The is not a right or wrong issue but resolved and prevailed by the one with the most attorneys. You are after all in California.
"As is" you will discover is not the shield to use. The CYA will be the buyer signed DISCLOSURE. Even better if the disclosure of the citation was on a separate addendum.
So, who has the deepest pockets?
Let your attorney advise regarding any exposure?
Weigh the cost.
The attorneys ALWAYS win even when they lose.