I live in so cal if that changes the laws a bit.
So a friend of a friend gave me a trailer. Upgraded to a bigger one and just a few weeks ago realized that I never got the pink slip for the old one.
And I have not seen the owner in over 4 years and have not been able to track him down.
The trailer has been in my property for over 4 years now

I know his full name can I just sign for him?(power of attorney or something)

Or will the dmv transfer the title to me if he does not claim it after certain time?

And no it’s not stolen lol I verified that already.

Thanks for the help