The Golden State Warriors started playing basketball in 1971.
The Golden State Warriors are an American professional basketball team based in Oakland , California . The team was established in 1946 as the Philadelphia Warriors based in Philadelphia , Pennsylvania , a founding member of the Basketball Association of America ( BAA ) . In 1962 , the franchise relocated to the San Francisco Bay Area and was renamed the San Francisco Warriors . Since 1971 , the team 's home court has been the Oracle Arena in Oakland .