Document

We consent to the incorporation by reference in the Registration Statements on Form S-3 (No. 333-293089) and Form S-8 (No. 333-256345) of Five Star Bancorp (the “Company”) of our report dated February 27, 2026, relating to the consolidated financial statements of the Company, appearing in this Annual Report on Form 10-K of the Company for the year ended December 31, 2025.