PSO – Proprietary Private Security Officer

A proprietary private security officer (PSO) protects persons or property and is employed exclusively by one employer, whose services are not contracted to any other entity or person. (B&P 7574.1)

A PSO is unarmed.

A PSO wears a distinctive uniform.

A PSO interacts with the public.

To ensure registration is current and valid, call the License Verification Hotline at (916) 575-7000


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