Best Private Security in San Dimas, CA

Signal 88 Security of San Gabriel Valley is a highly-rated franchise with extensive experience serving the San Dimas area. They provide comprehensive security solutions including 24/7 mobile patrol services, rapid alarm response, and customized security plans for both commercial and residential clients. Their local team understands the specific security needs of the San Dimas community and maintains strong relationships with local law enforcement. With marked vehicles and uniformed security officers, they offer visible deterrence and professional response services that have earned them excellent customer satisfaction ratings throughout the region.

Allied Universal is one of the largest and most established security providers in the United States with a strong local presence serving San Dimas and the greater Inland Empire region. Their Ontario office has been operating since 1999 and provides comprehensive security solutions including armed and unarmed officers, mobile patrol units, and advanced access control systems. With extensive resources and training programs, they serve a wide range of clients from residential communities to large commercial properties. Their long-standing reputation and local expertise make them a reliable choice for professional security services in the San Dimas area.

Inter-State Security has been providing professional security services throughout the Inland Empire and San Gabriel Valley since 2002, with specific coverage extending to San Dimas. This locally-owned and operated company offers customized security solutions including uniformed security officers, vehicle patrol services, and specialized event security. They are known for their responsive customer service and thorough officer training programs. With deep roots in the local community and understanding of regional security challenges, Inter-State Security has built a strong reputation for reliability and professional service delivery across multiple industries and property types.