Mercury Insurance Agency est. 1966 on Chula Vista's Third Avenue operates as CSS Insurance Services LLC under California DOI license #0I81019, writing commercial, auto, homeowners, and bond coverage from one of the longest-standing brokerage offices in the Third Avenue Village district. General liability and commercial property policies structured here protect South Bay contractors, restaurants, and tech firms, with coverage disputes and subrogation handled through area practices such as Arroyo Law Center when claims require legal coordination. Mercury Insurance Group, the primary carrier, was founded in 1961 in Los Angeles and holds an AM Best rating of A (Excellent), providing the financial backing behind each policy written at this Third Avenue location. Business Owners Policies issued from this office bundle building, contents, and business-income coverage for commercial properties along the Broadway corridor, where roof-damage claims route through licensed contractors such as Casas Roof Inc under the carrier's managed-repair protocol. Surety and contract bonds written at this location cover bid, performance, and payment obligations for artisan contractors holding CSLB licenses, with bond amounts configurable from $5,000 to $500,000 depending on the project's scope and the contractor's financial underwriting profile.