Legal Question in Real Estate Law in California

The seller. Make sure your record the deed and ask the recorders Office if they can send you a copy of any other deeds or liens filed against the property in the future.

The seller? Maybe, but it's also not unusual just to pick out a title company and fill in its name. You don't need its permission or knowledge. If later on you really need trustee services, then you substitute in someone who is, for example, a foreclosure specialist.

See Civil Code section 2924b(a) for the form to be filed with the recorder's office to be on the list to receive a copy of any notice of default or notice of sale.