I'm trying to find the addresses to mail my state (California) and federal return but didn't see any mailing instructions?

This is a known problem.  See this TurboTax support FAQ - https://ttlc.intuit.com/turbotax-support/en-us/help-article/filing-instructions/filing-instructions-printed-return/L5dsPiWbO_US_en_US?uid=m6qktzh6

HERE is a link with the California address. 

HERE is a link for Federal returns.

@dbeam19613