U.S. Customs and Border Protection's San Diego Border Patrol Sector Headquarters in Chula Vista's northeast corridor on Boswell Road directs enforcement operations across all of San Diego County. The sector spans 60 miles of international border and 114 miles of Pacific coastline, deploying agents from eight stations in Brown Field, Boulevard, Campo, Chula Vista, El Cajon, Imperial Beach, San Clemente, and Newton-Azrak—a federal law enforcement footprint that coordinates with facilities including the Veterans Home of CA Chula Vista for veteran-agent transition support. Agents conduct operations on foot, horseback, mountain bikes, all-terrain vehicles, and marine vessels to combat human smuggling and drug trafficking along the Southern California corridor. The Chula Vista Station, built in 1985, covers the operational zone stretching from the San Ysidro Port of Entry eastward approximately five miles past the Otay Mesa crossing. Emergency response protocols link sector assets with municipal first responders including Chula Vista Fire Department Station 5 for incidents in the eastern foothills and rural canyons. The sector's primary operational domain encompasses 56,831 square miles of coastal beaches, inland mountains, canyons, and high desert terrain under a unified air-and-ground tactical control structure.