Walker died Saturday afternoon, Ame Van Iden told The Associated Press.
A statement on the actor's Facebook page said he was a passenger in a friend's car, and that Walker was in the area to attend a charity event for his organization Reach Out Worldwide.
"We ... are stunned and saddened beyond belief by this news," the statement said.
The Los Angeles County Sheriff's Department said that deputies found a car engulfed in flames when they responded to a report of a collision in the community of Valencia. Two people who were found in the car were pronounced dead at the scene.
Sheriff's deputies work near the wreckage of a Porsche that crashed into a light pole on Hercules St …
The Santa Clarita Signal reports a red Porsche crashed into a light pole and tree and burst into flames.
Walker was working on "Fast & Furious 7" at the time of his death. He also starred in the suspense drama, "Hours," which is set for release this month.
Walker rode the "Fast & Furious" franchise to stardom, starring in all but one of the six action blockbusters, beginning with the first film in 2001. The blond-haired, blue-eyed Los Angeles-native brought California surfer good-looks and an easy, warm charm to the popular street-racing series.
"All of us at Universal are heartbroken," Universal Pictures said in a statement. "Paul was truly one of the most beloved and respected members of our studio family for 14 years, and this loss is devastating to us, to everyone involved with the 'Fast and Furious' films, and to countless fans."
