OSOS Security ServicesSecurity Guards in 751 E Blithedale Ave, Mill Valley, CA 94941

OSOS Security Services offers BSIS‑approved California guard‑card training, including an 8‑hour hybrid course (3‑hour online Power‑to‑Arrest, 5‑hour in‑person Appropriate Use of Force) and a 32‑hour continuing‑education module. A 40‑hour bundle meets state requirements. Annual 8‑hour refresher and optional 4‑hour electives (e.g., Public Relations, Observation) are available online, with instant certificates.