First Security Services

As California’s esteemed “Certified Security Services Provider” by the California Association of Licensed Security Services, First Security Services of San Mateo, and Half Moon Bay offers trusted private security officers as both armed and unarmed security guards in Half Moon along with vehicle patrol, residential security, alarm response services, security solutions, and round-the-clock-communications in San Mateo and the California Bay Area. With First Security Services, you will find comprehensive security that places clients’ individual needs as a main priority and upholds their safety, protection, confidentiality, and discretion since their beginnings in 1966.