As per the instructions to CA form 540, California does not conform to the federal tax laws with regard to the limit on state tax deductions. The instructions to form 541 do not list any modification to that for trust tax returns, so it seems you are correct in assuming you are not limited to the $10,000 amount.
You can read more about that here:
https://www.ftb.ca.gov/forms/2020/2020-540-ca-instructions.html
**Say "Thanks" by clicking the thumb icon in a post
**Mark the post that answers your question by clicking on "Mark as Best Answer"
