Document

We consent to the incorporation by reference in Registration Statements on Form S-8 (No. 333-89362, No. 333-10078, No. 333-134125, and No. 333-203397) of United Security Bancshares and Subsidiary (United Security Bancshares) of our report dated March 9, 2022, with respect to the consolidated balance sheets of United Security Bancshares as of December 31, 2021 and 2020, and the related consolidated statements of income, comprehensive income, shareholders’ equity and cash flows for each of the years then ended, appearing in this annual report on Form 10-K of United Security Bancshares for the year ended December 31, 2021.