It remained a relatively small community until the late 1940s , when developer Henry Doelger established Westlake , a major district of homes and businesses , including the Westlake Shopping Center . On March 22 , 1957 , Daly City was again the epicenter of an earthquake , this one a 5.3 magnitude quake on the San Andreas Fault , which caused some structural damage in Westlake and closed State Route 1 along the Westlake Palisades . In 1963 , Daly City annexed the city of Bayshore . The Cow Palace , located in Bayshore and now within the city limits of Daly City , was the site of the following year 's Republican National Convention . The Daly City BART station opened on September 11 , 1972 , providing northern San Mateo County with rail service to downtown San Francisco and other parts of the Bay Area . The line was extended south to Colma in 1996 and then to Millbrae and the San Francisco International Airport in 2003
the following year 's Republican National Convention
1964 Republican National Convention
Daly City, California