Cal. PROB § 6327

An appeal may be taken from any of the following: (a) Any order described in Part 3 (commencing with Section 1300) of Division 3 made pursuant to this chapter. (b) An order making or refusing to make a determination specified in paragraph (1), (2), or (8) of subdivision (a) of Section 6325. (c) As provided in Section 1304 for an order made pursuant to Section 6326.