No Liberty Mutual does not offer or have accident forgiveness in the state of California.
Although Liberty Mutual does run commercials and ads for their auto insurance with accident forgiveness in California.
But if you read the fine print on the commercials or advertisements for Liberty Mutual insurance you'll see that the accident forgiveness for Liberty Mutual is not available in California.
It's very hard to read that fine print unless you're able to pause the TV commercial and use a pair of binoculars to read it.
Accident forgiveness with Liberty Mutual is available in most other states though but not California.
As long as you've been accident free for at least 5 years or more the Liberty Mutual insurance company will not raise your insurance rates for your auto insurance for your first accident.