contractors in California

What Does a C-31 License Cover?

Prepares or removes lane closures, flagging, or traffic diversions using portable devices such as cones, delineators, barricades, sign stands, flashing beacons, arrow trailers, and changeable message signs on roadways.

California law requires a contractor license for this type of work on projects valued at $500 or more (combined labor and materials). Hiring an unlicensed contractor for work requiring a license may void your consumer protections.

Related Classifications

Hiring a Construction Zone Traffic Control Contractor

Before hiring, verify the contractor's license is active and that they carry current workers' compensation insurance and a contractor bond. California law requires a written contract for home improvement projects over $500. Get at least three written estimates and check references before making a decision.

C-31 Contractors by City

Show all 217 cities (A-Z)

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