The short answer is yes. In California, once a Petition for Probate is filed with the Superior Court, the case becomes a matter of public record.
Because the court requires transparency to protect creditors and heirs, the following details are typically accessible to anyone with a browser or a trip to the courthouse:
There is a literal industry built around monitoring new probate filings. Within 24 to 48 hours of your attorney filing the DE-111 petition, your information is often indexed by:
This is why the phone calls and mailers often start before you've even received your official Letters from the court.
While the filing itself is public, the way you file and the timing of certain disclosures can change how much "noise" you experience from solicitors. Most families are surprised by how quickly the privacy gap closes.